We rank the largest government contractors in today's market.
CLICK HERE FOR THE 2010 TOP 100
We rank the largest government contractors according to their prime contracting revenue in government fiscal year 2008. Data is collected on government expenditures related to information technology products and services, systems integration, telecommunications, professional services and engineering services.
Click here for our coverage of the 2009 Top 100.
Click here for our methodology.
| 2009 | Company | Contracts | 2008 |
|---|---|---|---|
| 1 | LOCKHEED MARTIN CORP. | $14,983,515,367 | 1 |
| 2 | Boeing Co. | $10,838,231,984 | N/A |
| 3 | NORTHROP GRUMMAN CORP. | $9,947,316,207 | 3 |
| 4 | General Dynamics Corp. | $6,066,178,545 | 6 |
| 5 | Raytheon Co. | $5,942,575,316 | 4 |
| 6 | KBR Inc. | $5,467,721,429 | 7 |
| 7 | SCIENCE APPLICATIONS INTERNATIONAL CORP. | $4,811,194,880 | 5 |
| 8 | L-3 Communications Inc. | $4,236,653,555 | N/A |
| 9 | Computer Sciences Corp. | $3,435,767,906 | 9 |
| 10 | Booz Allen Hamilton Inc. | $2,779,421,015 | 11 |
| 11 | ITT Corp. | $2,582,618,798 | 14 |
| 12 | Hewlett-Packard Co./EDS | $2,570,144,924 | 39 |
| 13 | Harris Corp. | $2,206,815,088 | 13 |
| 14 | BAE SYSTEMS | $1,952,973,818 | N/A |
| 15 | Dell Computer Corp. | $1,880,000,000 | N/A |
| 16 | VERIZON COMMUNICATIONS INC. | $1,657,188,750 | 18 |
| 17 | United Technologies Corp. | $1,631,704,120 | 19 |
| 18 | IBM CORP. | $1,592,164,845 | 16 |
| 19 | Jacobs Engineering Group Inc. | $1,559,799,202 | 20 |
| 20 | CACI International Inc. | $1,445,147,188 | 17 |
| 21 | BATTELLE MEMORIAL INSTITUTE | $1,336,333,408 | 21 |
| 22 | URS Corp. | $1,010,928,761 | 34 |
| 23 | DRS Technologies | $1,001,027,097.00 | N/A |
| 24 | General Electric Co. | $971,213,692 | 37 |
| 25 | Accenture Ltd. | $867,409,332 | 23 |
| 26 | SRA International Inc. | $831,863,009 | 32 |
| 27 | Sprint Nextel Corp. | $826,566,079 | 25 |
| 28 | SERCO INC. | $812,485,235 | 56 |
| 29 | Aerospace Corp. | $809,365,983 | N/A |
| 30 | Honeywell Inc. | $802,440,433 | N/A |
| 31 | VSE Corp. | $796,376,741 | 46 |
| 32 | Unisys Corp. | $750,193,450 | 26 |
| 33 | BearingPoint Inc. | $726,139,196 | 28 |
| 34 | QinetiQ North America | $706,536,636 | 24 |
| 35 | Rockwell Collins Inc. | $637,976,449 | 30 |
| 36 | General Atomics | $593,742,395 | N/A |
| 36 | General Atomics | $593,742,395 | N/A |
| 37 | Alliant Techsystems Inc. | $581,514,667 | 53 |
| 38 | General Physics Corp. | $577,022,753 | N/A |
| 39 | Alion Science and Technology Corp. | $568,721,662 | 31 |
| 40 | Perot Systems Inc. | $543,910,602 | N/A |
| 41 | Combat Support Associates | $486,591,548 | N/A |
| 42 | AT&T Inc. | $486,075,088 | 38 |
| 43 | Wyle Laboratories Inc. | $457,159,721 | 33 |
| 44 | ARINC Inc. | $446,655,706 | 42 |
