100 biggest U.S. government contractors and what they do
100 biggest U.S. government contractors and what they do
America —a good chunk of which was paid to private organizations who supply government work on a contract basis. Some are exactly what you might think: high-tech, multi-billion-dollar conglomerates designing futuristic weapons through clandestine deals. A lot of it, though, is pretty mundane. Many of these products and services are farmed out to private corporations that can do it better and cheaper than the government could do itself.
Using data from the U.S. General Services Administration's , Â鶹Դ´ developed a list of the top 100 government contractors, ranked in ascending order in terms of total dollars obligated, with the number of total contracts listed, as well. There are sprawling multinational corporations, educational institutions, states, small businesses, and nonprofits established for the sole purpose of managing government facilities. All of them, however, hold hundreds of millions of dollars in taxpayer obligations, with some boasting totals that run up to tens of billions of dollars. Read on to find out who's getting the biggest contracts.
#100. S&K Aerospace LLC
Total dollars obligated: $521,649,869
Total number of contract actions: 37
Headquartered in northwest Montana, is a small business that specializes in end-to-end materials management for the U.S. government and its allies. The U.S. Air Force recently Saudi Arabia F-15 aircraft support contract.
#99. Corrections Corporation of America
Total dollars obligated: $527,362,962
Total number of contract actions: 235
Recently rebranded as has provided private prison services to the government since 1983. The company works with local, state, and federal agencies.
#98. The Geo Group, Inc.
Total dollars obligated: $527,834,352
Total number of contract actions: 411
The provides rehabilitation programs to more than 30,000 inmates in custody and upon release for 136 facilities worldwide. Programs include vocational and educational programs, faith-based services, offender rehabilitation, post-release support, and substance abuse treatment.
#97. Coins 'n Things Inc.
Total dollars obligated: $529,070,983
Total number of contract actions: 118
What started as a small, family-owned business, is now the largest private company in the precious metal industry. The company, in its third generation of ownership by the same family, provides several services including minting, depository, security, lending, and fine art.
#96. Brookhaven Science Associates LLC
Total dollars obligated: $538,366,095
Total number of contract actions: 39
Funded mostly by the U.S. Department of Energy's Office of Science, . BNL employs 3,000 scientists and more than 4,000 visiting researchers to study photon sciences, climate, environment, biosciences, and energy security.
#95. Hensel Phelps Construction Co
Total dollars obligated: $559,833,888
Total number of contract actions: 409
Ever wonder who builds those taxpayer-funded landmarks that governments erect in honor of people or events? Construction companies like win contracts to plan, build, and manage public landmarks.
#94. Anham Fzco
Total dollars obligated: $579,260,156
Total number of contract actions: 24,256
is a contractor that provides services for the government's air, land, and sea projects, including warehousing, supply chain solutions, logistics, project management, fleet and asset management and maintenance.
#93. Patriot Defense
Total dollars obligated: $596,647,756
Total number of contract actions: 1,130
The Patriot Defense slogan is "Serving those who defend America," and their services match their mission. The company provides intelligence and advanced special operations training, specialized expeditionary support, and staffing support and high-level ops for special missions. Their employees come from organizations like Cyber Command and the CIA.
#92. Austal Limited
Total dollars obligated: $603,021,304
Total number of contract actions: 238
is an Australian shipbuilder that has designed 300-plus vessels for more organizations in more than 50 countries. The company, which makes specialized boats like high-speed war catamarans, landed several multi-million-dollar Navy contracts last October alone.
#91. Stanford University
Total dollars obligated: $603,097,360
Total number of contract actions: 278
The first university on the list is Stanford, which competes for numerous government contracts, mostly in the field of research. the higher learning institution battles with for contracts are NASA, the Food and Drug Administration, and the National Institutes of Health.
#90. Advanced Technology International
Total dollars obligated: $604,284,085
Total number of contract actions: 153
When the government goes to work on large technological development projects, it enlists large numbers of of tech companies, many of which are competitors in the same industry. organizes and manages these groups, and provides collaboration models to help them work efficiently toward a common goal.
#89. FedEx Corporation
Total dollars obligated: $612,575,284
Total number of contract actions: 5,492,177
The company formerly known as Federal Express needs no introduction, but does much more than just deliver packages. The global courier and delivery services company is engaged in big business with the U.S. government. In 2017, the Memphis-based company with the Department of Defense.
