PSC AH55: Natural Resources & Environment R&D SVCS; Other Natural Resources; R&D Facilities & Maj Equip
AH55 is the product and service code (PSC) federal agencies use for “Natural Resources & Environment R&D SVCS; Other Natural Resources; R&D Facilities & Maj Equip”, in the “R&D – Other Pollution” 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
Open count as of Nov 7, 2026, 5:35 AM ET. The search counts live, so its total can differ by a notice or two.
Where AH55 sits in the PSC Manual
- Category: Research and Development
- Group AH: Natural Resources and Environment R&D Services
- Group AH5: R&D – Other Pollution
- Code AH55: Natural Resources & Environment R&D SVCS; Other Natural Resources; R&D Facilities & Maj Equip
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Related PSC codes
- AH51 Natural Resources and Environment R&D Services; Other Natural Resources; Basic Research
- AH52 Natural Resources and Environment R&D Services; Other Natural Resources; Applied Research
- AH53 Natural Resources and Environment R&D Services; Other Natural Resources; Experimental Development
- AH54 Natural Resources & Environment R&D SVCS; Other Natural Resources; R&D Administrative Expenses
- AH56 R&D – Other Pollution – MGMT Sup
- AH57 R&D – Other Pollution – Comercliz
Frequently asked questions
What is PSC AH55?
AH55 is the research and development code in the federal Product and Service Code (PSC) Manual named “Natural Resources & Environment R&D SVCS; Other Natural Resources; R&D Facilities & Maj Equip”, under AH (Natural Resources and Environment R&D Services) and AH5 (R&D – Other Pollution). 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.
How do I find contracts that use PSC AH55?
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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Sources: SAM.gov Contract Opportunities, USAspending.gov and the PSC Manual. How we count.