Department of Health and Human Services
 $62,853,680,968 Department of Transportation
 $56,443,571,981 Environmental Protection Agency
 $35,751,587,496 Department of Energy
 $24,661,368,000 National Aeronautics and Space Administration
 $14,024,018,821 Department of Homeland Security
 $13,986,266,741 Department of Labor
 $10,348,285,755 Department of Defense
 $10,111,366,675 Department of the Interior
 $9,806,569,960 Department of Agriculture
 $8,296,397,040 Agency for International Development
 $7,754,781,106 Department of Commerce
 $6,871,103,950 Department of Housing and Urban Development
 $6,642,477,476 Department of State
 $6,042,666,916 Department of Justice
 $5,571,395,802 Department of Education
 $2,642,831,221 Department of the Treasury
 $1,019,380,000 Other Agencies
 $724,036,487