2018 Top 100

We rank the largest government contractors based on their fiscal 2017 prime contracts in IT, systems integration, professional services and telecommunications.

Read our analysis of the 2018 Top 100.

See our profile of the new No. 1 company, General Dynamics.

We look back at 25 years of Top 100s.

PRIVATELY HELD COMPANIES

2018	Company	Contracts	2017
6	Boeing Co.	$5,339,648,000	4
8	Perspecta, formerly DXC public sector, Vencore and Keypoint	$2,952,017,000	10
12	PAE	$2,092,124,000	15
19	Chemonics International	$1,613,328,000	28
23	Deloitte LLP	$1,421,248,000	20
28	The Aerospace Corp.	$948,145,000	29
31	General Atomics Technologies Corp.	$798,154,000	36
32	Dell Technologies	$782,502,000	34
33	Alion Science & Technology	$764,911,000	32
34	Peraton	$740,285,000	17
36	Sierra Nevada Corp.	$651,816,000	38
38	Carahsoft Technology Corp.	$644,388,000	40
39	Arctic Slope Regional Corp.	$590,650,000	37
42	Mythics Inc.	$531,488,000	45
43	S&K Aerospace	$521,489,000
45	DynCorp International	$503,579,000
46	SpaceX	$482,117,000	54
48	Iron Bow Technologies	$462,625,000	49
49	World Wide Technology	$439,952,000	41
50	Parsons Corp.	$416,752,000	50
51	PricewaterhouseCoopers (to be renamed after acquistion by Veritas)	$390,199,000	72
54	FCN Inc.	$373,781,000	67
55	RTI International	$355,313,000	44
59	Battelle Memorial Institute	$346,381,000	58
60	DLT Solutions	$346,240,000	55
61	Torch Technologies	$342,715,000	68
62	Actionet Inc.	$332,315,000	57
64	Development Alternatives Inc.	$330,556,000	59
65	Salient CRGT	$327,841,000	71
66	Abt Associates	$311,250,000	66
67	Westat Inc.	$296,848,000	61
68	Smartronix	$295,369,000	85
69	immixGroup	$295,064,000	73
70	Red River Computer Co.	$294,245,000	63
73	Four Points Technology	$287,251,000	83
74	KPMG	$284,551,000	77
75	NCI Inc.	$276,252,000	64
77	Sterling Computers Corp.	$259,817,000	91
80	Colsa Corp.	$251,365,000	92
83	Government Acquisitions	$235,132,000	100
84	Adams Communication & Engineering Technology	$232,809,000	88
85	Thundercat Technology	$227,624,000	89
88	By Light Professional IT Services Inc.	$223,779,000	84
89	Trax International Corp.	$220,959,000	82
90	Ukpeagvik Inupiat Corp.	$219,001,000
91	Blue Tech Inc.	$214,046,000
92	Scientific Research Corp.	$212,331,000	90
93	New Tech Solutions Inc.	$212,108,000
94	Four LLC	$208,380,000	81
95	Digital Management Inc.	$206,636,000	87
96	Alvarez & Associates	$199,134,000	78
97	Ernst & Young	$185,278,000
98	Noblis Inc.	$184,483,000	97
99	SRC Inc.	$183,116,000
100	Nana Regional Corp.	$177,645,000

Federal Procurement Data System, Washington Technology

Advanced Search

WT Daily

Email Address

Country

Terms and Privacy Policy consent

Yes, I agree No, I don't agree

Please select your company's main business focus.

Please select your primary job function.

I agree to this site's Privacy Policy.

Opinion

Go deep, not wide: How agency-based marketing can drive results

When trying to expand their market share, small business too often cast a wide net. But the smart strategy starts with focus. Here's how agency-based marketing can pay off. Read More
A secure supply chain is the best defense for federal data

Sensitive defense and national security data will never be secure until all of the companies in the supply chain -- second, third and fourth tier included -- meet the same stringent requirements of DOD itself. Read More
Are you ready for another government shutdown?

If a government shutdown occurs this week or any time in the future, there will be ramifications for government contractors, which means that contractors, like the agencies they contract with, should have their own shutdown contingency plan Read More