Building Inspection Services: federal contracts
Federal agencies obligated $200.5M in net prime contract dollars under NAICS 541350 in the 12 months ending Oct 5, 2026, up 52.8% from $131.2M in the preceding 12 months.
Obligations by fiscal year
Net prime contract obligations across all agencies.
Agency markets for this NAICS
Open an agency to see its top contractors, funding offices, and potential recompetes.
Top contractors
All agencies, ranked by net obligations in the latest 12 months.
| # | Contractor | Latest 12 mo |
|---|---|---|
| 1 | National Opinion Research Center | $36.7M |
| 2 | t2s, LLC | $20.4M |
| 3 | OST Inc | $19.2M |
| 4 | Mathematica Inc. | $18.5M |
| 5 | Kearney & Company, P.C. | $14.6M |
| 6 | Vanguard Inspection Services | $11.5M |
| 7 | Powertrain, Inc. | $10.0M |
| 8 | ITC Federal, LLC | $8.5M |
| 9 | Analex Corporation | $7.6M |
| 10 | Heidelberg Resources, LLC | $6.5M |
Recent awards
New prime contract awards of $100K or more under this NAICS code, most recent first.
| Award | Contractor | Obligated | Start |
|---|---|---|---|
| 7571MN26F80165 | Powertrain, Inc. Department of Health and Human Services | $10.0M | Sep 30, 2026 |
| 7571MN26F80148 | Mathematica Inc. Department of Health and Human Services | $10.0M | Sep 30, 2026 |
| 12RADZ26C0002 | Heidelberg Resources, LLC Department of Agriculture | $6.5M | Sep 30, 2026 |
| 7571MN26F80108 | National Opinion Research Center Department of Health and Human Services | $19.9M | Sep 29, 2026 |
| 75D30126F21694 | Resolvesoft, Inc. Department of Health and Human Services | $857K | Sep 28, 2026 |
| 75F40126C00189 | Georgia Department of Agriculture Department of Health and Human Services | $163K | Sep 28, 2026 |
| 36C25026P1162 | Bryant Power Solutions L.L.C Department of Veterans Affairs | $142K | Sep 28, 2026 |
| 36C26026P0822 | AML-American Made Logistics Department of Veterans Affairs | $104K | Sep 23, 2026 |
Prime contracts (award types A–D) from USAspending.gov, grouped by the NAICS code the agency assigned to each award. An award's NAICS code describes how the agency classified that purchase; it does not set eligibility for a future solicitation.
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