Top 25 GSA Contractors
Total Purchases: $12,263,236,765
| Rank | Parent Company | Amount | Market Share |
| 1 | General Motors Corp. | $573,062,295 | 4.67% |
| 2 | SAIC | 325,779,969 | 2.65 |
| 3 | Northrop Grumman Corp. | 289,515,535 | 2.36 |
| 4 | Lockheed Martin Corp. | 256,052,997 | 2.08 |
| 5 | Ford Motor Co. | 247,003,492 | 2.01 |
| 6 | Grunley Construction Co. | 237,233,278 | 1.93 |
| 7 | SRA International Inc. | 228,364,831 | 1.86 |
| 8 | General Dynamics Corp. | 210,761,711 | 1.71 |
| 9 | Computer Sciences Corp. | 191,261,337 | 1.55 |
| 10 | National Industries for the Blind | 174,214,677 | 1.42 |
| 11 | Carlyle Group | 146,934,892 | 1.19 |
| 12 | Hewlett-Packard Co. | 138,477,752 | 1.12 |
| 13 | Chrysler LLC | 134,276,162 | 1.09 |
| 14 | NANA Regional Corp. Inc. | 105,373,023 | 0.85 |
| 15 | Turner Construction Co. | 103,536,169 | 0.84 |
| 16 | CACI International Inc. | 97,490,015 | 0.79 |
| 17 | Qinetiq Ltd. | 96,613,936 | 0.78 |
| 18 | Unisys Corp. | 86,186,429 | 0.70 |
| 19 | Caddell Construction Co. | 82,579,388 | 0.67 |
| 20 | Jacobs Engineering Group Inc. | 73,943,750 | 0.60 |
| 21 | LCOR | 72,214,165 | 0.58 |
| 22 | J.E. Dunn Northwest Inc. | 67,624,255 | 0.55 |
| 23 | L-3 Communications Holdings | 66,439,407 | 0.54 |
| 24 | Navistar International Corp. | 53,413,107 | 0.43 |
| 25 | J&J Contractors Inc. | 50,521,367 | 0.41 |
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