PSC codes › H345
PSC H345 — Inspection: Plumbing, Heating, and Waste Disposal Equipment: federal contracts
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What PSC H345 covers
Description: Inspection and Laboratory Services (except medical/dental): Plumbing, Heating, and Waste Disposal Equipment
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 H345 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| SURE DRAIN, LLC | $1.1M | 6 |
| THE CLEAVER-BROOKS COMPANY, INC. | $318K | 1 |
| CALDAIA CONTROLS LLC | $159K | 3 |
| VETERANS FIRE AND LIFE SAFETY CORPORATION | $158K | 1 |
| SANITROL SEPTIC SERVICES, L.L.C. | $119K | 1 |
| CAWLEY ENVIRONMENTAL SERVICES INC | $118K | 1 |
| HAMMEL GREEN & ABRAHAMSON INC | $107K | 1 |
| WIRELESS NETWORK GROUP, INC. | $101K | 1 |
| MISCELLANEOUS FOREIGN AWARDEES | $95K | 5 |
| INDEN SOLUTIONS GROUP INC | $91K | 1 |
How competitive is PSC H345?
- 75.6% of obligations on these awards were competed.
- 10.2% of competed awards that report offers drew a single offer (n=49).
- 78.5% went to small businesses.
- The five largest contractors hold 51.4% across 57 contractors.
NAICS codes used on PSC H345 awards
| NAICS | Industry | Share |
|---|---|---|
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | 32.9% |
| 562112 | Hazardous Waste Collection | 26.4% |
| 333414 | Heating Equipment (Except Warm Air Furnaces) Manufacturing | 8.6% |
| 541330 | Engineering Services | 5.3% |
| 811310 | Commercial and Industrial Machinery and Equipment (Except Automotive and Electronic) Repair and Maintenance | 5.2% |
| 562119 | Other Waste Collection | 4.6% |
| 562991 | Septic Tank and Related Services | 3.2% |
| 221310 | Water Supply and Irrigation Systems | 3.2% |
Related PSC codes
J045 Maint/Repair/Rebuild of Equipment: Plumbing, Heating, and Waste Disposal Equipment · J041 Maint/Repair/Rebuild of Equipment: Refrigeration, Air Conditioning, and Air Circulating Equipment · J065 Maint/Repair/Rebuild of Equipment: Medical, Dental, and Veterinary Equipment and Supplies · J012 Maintenance, Repair and Rebuilding of Equipment: Fire Control Equipment · H342 Inspection: Fire Fighting/Rescue/Safety Equipment; Environ Protect Equipment/Matls · J061 Maint/Repair/Rebuild of Equipment: Electric Wire and Power Distribution Equipment · H999 Other Quality Control, Testing and Inspection Services: Miscellaneous · H399 Inspection and Laboratory Services (except medical/dental): Miscellaneous
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