Agency spend
Department of the Interior DOI
FY2026 contract obligations · 2025-10-01 to 2026-09-30← FY2025
Top vendors
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $135.96M |
| AMES FEDERAL CONTRACTING GROUP LLC | $132.4M |
| RECORD STEEL AND CONSTRUCTION, INC. | $129.34M |
| NW CONSTRUCTION, INC | $125.91M |
| G.S.E. CONSTRUCTION COMPANY, INC. | $109.49M |
| KIEWIT INFRASTRUCTURE WEST CO. | $103.81M |
| GUIDEHOUSE INC. | $85.19M |
| FLATLAND ENERGY SERVICES LLC | $75.53M |
| KBR WYLE SERVICES, LLC | $71.36M |
| PERIMETER SOLUTIONS LP | $70.83M |
Top NAICS
| 237110 | Water and Sewer Line and Related Structures Construction | $589.02M |
| 237990 | Other Heavy and Civil Engineering Construction | $400.69M |
| 541512 | Computer Systems Design Services | $348.01M |
| 541519 | Other Computer Related Services | $315.36M |
| 236220 | Commercial and Institutional Building Construction | $307.5M |
| 541611 | Administrative Management and General Management Consulting Services | $190.93M |
| 115310 | Support Activities for Forestry | $158.78M |
| 541511 | Custom Computer Programming Services | $135.05M |
| 541330 | Engineering Services | $117.75M |
| 541513 | Computer Facilities Management Services | $80.32M |