PSC codes › H356
PSC H356 — Inspection: Construction and Building Materials: federal contracts
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What PSC H356 covers
Description: Inspection and Laboratory Services (except medical/dental): Construction and Building Materials
Includes: Commercial Testing and Laboratory Services
Excludes: Medical and Dental Laboratory Services
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Equipment Related Services › Quality Control.
Who is winning new PSC H356 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| PROJECT SOLUTIONS, INC. | $15.7M | 40 |
| ACCURA ENGINEERING AND CONSULTING SERVICES, INC. | $7.2M | 3 |
| UNIFIED BUSINESS TECHNOLOGIES, INC. | $5.1M | 13 |
| ACE CONSULTING COMPANY, INC. | $4.6M | 14 |
| PROCON CONSULTING LLC | $4.0M | 10 |
| GENCO SYSTEMS INC | $2.2M | 9 |
| ALPHA CONSTRUCTION AND ENGINEERING CORPORATION | $1.4M | 6 |
| AFG GROUP INC. | $1.4M | 6 |
| CONSTRUCTION SUPPORT SOLUTIONS LLC | $1.4M | 4 |
| MFS CONSTRUCTION LLC | $1.0M | 1 |
How competitive is PSC H356?
- 97.8% of obligations on these awards were competed.
- 25.2% of competed awards that report offers drew a single offer (n=163).
- 91.2% went to small businesses.
- The five largest contractors hold 67.6% across 66 contractors.
NAICS codes used on PSC H356 awards
| NAICS | Industry | Share |
|---|---|---|
| 541330 | Engineering Services | 38.8% |
| 236220 | Commercial and Institutional Building Construction | 35.9% |
| 541611 | Administrative Management and General Management Consulting Services | 10.2% |
| 541712 | Research and Development in the Physical, Engineering, and Life Sciences (Except Biotechnology) | 9.5% |
| 541620 | Environmental Consulting Services | 1.4% |
| 541614 | Process, Physical Distribution, and Logistics Consulting Services | 1.4% |
| 541310 | Architectural Services | 0.9% |
| 337214 | Office Furniture (Except Wood) Manufacturing | 0.6% |
Related PSC codes
R499 Other Professional Services · R425 Engineering and Technical Services · C219 Other Architect and Engineering Services · Z2AA Repair or Alteration of Office Buildings · C211 Architect - Engineer Services (including landscaping, interior layout, and designing) · R408 Program Management/Support Services · C214 A&E Management Engineering Services · H338 Inspection: Construction, Mining, Excavating, and Highway Maintenance Equipment
Win PSC H356 work with FedSift
- Matched to your company — PSC H356 solicitations ranked against your capabilities, NAICS and certifications, with a fit score for each
- A compliance matrix from the package — every requirement in the attachments, each cited to its page
- A pipeline that watches the dates — question cutoffs and response deadlines from what the notice states, amendments and new versions as they post
- The market behind the code — buyers by contracting office, who is entering, adjacent codes and contracts coming up for recompete
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