PSC codes › H156
PSC H156 — Quality Control Services: Construction and Building Materials: federal contracts
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What PSC H156 covers
Description: Quality Control Services: Construction and Building Materials
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Equipment Related Services › Quality Control.
Who is winning new PSC H156 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| WSP USA SERVICES INC. | $157.3M | 32 |
| VANGUARD INSPECTION SERVICES | $134.7M | 39 |
| SENECA FEDERAL SOLUTIONS, LLC | $989K | 1 |
| PROFESSIONAL ENVIRONMENTAL ENGINEERS, INC | $405K | 2 |
| MARZ INSPECTION & CONSULTING SERVICES LLC | $338K | 4 |
| INSTITUTE FOR BUILDING TECHNOLOGY AND SAFETY | $293K | 3 |
| AFG GROUP INC. | $290K | 1 |
| VOLTER ELECTRICAL CONSTRUCTION CORP | $163K | 1 |
| ENVIROS LLC | $134K | 1 |
| DAV ENERGY SOLUTIONS, INC. | $116K | 1 |
How competitive is PSC H156?
- 99.6% of obligations on these awards were competed.
- 20.0% of competed awards that report offers drew a single offer (n=25).
- 0.9% went to small businesses.
- The five largest contractors hold 99.6% across 16 contractors.
NAICS codes used on PSC H156 awards
| NAICS | Industry | Share |
|---|---|---|
| 541350 | Building Inspection Services | 99.1% |
| 236210 | Industrial Building Construction | 0.3% |
| 541330 | Engineering Services | 0.2% |
| 541620 | Environmental Consulting Services | 0.1% |
| 541380 | Testing Laboratories and Services | 0.1% |
| 561210 | Facilities Support Services | 0.0% |
| 238990 | All Other Specialty Trade Contractors | 0.0% |
| 561790 | Other Services to Buildings and Dwellings | 0.0% |
Related PSC codes
R425 Engineering and Technical Services · C219 Other Architect and Engineering Services · R499 Other Professional Services · C214 A&E Management Engineering Services · F999 Other Environmental Services, Studies, and Analytical Support · Z1JZ Maintenance of Miscellaneous Buildings · C213 A&E Inspection Services (non-construction) · B510 Environmental Studies and Assessments
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