#88. Serco Group PLC
Total dollars obligated: $625,921,131
Total number of contract actions: 979
A massive organization with 50,000 employees, Serco Group PLC is a British company that operates across the globe. Its many public sector services span six areas: health, citizens services, transport, justice, and immigration.
#87. Express Scripts Holding Company
Total dollars obligated: $642,000,467
Total number of contract actions: 134
manages health care services like specialty pharmacy care. and pharmacy and medical benefits management. The company maintains several subsidiaries and affiliates, including Freedom Fertility and Speciality Benefit Services.
#86. Carahsoft Technology Corporation
Total dollars obligated: $645,768,432
Total number of contract actions: 3,914
provides IT and cybersecurity services to government entities of all stripes. The company serves as the central aggregator for a huge list of manufacturers, resellers, and system integrators that serve the government, including Adobe, Hootsuite, and Genesys.
#85. Verizon Communications Inc.
Total dollars obligated: $689,307,575
Total number of contract actions: 28,610
earns state and national government contracts for wireless service, IP services, communications, cable, and even vehicles. As a result, the company everything from schools to research facilities to personnel.
#84. Insight Enterprises Inc.
Total dollars obligated: $691,523,441
Total number of contract actions: 2,301
provides government agencies with a variety of tech services and products. Among the company's offerings are connected workforce solutions, supply chain optimization, digital innovation, and cloud and data transformation.
#83. Sanofi
Total dollars obligated: $705,230,973
Total number of contract actions: 252
Headquartered in Paris, is one of the largest multinational biopharmaceutical companies in the world. Sanofi provides the government with products like vaccines, and services like research and development (R&D).
#82. Cardinal Health Inc.
Total dollars obligated: $734,066,388
Total number of contract actions: 324,058
is one of the biggest drug companies in the world—and one of the biggest companies of any industry, for that matter. Cardinal maintains large government laboratories and recently won a to supply military branches with surgical and medical supplies.
#81. Royal Dutch Shell PLC
Total dollars obligated: $735,539,530
Total number of contract actions: 1,065
British-Dutch energy giant delivers oil, gas, and technology to entities public and private of all sizes, and across all industries around the world. It works with governments not just in providing fuel for facilities, vehicles, and aircraft, but in energy transition, aviation, and exploration.
#80. Mantech International Corporation
Total dollars obligated: $754,947,683
Total number of contract actions: 1,740
deals with technology solutions in areas like systems engineering, enterprise IT and C5ISR. Specifically, the company fills a across numerous federal agencies for products and services like IT management, big data analytics, research and development, telecommunications support, and IT professional services.
#79. The Parsons Corporation
Total dollars obligated: $765,735,314
Total number of contract actions: 811
is a leader in developing digital security solutions. The U.S. is just one of 25 countries that hire Parsons to provide IT services like strategic assessment and multi-domain threat assessment.
#78. Rolls-Royce Corporation
Total dollars obligated: $776,317,862
Total number of contract actions: 849
The is best known for its namesake luxury automobiles, but the company has a long and storied history as a . Rolls produced some of the most famous engines in aviation history, including the one that powered the Supermarine Spitfire plane used during World War II, and the jet engines that propel the Airbus.
#77. Alion Science And Technology Corporation
Total dollars obligated: $783,060,389
Total number of contract actions: 1,135
is an 80-year-old company that is among the most dominant corporations in the government and aerospace artificial intelligence sector. It has long served as a contractor for the military and other government elements, and its technologies support weapons platforms and training solutions.
#76. Nana Regional Corporation, Inc.
Total dollars obligated: $785,912,952
Total number of contract actions: 2,667
Formed in 1971 as part of the Alaska Native Corporations Claims Settlement Act, is a 100 percent Iñupiat-owned corporation. As a government contractor, it supports mining, drilling, oilfield, and logistics services.
#75. Engility Holdings, Inc.
Total dollars obligated: $790,590,302
Total number of contract actions: 4,078
provides both logistics and engineering services to a variety of civilian and military agencies. Its core competencies are high-performance computing, cyber, systems engineering and integration, readiness and training, mission ops support, and enterprise modernization.
#74. AT&T Inc.
Total dollars obligated: $802,692,972
Total number of contract actions: 15,846
does more than just beam data to your phone so you can watch Netflix at the airport. The telecom giant also provides public sector services through contracts with state, local, and federal agencies to bolster elements like education and public safety—it was AT&T, after all, that spearheaded the
#73. Denali Holding Inc.
