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ADDON SERVICES LLC
ALEXANDRIA, VA, 22314
UnclaimedClaim this profile (free)
EDWOSBWOSBMinority OwnedSmall Disadvantaged
Prime contracting experience
12 records from government sources. Past participation is not evidence of current teaming interest.
| Role | Agency | Description | Vehicle | Obligated | Action date | Period |
|---|---|---|---|---|---|---|
| Prime | Department of Health and Human Services National Institutes of Health | NIH_C200097 - BUILDING 101, F MODULE, REPLACE AHU-SZ-F-AD-10 AND AHU-SZ-F-AD-11 [24-004312] | 75N99023D00013USAspending | $1,465,384 | Sep 28, 2026 | Aug 22, 2024 – Nov 25, 2026 |
| Prime | Department of Health and Human Services National Institutes of Health | C115956 - HVAC, ELECTRICAL AND ARCHITECTURAL RENOVATIONS TO SELF SERVICE STORE [24-004628] | 75N99023D00013USAspending | $712,822 | Aug 25, 2026 | Sep 12, 2024 – Aug 31, 2026 |
| Prime | Department of Health and Human Services National Institutes of Health | C115324 - RTP ELECTRICAL UNDERGROUND DISTRIBUTION REPAIR. INSTALL NEW MV CABLE | 75N99023D00013USAspending | $4,414,710 | Aug 10, 2026 | Aug 6, 2026 – Aug 5, 2027 |
| Prime | Department of Defense Department of the Army | PROGRAM SUPPORT COORD AND PREVENTION | — | $1,159,898 | Jul 9, 2026 | Nov 1, 2022 – Oct 31, 2026 |
| Prime | Department of Defense Washington Headquarters Services | DESIGN-BID-BUILD CONSTRUCTION TO REPAIR RETAINING WALL | HQ003422D0023USAspending | $9,491,535 | Apr 23, 2026 | Sep 27, 2024 – Aug 31, 2026 |
| Prime | Department of Health and Human Services National Institutes of Health | C105342-NIEHS BLDG 101 E MODULE ROOF REFURBISHMENT NEEDED TO PREVENT STRUCTURAL DAMAGE-ALISON KARVER | 75N99023D00013USAspending | $2,422,618 | Apr 13, 2026 | Jul 19, 2023 – Jul 31, 2026 |
| Prime | Department of Defense Washington Headquarters Services | DESIGN-BUILD CONSTRUCTION SERVICES TO REPAIR NORTH PARKING STRUCTURE AT THE MARK CENTER | HQ003422D0023USAspending | $3,750,000 | Nov 13, 2025 | Sep 29, 2025 – Aug 24, 2027 |
| Prime | Department of Defense Washington Headquarters Services | DESIGN-BUILD CONSTRUCTION UPGRADE WEST END SECURITY FENCE | HQ003422D0023USAspending | $3,243,111 | Oct 23, 2025 | Jun 3, 2024 – Nov 18, 2025 |
| Prime | Department of Defense Washington Headquarters Services | DESIGN-BUILD CONSTRUCTION FOR UPGRADE OF NORTH ROTARY ROAD FERN VEHICLE ACCESS CONTROL POINT FENCE | HQ003422D0023USAspending | $3,042,425 | Oct 21, 2025 | Sep 24, 2024 – Feb 17, 2026 |
| Prime | Department of Health and Human Services National Institutes of Health | C106467 - IPI/NEURO F071-F075, RTP, ALISON KARVER [23-004989] | 75N99023D00013USAspending | $4,742,362 | Apr 29, 2025 | Aug 24, 2023 – Jun 30, 2025 |
| Prime | Department of Health and Human Services National Institutes of Health | C109439 - DB CONTRACT BUILDING 101 F MODULE & MRI - REMOVE FIRE PUMP & ENHANCE FIRE SPRINKLER SYSTEM | 75N99023D00013USAspending | $933,842 | Apr 17, 2025 | Sep 20, 2023 – Aug 22, 2025 |
| Prime | Department of Commerce National Oceanic and Atmospheric Administration | WCDAS FEEDER SPLICE REPAIRS | — | $1,388,800 | Jul 27, 2023 | Feb 13, 2023 – Feb 12, 2024 |
Contract vehicles are shown only when present in the source record. Linked award numbers and vehicles open the authoritative record on USAspending.gov.
Agencies supported
- Department of Health and Human ServicesGov-sourced
- Department of DefenseGov-sourced
- Department of CommerceGov-sourced
Government-sourced data comes from SAM.gov, SBA and USAspending.gov and is attributed to its source. Items marked company-reported were provided by the company and are verified by FedSub only where labeled. FedSub is a private company and is not affiliated with SBA, GSA/SAM.gov, or any government agency.