Contract
49100426F0159 — THORNTON TOMASETTI, INC.
THORNTON TOMASETTI, INC. holds this National Science Foundation contract until 23 March 2027, 171 days from now. It is worth $10M, for engineering services work in SUNSPOT, NM.
- Days left
- 171
- Ends
- 2027-03-23
- Value
- $10M
- Set-aside
- Not recorded
Who is the incumbent on 49100426F0159?
THORNTON TOMASETTI, INC. holds the award, recorded by SAM as OTHER THAN SMALL BUSINESS. Its unique entity identifier is LGWMGNMDN987.
When does 49100426F0159 come up for recompete?
The current period of performance ends 23 March 2027, 171 days from now. It started 23 September 2026.
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What is contract 49100426F0159 for?
SAC PEAK CONTROLLED DEMOLITION OF DST BUILDING TO REMEDIATE THE REMAINING MERCURY TRAPPED IN THE BUILDING.
Reproduced from the USAspending.gov award record, capitals and all. SAM’s most recent action on this contract carries only administrative modification text, so the base award’s description is shown instead.
NAICS 541330 — Engineering ServicesExpiring in this industryNational Science Foundation 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 | 49100426F0159 |
|---|---|
| Parent vehicle | 49100426D0001 |
| Department code | 4900 · NATIONAL SCIENCE FOUNDATION |
| Vendor UEI | LGWMGNMDN987 |
| NAICS code | 541330 · ENGINEERING SERVICES |
| Period of performance | 2026-09-23 to 2027-03-23 |
| Total contract value | $9,999,334 |
| Last modified in SAM | 2026-09-29 · action signed 2026-09-29 |
| Product or service code | F108 · ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION |
| Awarding sub-agency | National Science Foundation |
| 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.
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First seen in the SAM.gov Contract Awards feed on 3 Oct 2026, last confirmed 3 Oct 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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