PSC AH52: Natural Resources and Environment R&D Services; Other Natural Resources; Applied Research
AH52 is the product and service code (PSC) federal agencies use for “Natural Resources and Environment R&D Services; Other Natural Resources; Applied Research”, 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
- 1
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.
Open PSC AH52 contracts with 2+ days to respond
- Ammonia-Assisted Regeneration for Longer-Lasting Direct Air Capture (DAC)
Due in 10 daysNov 17, 2026, 5:00 PM MST
Where AH52 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 AH52: Natural Resources and Environment R&D Services; Other Natural Resources; Applied Research
NAICS codes used with PSC AH52
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with AH52 most often on the notices open now:
| NAICS | Industry | Open with PSC AH52 |
|---|---|---|
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | 1 |
Open contracts under each code, with any PSC: NAICS 541715
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Research PSC AH52 work
By the NAICS codes this work goes with, the one with the most spending first: who won recently, contracts ending soon, agencies' planned buys and the large primes that subcontract it, nationwide. Each code shows only the pages that exist for it:
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology): who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
Related PSC codes
- AH51 Natural Resources and Environment R&D Services; Other Natural Resources; Basic 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
- AH55 Natural Resources & Environment R&D SVCS; Other Natural Resources; R&D Facilities & Maj Equip
- AH56 R&D – Other Pollution – MGMT Sup
- AH57 R&D – Other Pollution – Comercliz
Frequently asked questions
What is PSC AH52?
AH52 is the research and development code in the federal Product and Service Code (PSC) Manual named “Natural Resources and Environment R&D Services; Other Natural Resources; Applied Research”, 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.
Which NAICS code goes with PSC AH52?
Most open notices under PSC AH52 use NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). The contracting officer picks the NAICS code for each solicitation, so check the notice.
How do I find contracts that use PSC AH52?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notice uses PSC AH52 right now. 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.