PSC H145: Quality Control – Plumbing, Heating, and Waste Disposal Equipment

H145 is the product and service code (PSC) federal agencies use for quality control – plumbing, heating, and waste disposal equipment, in the quality control services group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.

Open contracts now
0
Spending, FY2026
$1.5 million
Share to small businesses
47%

Where H145 sits in the PSC Manual

  • Category: Service
  • Group H: Quality Control, Test, Inspection
  • Group H1: Quality Control Services
  • Code H145: Quality Control – Plumbing, Heating, and Waste Disposal Equipment

NAICS codes used with PSC H145

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with H145 most often:

NAICSIndustrySpent, last 3 years
541330Engineering Services$2.7 million
238220Plumbing, Heating, and Air-Conditioning Contractors$2.5 million
562112Hazardous Waste Collection$85,737
562211Hazardous Waste Treatment and Disposal$83,050
541380Testing Laboratories and Services$46,376
562998All Other Miscellaneous Waste Management Services$27,622

Who buys under PSC H145

Agencies with the most contract dollars under H145 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Department of Veterans Affairs$5.1 million
Indian Health Service$138,079
National Park Service$102,727
Bureau of Reclamation$50,194
Bureau of Indian Affairs and Bureau of Indian Education$23,458
Agricultural Research Service$19,660
National Oceanic and Atmospheric Administration$15,376
U.S. Coast Guard$14,563

Federal spending under PSC H145 by year

Fiscal yearContract obligations
FY2024$2.3 million
FY2025$1.6 million
FY2026$1.5 million
FY2027 (so far)$12,403

Who wins PSC H145 contracts

CompanyObligated, last 3 years
Energy Systems Group, LLC$2.7 million
Boiler Efficiency Institute, LLC$1.7 million
Brothers Mechanical Services LLC$178,156
Converged Services Inc$99,428
Energy Transfer Solutions LLC$72,399
Starley Jeffery L$59,607
Hurtvet Subcontracting, Inc.$56,160
Iris Enterprise Solutions, LLC$50,194
Medical Waste Transport Inc$50,050
Mcintosh Service, LLC$46,948

Related PSC codes

  • H110 Quality Control – Weapons
  • H111 Quality Control – Nuclear Ordnance
  • H112 Quality Control – Fire Control Equipment
  • H113 Quality Control – Ammunition and Explosives
  • H114 Quality Control – Guided Missiles
  • H115 Quality Control – Aircraft and Airframe Structural Components
  • H116 Quality Control – Aircraft Components and Accessories
  • H117 Quality Control – Aircraft Launching, Landing, and Ground Handling Equipment
  • H118 Quality Control – Space Vehicles
  • H119 Quality Control – Ships, Small Craft, Pontoons, and Floating Docks

Frequently asked questions

What is PSC H145?

H145 is the service code in the federal Product and Service Code (PSC) Manual for quality control – plumbing, heating, and waste disposal equipment, under H (Quality Control, Test, Inspection) and H1 (Quality Control Services). Agencies put a PSC on every contract to record what they bought.

What is the difference between a PSC and a NAICS code?

A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.

Which NAICS code goes with PSC H145?

Most federal contract dollars under PSC H145 go with NAICS 541330 (Engineering Services), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.

How do I find contracts that use PSC H145?

Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. FedReady can match new ones to your business and email you, free.

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