| 45 | Stanley Inc. | $431,975,166 | 48 |
| 46 | World Wide Technology | $429,578,066 | N/A |
| 47 | NANA Regional Corp. | $427,607,769 | N/A |
| 48 | ManTech International Corp. | $417,775,254 | 36 |
| 49 | GTSI Corp. | $402,935,728 | 45 |
| 50 | Apptis Inc. | $383,220,698 | 47 |
| 51 | Deloitte & Touche LLP | $381,800,000 | N/A |
| 52 | Vangent Inc. | $377,774,611 | 57 |
| 53 | Flir Systems Inc. | $369,895,974 | 70 |
| 54 | Thales North America Inc.** | $361,423,982 | 43 |
| 55 | Qwest Communications International Inc. | $356,989,834 | 51 |
| 56 | Tetra Tech Inc. | $353,063,358 | 62 |
| 57 | Midwest Research Institute | $332,293,328 | 52 |
| 58 | Arctic Slope Regional Corp. | $319,057,470 | N/A |
| 59 | DEVELOPMENT ALTERNATIVES, INC | $314,887,671 | N/A |
| 60 | CDW Government Inc.** | $308,177,996 | 54 |
| 61 | Chenega Corp. | $305,541,630 | 76 |
| 62 | SGT Inc. | $292,624,295 | 91 |
| 63 | Telos Corp. | $284,736,042 | 64 |
| 64 | Motorola Inc. | $283,198,299 | 61 |
| 65 | Eyak Technology LLC | $281,481,217 | 85 |
| 66 | RTI INTERNATIONAL | $276190646 | 87 |
| 67 | Textron Inc. | $275,390,845 | 72 |
| 68 | Sensor Technologies Inc. | $273,885,378 | 81 |
| 69 | Westat | $266,898,298 | N/A |
| 70 | CHEMONICS INTERNATIONAL, INC. | $256,859,399 | N/A |
| 71 | InDyne Inc. | $253,623,114 | 67 |
| 72 | NCI Information Systems Inc. | $235531780 | 78 |
| 73 | BALL CORP. | $219526280 | N/A |
| 74 | Chugach Alaska Corp. | $218,632,566 | 90 |
| 75 | Affiliated Computer Services Inc. | $217,356,743 | 68 |
| 76 | Artel Inc. | $207,732,858 | 88 |
| 77 | Teledyne Technologies Inc. | $203,678,315 | 64 |
| 78 | CGI Group Inc. | $203,595,695 | 73 |
| 79 | Softmart Inc | $202,344,754 | 49 |
| 80 | Oracle Corp. | $199,300,915 | 59 |
| 81 | Comtech Telecommunications Corp. | $198,685,128 | 60 |
| 82 | Mission Essential Personnel | $198,407,133 | N/A |
| 83 | Orbital Sciences Corp. | $194,688,887 | N/A |
| 84 | GOVERNMENT ACQUISITIONS INC | $191,833,145 | 75 |
| 85 | Shaw Group Inc. | $189,600,823 | N/A |
| 86 | TYBRIN Corp. | $187,746,618 | 74 |
| 87 | CH2M HILL Companies, Ltd. | $180,568,381 | N/A |
| 88 | SCIENTIFIC RESEARCH CORP. | $176,817,480 | 100 |
| 89 | Parsons Corp. | $173,646,619 | 95 |
| 90 | Siemens Corp. ** | $173,416,265 | 79 |
| 91 | Alutiiq LLC | $171,126,422 | N/A |
| 92 | BBNT Solutions LLC | $167,702,701 | N/A |
| 93 | immixGroup Inc. | $167,105,472 | 66 |
| 94 | STG Inc. | $161,392,798 | 96 |
| 95 | Cobham plc | $156,111,675 | N/A |
| 96 | CUBIC CORP. | $155,798,899 | 80 |
| 97 | Centech Group Inc. | $155,444,725 | N/A |
| 98 | VIASAT INC. | $155,400,042 | 77 |
| 99 | ICF International Inc. | $151,966,704 | 93 |
| 100 | Institute for Defense Analyses | $150,960,706 | N/A |
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