Federal Agencies / Federal agency guide
Department of the Interior: $6.6B in contracts in FY2025
Interior buys across the National Park Service, the Bureau of Land Management, the Bureau of Reclamation, the Fish and Wildlife Service, the USGS and Indian Affairs: wildland fire support, construction and maintenance on public lands, dams and water infrastructure, environmental and scientific services, and the IT of a department with offices in every state. Buy Indian Act set-asides give Native-owned firms a route others lack.
Its mission, in its own words
The Department of the Interior protects and manages the Nation's natural resources and cultural heritage; provides scientific and other information about those resources; and honors its trust responsibilities or special commitments to American Indians, Alaska Natives, and affiliated island communities.
As recorded on USAspending.gov; 16 sub-agencies and bureaus buy under it. www.doi.gov
- Small-business set-asides
- $1.6B
Source: USAspending.gov, FY2025 contract obligations under a small-business set-aside, read 2026-11-05.
- Set-aside share
- 24.2%
Source: USAspending.gov, FY2025 set-aside obligations over all contract obligations, read 2026-11-05.
What DOI buys, by code
The NAICS codes with the most DOI contract dollars in FY2025: together $4.7B, 71.7% of everything it obligated. Each code links to its own page with the buyers under it across government.
| NAICS code | FY2025 | Share |
|---|---|---|
| $821M | 12.5% | |
| $740M | 11.3% | |
| $550M | 8.4% | |
| $459M | 7% | |
| $448M | 6.8% | |
| $329M | 5% | |
| $283M | 4.3% | |
| $221M | 3.4% | |
| $203M | 3.1% | |
| $148M | 2.3% | |
| $130M | 2% | |
| $104M | 1.6% | |
| $93.8M | 1.4% | |
| $88.7M | 1.4% | |
| $86.7M | 1.3% |
Source: USAspending.gov, FY2025 contract obligations by NAICS code, read 2026-11-05.
The small-business share
$1,586,129,897 of DOI’s FY2025 contract dollars, 24.2% of the total, went out under a small-business set-aside: competitions and sole-source awards reserved for small firms, 8(a) participants, HUBZone, service-disabled veteran-owned and women-owned businesses. The dollars primes placed with small subcontractors sit on top of that and are not counted here.
Source: USAspending.gov, FY2025 set-aside obligations, read 2026-11-05.
The vehicles
NIFC wildland fire vehicles
The National Interagency Fire Center's contracts for crews, equipment and aviation.
Interior Business Center
Shared acquisition services other agencies order through.
DOI IT services IDIQs
The Department's enterprise IT vehicles.
OASIS+ and GSA MAS
Professional services and commercial products.
What GovSmith does with this
How GovSmith wins at DOI for you
GovSmith watches the park, refuge and field-office buys that are small, seasonal and set aside, the fire-season surge contracts and the Reclamation construction pipeline, and matches a client's trades, environmental or scientific work to the bureau and the region.