What the Department of the Interior buys, who it buys from, and what's open for bid — from FY2026 USAspending awards and live SAM.gov solicitations.
Contract data as of Oct 18, 2026 (USAspending) · recent coverage verified weekly
| Quarter | Awards | Obligated | Change |
|---|---|---|---|
| Q1 FY2026 | 704 | $335.6M | — |
| Q2 FY2026 | 2,436 | $705.6M | +110% |
| Q3 FY2026 | 3,940 | $1.6B | +127% |
| Q4 FY2026 | 6,035 | $2.2B | +39% |
Federal fiscal quarters (Q1 = Oct–Dec). Awards are counted in the quarter they start; obligations are the award's obligated amount.
| # | Contractor | Obligated | Share |
|---|---|---|---|
| 1 | AMES FEDERAL CONTRACTING GROUP LLC | $129.5M | 2.7% |
| 2 | RECORD STEEL AND CONSTRUCTION, INC. | $129.2M | 2.7% |
| 3 | GENERAL DYNAMICS CORP | $118.4M | 2.4% |
| 4 | PERIMETER SOLUTIONS LP | $112.0M | 2.3% |
| 5 | G.S.E. CONSTRUCTION COMPANY, INC. | $109.5M | 2.2% |
| 6 | LLC RKS INFRASTRUCTURE | $103.3M | 2.1% |
| 7 | DYNO ENERGY SERVICES LLC | $75.5M | 1.6% |
| 8 | CARSTENSEN CONTRACTING INC | $72.9M | 1.5% |
| 9 | TUTOR PERINI CORP | $69.5M | 1.4% |
| 10 | ITOCHU CORPORATION | $68.7M | 1.4% |
Registrations are rolled up to their corporate parent (USAspending parent UEI), so a company with several SAM registrations ranks once.
| NAICS | Obligated | Share |
|---|---|---|
| 237110 · Water and Sewer Line and Related Structures Construction | $725.0M | 14.9% |
| 236220 · Commercial and Institutional Building Construction | $474.6M | 9.7% |
| 237990 · Other Heavy and Civil Engineering Construction | $312.3M | 6.4% |
| 541519 · Other Computer Related Services | $269.7M | 5.5% |
| 237310 · Highway, Street, and Bridge Construction | $189.0M | 3.9% |
| 115310 · Support Activities for Forestry | $178.2M | 3.7% |
| 481211 · Nonscheduled Chartered Passenger Air Transportation | $160.7M | 3.3% |
| 541512 · Computer Systems Design Services | $150.0M | 3.1% |
| 541611 · Administrative Management and General Management Consulting Services | $149.4M | 3.1% |
| 541330 · Engineering Services | $145.9M | 3.0% |
| Set-aside type | Obligated | Share |
|---|---|---|
| Small business set-aside | $986.9M | 43.2% |
| 8(a) | $91.3M | 4.0% |
| SDVOSB | $13.1M | 0.6% |
| WOSB / EDWOSB | $17.2M | 0.8% |
| HUBZone | $10.9M | 0.5% |
| Other (Indian economic enterprise, veteran, …) | $68.3M | 3.0% |
| No set-aside (full & open) | $1.1B | 48.1% |
Share of obligations on awards whose set-aside type is recorded — 47% of this market's dollars. Most USAspending bulk-archive records leave the field blank, so blank awards are excluded rather than counted as full & open.
Showing the 10 most recently posted of 223. Links open the notice on SAM.gov.
Source: USAspending.gov contract awards (prime awards with a start date from Oct 1, 2025 through Sep 30, 2026), SAM.gov contract opportunities, and SBA size standards. Recompetes are contracts whose final end date — options included — falls in the next 12 months. Figures are recomputed when a new USAspending load lands. See our data sources.