ALL OTHER SUPPORT SERVICES
NAICS 561990 includes $908,092,252 in federal contract obligations across 62 ingested award records.
NAICS Snapshot
Total obligations$908,092,252
Award records62
Entity code561990
Data updatedMay 7, 2026
Spending by Fiscal Year
| FY20263 awards | $213,759 |
| FY202513 awards | $6,899,967 |
| FY20244 awards | $148,627 |
| FY20239 awards | $3,286,608 |
| FY20225 awards | $1,119,863 |
| FY202128 awards | $896,423,429 |
Top Contractors
| ISOTEK SYSTEMS, LLC1 awards | $887,279,962 |
| COUNTY OF MONROE1 awards | $4,050,211 |
| CHENEGA GLOBAL PROTECTION, LLC1 awards | $3,560,928 |
| OSC EDGETECH, LLC1 awards | $2,885,970 |
| CHERMAT HOLDINGS LLC1 awards | $2,740,122 |
| SEBA PROFESSIONAL SERVICES LLC1 awards | $1,848,894 |
| DUNLAP GOVERNMENT SOLUTIONS, LLC3 awards | $1,210,136 |
| STERICYCLE INC2 awards | $772,006 |
| BATEMAN CIVIL SURVEY COMPANY, PC1 awards | $716,461 |
| SERJON, LLC1 awards | $507,520 |
Top Agencies
| Department of Energy1 awards | $887,279,962 |
| Department of Veterans Affairs21 awards | $5,902,309 |
| Executive Office of the President1 awards | $4,050,211 |
| National Aeronautics and Space Administration2 awards | $3,608,448 |
| Department of Homeland Security18 awards | $3,161,521 |
| Department of Health and Human Services4 awards | $1,916,675 |
| Department of Defense3 awards | $788,104 |
| Department of Transportation1 awards | $507,520 |
| Department of Justice3 awards | $352,261 |
| Department of Education2 awards | $261,049 |
Recent Awards
| Award | Recipient | Fiscal year | Obligations | Date |
|---|---|---|---|---|
| DEAC0504OR22860 | ISOTEK SYSTEMS, LLC | 2021 | $887,279,962 | Not available |
| 11316019C0001OND | COUNTY OF MONROE | 2021 | $4,050,211 | Not available |
| 80GSFC25FA046 | CHENEGA GLOBAL PROTECTION, LLC | 2025 | $3,560,928 | Not available |
| 70B01C25C00000056 | OSC EDGETECH, LLC | 2025 | $2,885,970 | Not available |
| 36C25023P0514 | CHERMAT HOLDINGS LLC | 2023 | $2,740,122 | Not available |
| HHSN269201600601P | SEBA PROFESSIONAL SERVICES LLC | 2021 | $1,848,894 | Not available |
| 36C25720F0137 | DUNLAP GOVERNMENT SOLUTIONS, LLC | 2021 | $851,994 | Not available |
| W9124M21C0002 | BATEMAN CIVIL SURVEY COMPANY, PC | 2021 | $716,461 | Not available |
| 36C24122P0109 | STERICYCLE INC | 2022 | $690,289 | Not available |
| 693JF719P000038 | SERJON, LLC | 2021 | $507,520 | Not available |
Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.