Total dollars obligated: $845,670,522
Total number of contract actions: 5,430
You know as the parent company of Dell, but it's also an important government contractor. The IT company provides solutions in sectors like health care, transportation and logistics, and software and technology.
#72. CDW Corporation
Total dollars obligated: $847,527,194
Total number of contract actions: 4,306
Tech products and solutions company is awarded contracts for work with the federal government, state governments, and educational entities. It provides the , for example, with tablets, computers, and networking devices.
#71. Macandrews & Forbes Holdings Inc.
Total dollars obligated: $865,397,476
Total number of contract actions: 1,651
is a holdings company with an impressive portfolio of companies that cover industries as diverse as cosmetics, biotechnology, and digital entertainment. One of its companies, AM General, recently won a to build 1,673 tactical military vehicles.
#70. Arctic Slope Regional Corporation
Total dollars obligated: $920,308,229
Total number of contract actions: 2,659
With 12,000 global employees, the Arctic Slope Regional Corporation is the largest Alaskan-owned organization in the world. Most of its 10 companies—and the government contracts they earn—deal with Alaska's rich oil, gas, and mineral reserves.
#69. Glaxosmithkline PLC
Total dollars obligated: $920,721,009
Total number of contract actions: 271
British pharmaceutical giant makes like Flonase and Levitra, but it's also a major government contractor. Much of its work involves the development, testing, and distribution of vaccines.
#68. Enterprise Services LLC
Total dollars obligated: $920,813,999
Total number of contract actions: 5,743
Enterprise Services LLC is a subsidiary of a larger company, and it holds several important and lucrative government contracts. Organizations like the Department of Homeland Security, the Army, and the Centers for Disease Control and Prevention rely on the company for data, and cloud and digital security solutions.
#67. Rockwell Collins Inc.
Total dollars obligated: $931,738,093
Total number of contract actions: 2,841
is a commercial and business aviation company that also deals in critical infrastructure and railways. In addition, Rockwell has a massive defense and government division that earns contracts for work in fields like avionics, electronic systems, navigation, lighting, targeting, simulation, and training.
#66. Leonardo S.p.A.
Total dollars obligated: $942,761,742
Total number of contract actions: 2,594
is a global leader in high-tech aerospace, defense, and security. It earns contracts to develop and build aircraft, defense systems, land and naval defense electronics, aerostructures, and space systems.
#65. The Aerospace Corporation
Total dollars obligated: $948,886,734
Total number of contract actions: 511
As its name implies, the works in the highly technical field of space technology and engineering. The independent, nonprofit corporation is the only federally funded space enterprise research and development center.
#64. Savannah River Nuclear Solutions LLC
Total dollars obligated: $974,067,418
Total number of contract actions: 80
Savannah River Nuclear Solutions is a of Honeywell, Fluor and Newport News Nuclear. The government contracts the company for work in areas like nuclear safety, cleanup, waste management, and nonproliferation.
#63. BP Products North America Inc.
Total dollars obligated: $1,006,470,934
Total number of contract actions: 613
The very first company on the list that boasts 10-figure contact obligations is , one of the most prominent energy companies and government contractors in the world. In 2014, the U.S. lifted a , which had been in place since the 2010 Deepwater Horizon catastrophe in the Gulf of Mexico.
#62. Vectrus Systems Corporation
Total dollars obligated: $1,009,851,722
Total number of contract actions: 301
provides commercial and military services and products in the fields of IT and network communications, and facility and logistics services. Its contracts support facilities like Keesler Air Force Base and maintenance bases in Turkey and Spain.
#61. CH2M Hill Companies Ltd.
Total dollars obligated: $1,011,340,887
Total number of contract actions: 1,496
wins contracts for a variety of . The company deals in elements like federal facilities operations, infrastructure and transportation, water resources, and ecosystem management. The company counts Metrolinx, the Department of Defense, and the city of Centennial, Colorado among its clients.
#60. Johns Hopkins University
Total dollars obligated: $1,030,810,446
Total number of contract actions: 2,480
Johns Hopkins University is one of many universities the government contracts for its laboratories and research programs. In 2018, the university landed a , and a through the school's Applied Physics Lab.
#59. Massachusetts Institute Of Technology
Total dollars obligated: $1,072,763,831
Total number of contract actions: 632
Another university with 10-figure contract obligations is , which has a storied history of partnerships with the government. since 1951—a Department of Defense Federally Funded Research and Development Center (FFRDC).
