2015 Top 100

We rank the largest government contractors by their prime contract dollars in IT, systems integrations, telecommunications, engineering and professional services.

For our analysis of the 2015 Top 100, click here.

See our slideshow on the Top 100.

Register for the Top 100 webcast.

MARKET VALUATION (AS OF DEC. 31, 2014)
2015 Company Valuation ($MM)
70 Microsoft $382,881
81 General Electric $253,766
11 Verizon Communications $194,124
14 AT&T INC. $174,231
20 IBM Corp. $158,781
27 United Technologies Corp. $104,841
3 Boeing Co. $92,667
42 Honeywell International $78,218
6 Hewlett-Packard Co. $73,602
1 Lockheed Martin $60,491
17 Accenture $56,098
5 General Dynamics $45,606
4 Raytheon $33,356
2 Northrop Grumman $29,773
19 BAE Systems $23,194
37 CenturyLink Inc. $22,589
29 CGI Group $11,923
41 Rockwell Collins $11,231
15 L-3 Communications $10,745
24 Fluor $9,472
97 Ball Corp. $9,334
10 Computer Sciences Corp. $8,858
9 Harris Corp. $7,512
22 Jacobs Engineering Group $5,835
53 DRS Technologies $5,413
18 AECOM Technology Corp. $4,672
7 Booz Allen Hamilton $3,921
57 Maximus $3,612
16 Leidos Inc. $3,223
87 ViaSat $2,953
8 Science Applications International Corp. $2,263
12 CACI International $2,051
58 Tetra Tech Inc. $1,672
39 Unisys Corp. $1,472
77 Cubic Corp. $1,414
32 Serco North America $1,349
28 ManTech International $1,127
54 ICF International $795
13 Engility Corp. $753
45 Vectrus Inc. $287
65 NCI Inc. $132
FPDS-NG, USASpending, Houlihan Lokey and Washington Technology.

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