PSC H299: Equipment and Materials Testing – Miscellaneous

H299 is the product and service code (PSC) federal agencies use for equipment and materials testing – miscellaneous, in the equipment and materials testing 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
$12.7 million
Share to small businesses
47%

Where H299 sits in the PSC Manual

  • Category: Service
  • Group H: Quality Control, Test, Inspection
  • Group H2: Equipment and Materials Testing
  • Code H299: Equipment and Materials Testing – Miscellaneous

NAICS codes used with PSC H299

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with H299 most often:

NAICSIndustrySpent, last 3 years
541380Testing Laboratories and Services$39.3 million
562998All Other Miscellaneous Waste Management Services$1.1 million
561210Facilities Support Services$945,638
238220Plumbing, Heating, and Air-Conditioning Contractors$572,617
238290Other Building Equipment Contractors$486,998
334516Analytical Laboratory Instrument Manufacturing$480,894

Who buys under PSC H299

Agencies with the most contract dollars under H299 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Department of the Air Force$35 million
Department of the Navy$3.6 million
Department of Veterans Affairs$1.9 million
National Highway Traffic Safety Administration$1.5 million
Department of State$1.5 million
Department of the Army$1.1 million
Defense Logistics Agency$437,202
National Aeronautics and Space Administration$234,379

Federal spending under PSC H299 by year

Fiscal yearContract obligations
FY2024$12.4 million
FY2025$-1,366,269
FY2026$12.7 million
FY2027 (so far)$77,950

Who wins PSC H299 contracts

CompanyObligated, last 3 years
Linde Special Projects LLC$24.3 million
Solutions Through Innovative Technologies Inc$8.4 million
DCS Corporation$2 million
Mass Tank Inspection Services LLC$1.1 million
Smithers Mse Inc$949,671
C.R.W. Mechanical, Inc.$912,670
Miscellaneous Foreign Awardees$717,740
NTS Technical Systems, LLC$484,262
Texas Test Fleet Inc$439,243
Elcon Enterprises Inc$421,592

Related PSC codes

  • H210 Equipment and Materials Testing – Weapons
  • H211 Equipment and Materials Testing – Nuclear Ordnance
  • H212 Equipment and Materials Testing – Fire Control Equipment
  • H213 Equipment and Materials Testing – Ammunition and Explosives
  • H214 Equipment and Materials Testing – Guided Missiles
  • H215 Equipment and Materials Testing – Aircraft and Airframe Structural Components
  • H216 Equipment and Materials Testing – Aircraft Components and Accessories
  • H217 Equipment and Materials Testing – Aircraft Launching, Landing, and Ground Handling Equipment
  • H218 Equipment and Materials Testing – Space Vehicles
  • H219 Equipment and Materials Testing – Ships, Small Craft, Pontoons, and Floating Docks

Frequently asked questions

What is PSC H299?

H299 is the service code in the federal Product and Service Code (PSC) Manual for equipment and materials testing – miscellaneous, under H (Quality Control, Test, Inspection) and H2 (Equipment and Materials Testing). 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 H299?

Most federal contract dollars under PSC H299 go with NAICS 541380 (Testing Laboratories and 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 H299?

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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