#58. PAE Holding Corporation
Total dollars obligated: $1,074,670,742
Total number of contract actions: 699
has more than six decades of experience in aviation services. Today, the company specializes in unmanned aerial systems, infrastructure management, force sustainment, counter-threat solutions, and information optimization.
#57. Hewlett Packard Enterprise Company
Total dollars obligated: $1,093,648,641
Total number of contract actions: 11,035
specializes in digital services and products like high-performance computing, IT infrastructure, artificial intelligence, and cloud data protection. In 2018, the company won a .
#56. Space Exploration Technologies Corp.
Total dollars obligated: $1,122,720,049
Total number of contract actions: 72
Elon Musk's SpaceX corporation designs, builds, and tests rocket technology. In 2012, it launched the first-ever commercial spacecraft contracted to deliver supplies to and from the International Space Station. It boasts among its fleet the Falcon Heavy, the "world's most powerful operational rocket by a factor of two."
#55. Pfizer Inc.
Total dollars obligated: $1,132,735,557
Total number of contract actions: 503
One of the largest, most profitable, and best-connected drug companies in the world, is also a major recipient of government contracts. The company recently with the Department of Health and Human Services.
#54. International Business Machines Corporation
Total dollars obligated: $1,156,000,523
Total number of contract actions: 1,701
In the world of computers, few names have a longer and more influential history than , which has been a partner of the U.S. government for generations. Today, IBM boasts with the U.S. Navy, NASA, the Internal Revenue Service, the Army, and the Department of Defense, among others.
#53. Jacobs Engineering Group Inc.
Total dollars obligated: $1,189,030,496
Total number of contract actions: 1,982
With more than 77,000 employees across 400-plus locations, is a major government engineering contractor. The company also wins bids for work in construction, technical services, and design.
#52. Caddell Construction Co. Inc.
Total dollars obligated: $1,201,522,600
Total number of contract actions: 108
With more than $1.2 billion in government contracts, Caddell Construction Co. Inc. has a portfolio of more than $11 billion in projects, both public and private. Its reach spreads into vast and varied industries, like aviation, residential, healthcare, and military.
#51. Sierra Nevada Corporation
Total dollars obligated: $1,223,268,002
Total number of contract actions: 875
The specializes in space, aviation, national security, and defense. The include space systems, aircraft design, navigation and guidance, electronic warfare, and unmanned systems.
#50. State Of California
Total dollars obligated: $1,284,885,865
Total number of contract actions: 1,937
If were a country, it would be the world's fifth-largest economy, ahead of the United Kingdom. With nearly 40 million residents, it's the most populous state in America, and its $2.7 trillion economy represents 14 percent of the American economy. The state holds a long list of .
#49. Deloitte LLP
Total dollars obligated: $1,452,897,014
Total number of contract actions: 2,168
is one of the largest accounting and professional services firms in the world. Its contracts deal with tax and audit services, accounting, risk assessment, and analytics.
#48. Textron Inc.
Total dollars obligated: $1,462,871,413
Total number of contract actions: 5,619
is a sprawling, $14.2 billion conglomerate with divisions that include defense, aerospace, advanced technologies, security, and aerospace. Its subsidiaries include iconic names like Bell Helicopter and Cessna Aircraft.
#47. UT-Battelle LLC
Total dollars obligated: $1,481,586,621
Total number of contract actions: 63
is a Tennessee-based nonprofit company established to operate and manage the Oak Ridge National Laboratory for the U.S. Department of Energy. The research and development organization that works within the company is a 50-50 limited liability partnership between the University of Tennessee and Battelle Memorial Institute.
#46. The Mitre Corporation
Total dollars obligated: $1,501,409,356
Total number of contract actions: 1,207
The first company to break the $1.5 billion mark is the . It's a nonprofit company that exists solely to manage government facilities. It specializes in cybersecurity, systems engineering, acquisition effectiveness, and advanced technologies.
#45. KBR Inc.
Total dollars obligated: $1,515,563,622
Total number of contract actions: 2,041
Formerly a subsidiary of Halliburton, provides construction, procurement, and engineering services. Its divisions include government services, technology, and hydrocarbons services.
#44. Oshkosh Corporation
Total dollars obligated: $1,525,700,398
Total number of contract actions: 12,121
is certainly one of the cooler government contractors, provided you're into hulking specialty vehicles that perform the toughest jobs on Earth. Oshkosh makes "severe duty" trucks and transport rigs that serve the military, fire departments, and airports.
