The Department of the Interior's NAICS 237110 (Water and Sewer Line and Related Structures Construction) market: incumbents, spending trend, set-asides and open solicitations — from FY2026 USAspending awards and live SAM.gov notices.
Contract data as of Oct 18, 2026 (USAspending) · recent coverage verified weekly
| Quarter | Awards | Obligated | Change |
|---|---|---|---|
| Q1 FY2026 | 9 | $63.1M | — |
| Q2 FY2026 | 15 | $587K | -99% |
| Q3 FY2026 | 39 | $438.3M | +74613% |
| Q4 FY2026 | 49 | $222.9M | -49% |
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 | 17.9% |
| 2 | RECORD STEEL AND CONSTRUCTION, INC. | $129.2M | 17.8% |
| 3 | G.S.E. CONSTRUCTION COMPANY, INC. | $109.5M | 15.1% |
| 4 | DYNO ENERGY SERVICES LLC | $75.5M | 10.4% |
| 5 | CARSTENSEN CONTRACTING INC | $72.9M | 10.1% |
Registrations are rolled up to their corporate parent (USAspending parent UEI), so a company with several SAM registrations ranks once.
| Set-aside type | Obligated | Share |
|---|---|---|
| Small business set-aside | $105.2M | 16.2% |
| 8(a) | $7.9M | 1.2% |
| SDVOSB | $210K | 0.0% |
| WOSB / EDWOSB | $532K | 0.1% |
| HUBZone | $0 | 0.0% |
| Other (Indian economic enterprise, veteran, …) | $6.0M | 0.9% |
| No set-aside (full & open) | $529.3M | 81.5% |
Share of obligations on awards whose set-aside type is recorded — 90% 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 18. 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.