Expired contract
1605C224F00031 — MATHEMATICA INC.
MATHEMATICA INC. held this Department of Labor contract until 16 September 2026. The period of performance ended 54 days ago. It was worth $10.39M, for administrative management consulting services work in WASHINGTON, DC.
- Days since
- 54
- Ended
- 2026-09-16
- Value
- $10.39M
- Set-aside
- Not recorded
Who is the incumbent on 1605C224F00031?
MATHEMATICA INC. held the award, recorded by SAM as OTHER THAN SMALL BUSINESS. Its unique entity identifier is UJMMR3K2CDK6.
This period of performance has ended
The period of performance ended 16 September 2026. A follow-on may already have been awarded — FedTally tracks contracts up to their end date and does not track award of the successor. The SAM.gov record is the current authority.
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What is contract 1605C224F00031 for?
ADMINISTRATIVE DATA RESEARCH AND ANALYSIS (ADRA) CONTRACT / EXECUTE OPTIONAL TASK 10, 13, AND 16
Reproduced from the SAM.gov record, capitals and all. It describes the most recent contract action, which on a modification is that action’s purpose.
NAICS 541611 — Administrative Management Consulting ServicesExpiring in this industryDepartment of Labor spending
Can a small business bid on the follow-on?
No set-aside is recorded on this award. The follow-on is competed under whatever the contracting officer sets then, not under this award’s terms.
Contract identifiers
| Contract number | 1605C224F00031 |
|---|---|
| Parent vehicle | 1605C223A0017 |
| Department code | 1600 · LABOR, DEPARTMENT OF |
| Vendor UEI | UJMMR3K2CDK6 |
| NAICS code | 541611 · ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES |
| Period of performance | 2024-09-17 to 2026-09-16 |
| Total contract value | $10,391,525 |
| Last modified in SAM | 2026-07-21 · action signed 2026-07-16 |
| Product or service code | B599 · SPECIAL STUDIES/ANALYSIS- OTHER |
| Awarding sub-agency | Office of the Assistant Secretary for Administration and Management |
| USAspending record | View this award on USAspending.gov |
Obligated amount is not shown. SAM reports it per action, not running, and it is zero or negative on a third of the archive. How to read a contract number.
Related contracts
The same archive cut four ways — the incumbent’s other work, the same programme, the same agency, the same industry. Every one of these has a page.
Other contracts held by MATHEMATICA INC.
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- 20341924F00006$167.08KWINDSOR GROUP LLCEnds 10 Nov 2026 · Administrative Management Consulting Services
- 36C10F25N0004$118.33KCONCOURSE FEDERAL GROUP, LLCEnds 10 Nov 2026 · Administrative Management Consulting Services
- 91990026F0054$166.95KLUX CONSULTING GROUP, INC.Ends 10 Nov 2026 · Administrative Management Consulting Services
- 36C10G25C0015$4.71MARGENT ARC LLCEnds 11 Nov 2026 · Administrative Management Consulting Services
- 15JA5327F00000002$7.72KLEGAL INTERPRETING SERVICES, INC.Ends 12 Nov 2026 · Administrative Management Consulting Services
First seen in the SAM.gov Contract Awards feed on 31 Aug 2026, last confirmed 31 Aug 2026. Figures are SAM’s, taken from the most recent contract action — public domain US Government data. Vendors are identified by name and government-issued UEI only.
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