#43. Chemonics International Inc.
Total dollars obligated: $1,637,570,464
Total number of contract actions: 252
manages government projects in developing nations. The company performs in 70 countries through a network of more than 5,000 local specialists.
#42. Atlantic Diving Supply Inc.
Total dollars obligated: $1,638,257,510
Total number of contract actions: 27,330
serves organizations like the Department of Defense at the federal level, as well as state and local agencies. It also provides services, including procurement support, logistical support, and operational equipment services to defense contractors, political allies, humanitarian organizations, and protective services organizations.
#41. Cerberus Capital Management, L.P.
Total dollars obligated: $1,664,128,298
Total number of contract actions: 1,097
Alternative investing company manages $35 billion worth of assets. The private equity firm specializes in developing investment platforms, corporate credit, direct lending, non-performing loans, and commercial mortgage-backed securities.
#40. Fluor Corporation
Total dollars obligated: $1,672,024,258
Total number of contract actions: 676
is a massive multinational firm that specializes in engineering, procurement, fabrication, and construction. The company's projects include work in mining, life sciences, energy, infrastructure, and chemicals, as well as government work like Army logistics and support at Navy bases.
#39. B.L. Harbert Holdings LLC
Total dollars obligated: $1,679,328,841
Total number of contract actions: 115
Specializing in construction, design-build, and general contracting, maintains both a national and international division. It earns $1.25 billion in annual revenues and boasts more than $4.1 billion in green construction projects.
#38. Accenture Inc.
Total dollars obligated: $1,693,430,327
Total number of contract actions: 1,438
Although Accenture Inc. is a management consulting and professional services firm, the company boasts expertise across 40 industries. Its many divisions deal in consulting, strategy, operations, and technology. The company holds more than 6,000 patents or patents pending.
#37. Lawrence Livermore National Security LLC
Total dollars obligated: $1,739,891,254
Total number of contract actions: 40
Made up of several cooperating organizations, exists to carry out the National Nuclear Security Administration's mission at the Lawrence Livermore National Laboratory. Among the groups within the company are names like Bechtel National, the University of California, and Battelle Memorial Institute.
#36. Merck & Co. Inc.
Total dollars obligated: $1,767,691,002
Total number of contract actions: 123
One of the largest pharmaceutical companies on the planet, develops and distributes prescriptions, vaccines, oncology products, and animal health products. The company also maintains a massive research division and deals in business development and licensing. Merck recently won a with the Veterans Administration (VA).
#35. Health Net Inc.
Total dollars obligated: $2,108,806,021
Total number of contract actions: 210,290
is a major provider of health insurance, including contracts with the Department of Veterans Affairs, Medicare, and Medicaid. The company recently suffered a major setback when the Department of Defense and awarded it to rival Aetna.
#34. Amerisourcebergen Corporation
Total dollars obligated: $2,219,900,504
Total number of contract actions: 326,893
Pharmaceutical wholesaler works directly with pharmacies, manufacturers, health systems, and physicians. The company to resolve a case involving the illegal repackaging of cancer drugs in one of its government contracts.
#33. United Launch Alliance LLC
Total dollars obligated: $2,249,243,854
Total number of contract actions: 109
The rockets built by aerospace titan have achieved more than 120 consecutive successful launches since 2006. In March, the company was named among the recipients of a issued by the U.S. Air Force worth more than half a billion dollars.
#32. Battelle Memorial Institute Inc.
Total dollars obligated: $2,336,705,618
Total number of contract actions: 1,691
In the world of government contracts, few names ring louder than The company has divisions that include research and development, laboratory management, and product design and manufacturing. Battelle’s government offerings include maritime systems and technologies, tactical systems and vehicles, security and law enforcement, aerospace systems, and public health.
#31. Consolidated Nuclear Security LLC
Total dollars obligated: $2,342,049,683
Total number of contract actions: 39
is comprised of several member companies, including Bechtel National, Inc. The company operates two major facilities in support of the National Nuclear Security Administration—Y-12 National Security Complex and Pantex Plant.
#30. California Institute Of Technology
Total dollars obligated: $2,360,958,743
Total number of contract actions: 2,045
Caltech is one of the most lauded doctorate-granting research universities in the world, and the capabilities of its facilities and staff are not lost on top government agencies. In 2018, for example, NASA awarded the school a to run the agency's vaunted Jet Propulsion Lab.
