Agency spend
Department of the Interior DOI
FY2026 contract obligations · 2025-10-01 to 2026-09-30← FY2025
Department of the Interior’s largest prime contractor in FY2026 is GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC., at $202.31M in obligated contract dollars. The tables rank where the rest of its money went.
Top vendors
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $202.31M |
| GUIDEHOUSE INC. | $136.12M |
| AMES FEDERAL CONTRACTING GROUP LLC | $132.45M |
| RECORD STEEL AND CONSTRUCTION, INC. | $129.81M |
| NW CONSTRUCTION, INC | $126.04M |
| PERIMETER SOLUTIONS LP | $115.83M |
| G.S.E. CONSTRUCTION COMPANY, INC. | $109.49M |
| KIEWIT INFRASTRUCTURE WEST CO. | $103.95M |
| FLATLAND ENERGY SERVICES LLC | $75.53M |
| KBR WYLE SERVICES, LLC | $74.58M |
Top NAICS
| 237110 | Water and Sewer Line and Related Structures Construction | $747.16M |
| 236220 | Commercial and Institutional Building Construction | $522.17M |
| 541512 | Computer Systems Design Services | $476.67M |
| 541519 | Other Computer Related Services | $473.86M |
| 237990 | Other Heavy and Civil Engineering Construction | $472.87M |
| 541611 | Administrative Management and General Management Consulting Services | $277.33M |
| 115310 | Support Activities for Forestry | $275.74M |
| 541511 | Custom Computer Programming Services | $265.48M |
| 541330 | Engineering Services | $176.28M |
| 481211 | Nonscheduled Chartered Passenger Air Transportation | $138.61M |
Expiring contracts at Department of the Interior
15 contracts tracked here with an end date still ahead, worth $76.18M together. Soonest first.
| Ends | Contract | Incumbent | Value |
|---|---|---|---|
| 2026-09-26 | 140P8224P0050 | JWS REFRIGERATION & AIR CONDITIONING, LTD. | $91,612 |
| 2026-09-26 | 140P2125F0171 | NEXGEN TECHNOLOGIES, INC. | $8,049,338 |
| 2026-09-26 | 140D0424F1321 | BETAH ASSOCIATES, INC. | $547,250 |
| 2026-09-26 | 140D0426F0321 | ACUMEN LLC | $9,212,058 |
| 2026-09-27 | 140D0420F0417 | ESSEX MANAGEMENT LLC | $26,317,392 |
| 2026-09-28 | 140FC126P0041 | JONES FAMILY SUPERIOR CONSTRUCTION LLC | $17,495 |
| 2026-09-28 | 140G0125F0313 | BLUE ROSE CONSULTING GROUP, INC. | $141,432 |
| 2026-09-29 | 140P8125C0011 | AULICINO INC. | $367,524 |
| 2026-09-29 | 140F0122C0121 | CLIMATE ENGINEERING INC | $135,710 |
| 2026-09-29 | 140D0425P0190 | FOCUS CONSULTING LLC | $2,202,301 |
| 2026-09-29 | 140D0426F9004 | SCRIBEDOC.COM, INC. | $699,282 |
| 2026-09-29 | 140D0422C0056 | KATMAI DIVERSIFIED SERVICES LLC | $23,254,056 |
| 2026-09-30 | 140P1425F0077 | WEST FORK CONSTRUCTION, LLC | $1,578,588 |
| 2026-09-30 | 140P2024C0066 | AJCE CORPORATION | $2,874,213 |
| 2026-09-30 | 140P2124C0043 | RITZ CONSTRUCTION INC | $695,765 |