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2003 spending estimates by department, based on the White House Office of Management and Budget (OMB) summaries:
| | Billion $ | % |
| Small Business Adminstration | 1.6 | 0.07 |
| US Agency for International Development | 3.6 | 0.16 |
| Army Corps of Engineers -- Civil Works | 4.1 | 0.18 |
| National Science Foundation | 4.9 | 0.22 |
| Dept. of Commerce | 5.8 | 0.26 |
| Environmental Protection Agency | 8.0 | 0.36 |
| Dept. of the Interior | 10.4 | 0.46 |
| Dept. of State | 11.0 | 0.49 |
| Dept. of the Treasury | 11.1 | 0.49 |
| NASA | 14.6 | 0.65 |
| Other Agencies | 15.1 | 0.67 |
| Dept. of Energy | 19.8 | 0.88 |
| Dept. of Justice | 22.2 | 0.99 |
| Dept. of Homeland Security | 28.2 | 1.26 |
| Dept. of Housing and Urban Dev. | 38.0 | 1.70 |
| Dept. of Transportation | 52.3 | 2.34 |
| Dept. of Veterans Affairs | 56.9 | 2.54 |
| Dept. of Education | 59.5 | 2.66 |
| Dept. of Labor | 70.7 | 3.16 |
| Dept. of Agriculture | 72.8 | 3.25 |
| Debt Financing and Tax Credits | 357.7 | 15.98 |
| Dept. of Defence | 358.2 | 16.00 |
| Dept. of Health and Human Services | 502.0 | 22.43 |
| Social Security Administration | 509.9 | 22.78 |
| Total | 2,238.4 | 99.45 |
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