#29. Honeywell International Inc.
Total dollars obligated: $2,381,434,221
Total number of contract actions: 9,176
is a major player in the aerospace systems and engineering services sector, but the multinational conglomerate also makes a variety of commercial and consumer products. In 2018, the company with the Pentagon for support of auxiliary power units for several models of aircraft.
#28. CACI International Inc.
Total dollars obligated: $2,437,108,363
Total number of contract actions: 3,927
is a multinational IT and professional services company that provides government services in the realms of intelligence, defense, national security, and government transformation. Its specialties include command and control, business systems, cybersecurity, communications, and surveillance and reconnaissance.
#27. Triwest Healthcare Alliance Corp.
Total dollars obligated: $2,444,105,842
Total number of contract actions: 2,761,836
Health benefits management corporation holds more than two million government contract actions. One of its biggest clients is the Department of Veterans Affairs.
#26. United Technologies Corporation
Total dollars obligated: $2,457,516,714
Total number of contract actions: 13,793
is a multinational conglomerate that includes nearly $4 billion in research and development investment. Most of its sales are in the fields of military and commercial aerospace, industrial, aftermarket, and original equipment manufacturing.
#25. Los Alamos National Security LLC
Total dollars obligated: $2,469,699,844
Total number of contract actions: 65
Los Alamos National Security LLC is a private company formed by several organizations, including the University of California and Bechtel. It is charged with operating the for the U.S. Department of Energy and the National Nuclear Security Administration.
#24. General Electric Company
Total dollars obligated: $2,472,643,385
Total number of contract actions: 7,114
Few companies in the history of American business are as established and celebrated as , which is also a major government contractor. In 2017, GE landed a to make aircraft engines. Less than a year later, GE won a to repair and replace engine parts.
#23. Bell Boeing Joint Project Office
Total dollars obligated: $2,509,740,101
Total number of contract actions: 4,830
The is an aerospace and defense company that specializes in manufacturing and assembling complete aircraft. In 2018, to provide 58 V-22 Osprey tiltrotors to the U.S. Navy, Marines, and Air Force, as well as the government of Japan.
#22. National Technology & Engineering Solutions of Sandia LLC
Total dollars obligated: $2,526,838,606
Total number of contract actions: 18
National Technology & Engineering Solutions of Sandia LLC operates . A subsidiary of Honeywell, the company is contracted by the U.S. Department of Energy’s National Nuclear Security Administration.
#21. Alliant Techsystems Inc.
Total dollars obligated: $2,549,350,438
Total number of contract actions: 1,749
has won several multimillion-dollar contracts in recent years. A subsidiary of Orbital ATK Inc, the research and development company provides products and services related to defense and security.
#20. Centene Corporation
Total dollars obligated: $2,604,090,977
Total number of contract actions: 2,327,806
is a healthcare group that operates several government-sponsored health care programs. Among its contracts are Medicare, Medicaid, correctional healthcare, military and veterans healthcare, and the health insurance marketplace.
#19. General Atomic Technologies Corporation
Total dollars obligated: $2,662,844,767
Total number of contract actions: 863
is a division of General Dynamics. The company, which now boasts several of its own subsidiaries, deals in high-technology products like electromagnetic systems, nuclear fuel cycles, airborne sensors, and remotely operated surveillance aircraft.
#18. CSRA Inc.
Total dollars obligated: $2,944,849,009
Total number of contract actions: 4,135
CSRA was recently for $9.7 billion. The company, now a division of , provides IT services to the government in areas like national security, healthcare, and civil government.
#17. Unitedhealth Group Incorporated
Total dollars obligated: $3,049,750,791
Total number of contract actions: 451
is one of the world's largest for-profit managed healthcare companies. Aside from its many government-paid contracts, the company provides government employees with healthcare coverage.
#16. Harris Corporation
Total dollars obligated: $3,194,398,986
Total number of contract actions: 5,833
IT service provider and defense contractor fulfills several contracts for the government. Among the products and services it provides are aviation computer processors, tactical radios, and electronic warfare systems.
#15. Science Applications International Corporation
Total dollars obligated: $3,456,304,296
Total number of contract actions: 148,117
supplies federal civilian agencies and the intelligence community, as well as the Army, Navy, Air Force, and Marines. The company provides mission support in the form of engineering, training, and simulation, while also providing information technology, platforms like ground vehicles and weapons systems, and logistics services.
