PSC AH45: Natural Resources & Environment R&D SVCS; Pollution Control & Abatement; R&D Facilities & Maj Equip
AH45 is the product and service code (PSC) federal agencies use for “Natural Resources & Environment R&D SVCS; Pollution Control & Abatement; R&D Facilities & Maj Equip”, in the “R&D – Noise 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 AH45 sits in the PSC Manual
- Category: Research and Development
- Group AH: Natural Resources and Environment R&D Services
- Group AH4: R&D – Noise Pollution
- Code AH45: Natural Resources & Environment R&D SVCS; Pollution Control & Abatement; R&D Facilities & Maj Equip
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Related PSC codes
- AH41 Natural Resources and Environment R&D Services; Pollution Control and Abatement; Basic Research
- AH42 Natural Resources and Environment R&D Services; Pollution Control and Abatement; Applied Research
- AH43 Natural Resources & Environment R&D SVCS; Pollution Control & Abatement; Experimental Development
- AH44 Natural Resources & Environment R&D SVCS; Pollution Control & Abatement; R&D Administrative Expenses
- AH46 R&D – Environmental Protection: Noise Pollution (Management/Support)
- AH47 R&D – Environmental Protection: Noise Pollution (Commercialized)
Frequently asked questions
What is PSC AH45?
AH45 is the research and development code in the federal Product and Service Code (PSC) Manual named “Natural Resources & Environment R&D SVCS; Pollution Control & Abatement; R&D Facilities & Maj Equip”, under AH (Natural Resources and Environment R&D Services) and AH4 (R&D – Noise 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 AH45?
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.