Addon Services LLC government contracts
$164M obligated across 34 federal awards. 4 are still running.
Who buys from Addon Services LLC
| Agency | Awards | Obligated |
|---|---|---|
| Department of the Army | 24 | $135M |
| U.S. Fish and Wildlife Service | 1 | $10.1M |
| Department of the Navy | 4 | $8.8M |
| GSA Public Buildings Service | 1 | $3.4M |
| Federal Aviation Administration | 2 | $3.2M |
| DOL Office of the Assistant Secretary for Administration and Management | 1 | $2.8M |
| U.S. Transportation Command | 1 | $803K |
What Addon Services LLC sells
Its awards by NAICS code. Codes with live notices link to them.
| Industry | Awards | Obligated |
|---|---|---|
| Commercial and Institutional Building Construction NAICS 236220 | 16 | $94.3M |
| Professional and Management Development Training NAICS 611430 | 2 | $27.2M |
| Special Needs Transportation NAICS 485991 | 1 | $7.5M |
| Administrative Management and General Management Consulting Services NAICS 541611 | 3 | $6.8M |
| Computer Facilities Management Services NAICS 541513 | 2 | $5.8M |
| All Other Specialty Trade Contractors NAICS 238990 | 1 | $5.3M |
| Roofing Contractors NAICS 238160 | 2 | $4.5M |
| Parking Lots and Garages NAICS 812930 | 1 | $2.8M |
| Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance NAICS 811310 | 1 | $2.3M |
| Electrical Contractors and Other Wiring Installation Contractors NAICS 238210 | 1 | $1.9M |
Contracts ending soon
Awards that end in the next 18 months, soonest first. Expiring work is often recompeted.
| Award | Obligated | Start | End |
|---|---|---|---|
| AUDIO VISUAL TELECONFERENCING (AV/VTC) EQUIPMENT MAINTENANCE SUPPORT SERVICES U.S. Transportation Command · HTC71121CD001 | $803K | Oct 1, 2021 | Sep 30, 2026 |
| CONSTRUCTION FOR HANGAR B3231 Department of the Army · W912DY23F0433 | $6.6M | Sep 30, 2023 | Oct 31, 2026 |
| NEW MAINTENANCE BUILDING WITH ADMIN AREA FOR LOCK 27 LOCATED IN GRANITE CITY, IL. Department of the Army · W912DY24F0648 | $7.4M | Sep 30, 2024 | May 14, 2027 |
| RFP AMENDMENT 0002 IS TO PROVIDE THE FOLLOWING: SOW_FY 25 NETC NORTH ISLAND RENOVATIONS_03SEP2025**THE PROPOSAL DUE DATE REMAINS UNCHANGED PROPOSALS ARE DUE 12 SEP 2025 AT 1300. ** Department of the Army · W912DY25FA285 | $18.9M | Sep 30, 2025 | Mar 1, 2028 |
Largest awards
By total obligated value. Each links to its record on USAspending.gov.
Similar contractors
Companies winning under the same main NAICS code.
| Contractor | Awards | Obligated |
|---|---|---|
| Fisher Sand & Gravel Co UEI XAVBDA4D13N7 | 15 | $14.7B |
| BL Harbert International LLC UEI XXNJCWMAKNH8 | 64 | $10.2B |
| Caddell Construction Co. (De), LLC UEI ELJMJND6DDF3 | 25 | $6.7B |
| Whiting-Turner Contracting Company, the UEI VEP4UN7LDMK5 | 93 | $5B |
| Clark Construction Group LLC UEI QQBXQR679KM9 | 16 | $4.6B |
| Barnard Construction Company, Incorporated UEI LEGGW1TNMVC9 | 5 | $4.5B |
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Questions people ask
What is Addon Services LLC's UEI?
C1J1B6AJTQK4. The Unique Entity ID is the 12-character number SAM.gov assigns to every company that registers to do business with the federal government. It replaced the DUNS number in 2022.
How much has Addon Services LLC won in federal contracts?
$164M obligated across 34 awards in Captivaq's records, most of it from Department of the Army. That covers contracts of $1M or more active since October 2023, so the full history is larger.
Which Addon Services LLC contracts end soon?
4 awards end in the next 18 months, listed on this page. Expiring contracts are often recompeted, which is the opening for a competitor or a teaming partner.
Figures come from federal award records published on USAspending.gov: contracts of $1M or more active since October 2023, plus smaller awards tied to open opportunities. They are not a complete contract history; each award above links to its official record.
Captivaq is an independent service from Logesta Labs LLC and is not affiliated with or endorsed by the U.S. government or SAM.gov. The notice on the official source portal is the record that governs; confirm deadlines and amendments there.