#14. Humana Inc.
Total dollars obligated: $3,715,224,841
Total number of contract actions: 344
Health insurance giant has millions of customers and billions of dollars in revenue, but it's also one of the world's 15 largest government contractors. In 2016, the company contract that more than doubled the number of military members the company serves.
#13. Booz Allen Hamilton Holding Corporation
Total dollars obligated: $4,090,256,214
Total number of contract actions: 6,738
IT consulting and management firm deals with federal cyber strategies, among other things. The company's many government contracts focus on IT and telecommunication consulting, broad-based engineering, management, and organizational services.
#12. Aecom
Total dollars obligated: $4,107,901,916
Total number of contract actions: 4,715
operates in more than 150 countries. With nearly 90,000 employees, the company finances, designs, builds, and operates infrastructure and related assets.
#11. Leidos Holdings Inc.
Total dollars obligated: $4,788,173,031
Total number of contract actions: 19,323
Scientific research company operates in 10 key markets, including intelligence, healthcare, homeland, energy, and space. Its contracts deal with products and services like systems engineering and integration, and data science and engineering.
#10. L3 Technologies Inc.
Total dollars obligated: $5,150,574,646
Total number of contract actions: 8,183
Rounding out the top 10 is , which is also the first company with more than $5 billion in obligated dollars. The company delivers equipment and devices like surveillance and reconnaissance equipment, training devices, and aerospace instrumentation and navigation equipment.
#9. Bae Systems PLC
Total dollars obligated: $5,288,478,018
Total number of contract actions: 10,606
Aerospace, defense, and security firm is a British multinational that holds more than 10,000 contract actions. The company produces, designs, and supports both combat and trainer aircraft, as well as land combat vehicles, future technologies, cybersecurity and intelligence, and electronics.
#8. Bechtel Group Inc.
Total dollars obligated: $5,530,270,696
Total number of contract actions: 155
Procurement, engineering, and construction firm is a giant in the world of government contracts. One of the 10 largest privately owned companies in the United States, Bechtel including defense, environmental cleanup, water, mining, and infrastructure.
#7. Huntington Ingalls Industries Inc.
Total dollars obligated: $7,244,968,532
Total number of contract actions: 2,865
was formed as a spinoff of defense giant Northrop Grumman. Billed as "America's largest military shipbuilding company," the firm has built more ships in more classes than any other naval shipbuilder.
#6. McKesson Corporation
Total dollars obligated: $8,796,039,986
Total number of contract actions: 101,260
By its own estimates, " is the oldest and largest healthcare company in the nation." The company serves half of all American hospitals, and one in five doctors, while delivering one-third of all of North America's daily medications.
#5. Northrop Grumman Corporation
Total dollars obligated: $11,194,840,443
Total number of contract actions: 11,333
One of just five companies that boast 11-digit contractually obligated dollars, is a giant in the world of defense contractors. The company deals in areas like autonomous systems and airpower projection, which the company refers to as . You might also know Northrop Grumman as the company that built the B-2 Stealth Bomber.
#4. Raytheon Company
Total dollars obligated: $14,658,099,967
Total number of contract actions: 13,326
One of the world's biggest defense contractors, include military electronics and weapons. Its core concentrations include command and control, missile defense, precision weapons, and mission support.
#3. General Dynamics Corporation
Total dollars obligated: $15,337,197,171
Total number of contract actions: 23,819
Only two contractors get more government work than . The company does major work in the fields of marine systems, combat systems, aerospace, and information systems and technology.
#2. The Boeing Company
Total dollars obligated: $23,362,035,401
Total number of contract actions: 16,215
It's hard to imagine that anyone interested in aviation or the world of government contracts doesn't know the name . The aircraft manufacturing company just might be the biggest and best at its core concentrations, which include defense, space, and commercial aviation. Its creations include iconic machines like the B-52 Bomber, the AH-64 Apache, and Air Force One.
#1. Lockheed Martin Corporation
Total dollars obligated: $50,696,022,243
Total number of contract actions: 151,203
When it comes to government contracts, there's and there's everyone else. With more than $50 billion in obligations, it more than doubles the contract values of its next closest competitor. The massive security, defense, aerospace, and advanced technologies company has divisions as varied as energy, missile defense, autonomy and artificial intelligence, weapons systems, and space.
