Agencies › Department of the Interior › NAICS 541690
Department of the Interior (DOI): NAICS 541690 — Other Scientific and Technical Consulting Services
0open solicitations
$52.9Mobligated in FY2026
84contracts ending within 18 months
Open solicitations
Nothing is open in this category right now.
How DOI NAICS 541690 spends
DOI NAICS 541690 contracts expiring in the next 18 months
84 contracts worth $103.7M.
| Incumbent | Buyer | What | Value | Ends | Est. solicitation | Record |
|---|---|---|---|---|---|---|
| NATIONAL ACADEMY OF SCIENCES | Bureau of Ocean Energy Management | 541690 Other Scientific and Technical Consulting Services | $625K | 31 October 2026 | Now / imminent | USASpending |
| DELOITTE CONSULTING LLP | Departmental Offices | 541690 Other Scientific and Technical Consulting Services | $285K | 31 October 2026 | Now / imminent | USASpending |
| DASHIELL FEIERABEND | U.S. Fish and Wildlife Service | 541690 Other Scientific and Technical Consulting Services | $56K | 31 October 2026 | Now / imminent | USASpending |
| HENDALL INC | Departmental Offices | 541690 Other Scientific and Technical Consulting Services | $3.3M | 11 November 2026 | Now / imminent | USASpending |
| COREY REYNOLDS LLC | U.S. Geological Survey | 541690 Other Scientific and Technical Consulting Services | $499K (2 orders) | 16 November 2026 | Now / imminent | USASpending |
| SISKIYOU BIOSURVEY LLC | BLM | 541690 Other Scientific and Technical Consulting Services | $583K | 01 December 2026 | Now / imminent | USASpending |
| COLORADO STATE UNIVERSITY | U.S. Fish and Wildlife Service | 541690 Other Scientific and Technical Consulting Services | $90K | 31 December 2026 | Now / imminent | USASpending |
| ALASKA BIOMAP, INC | U.S. Fish and Wildlife Service | 541690 Other Scientific and Technical Consulting Services | $72K | 31 December 2026 | Now / imminent | USASpending |
| GEOSEP SERVICES, LLC | U.S. Geological Survey | 541690 Other Scientific and Technical Consulting Services | $26K | 31 December 2026 | Now / imminent | USASpending |
| FOREST PRESERVE DISTRICT OF DUPAGE COUNTY | U.S. Fish and Wildlife Service | 541690 Other Scientific and Technical Consulting Services | $30K | 01 January 2027 | Now / imminent | USASpending |
| NATIONAL ACADEMY OF SCIENCES | Bureau of Ocean Energy Management | 541690 Other Scientific and Technical Consulting Services | $600K | 30 January 2027 | Now / imminent | USASpending |
| MOLLOY & ASSOCIATES, LLC | Reclamation | 541690 Other Scientific and Technical Consulting Services | $409K | 31 January 2027 | Now / imminent | USASpending |
| BIO-WEST INC | Reclamation | 541690 Other Scientific and Technical Consulting Services | $619K | 13 February 2027 | Now / imminent | USASpending |
| HERRETT THOMAS A | U.S. Geological Survey | 541690 Other Scientific and Technical Consulting Services | $40K | 20 February 2027 | Now / imminent | USASpending |
| ECODATA ANALYTICS LLC | Bureau of Indian Affairs and Bureau of Indian Education | 541690 Other Scientific and Technical Consulting Services | $8.9M (2 orders) | 28 February 2027 | Now / imminent | USASpending |
Contracts and task orders from USASpending.gov (FPDS) whose period of performance ends within 18 months, valued at $25K or more, excluding IDIQ ceilings and government-owned, contractor-operated facility contracts. Co-terminous orders from the same vendor, agency, NAICS and PSC ending in the same month are grouped. The solicitation date is an estimate (about six months before the contract ends): FedSift does not know whether a follow-on has been posted, so check SAM.gov.
NAICS 541690 across every agency → · Everything DOI has open →