PSC C121: Conservation and Development
C121 is the product and service code (PSC) federal agencies use for conservation and development, in the arch – eng svcs – construction 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
- Share to small businesses
- 0%
Where C121 sits in the PSC Manual
- Category: Service
- Group C: Architect/Engineer Services
- Group C1: Arch – Eng SVCS – Construction
- Code C121: Conservation and Development
NAICS codes used with PSC C121
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with C121 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 541330 | Engineering Services | $1.3 million |
Who buys under PSC C121
Agencies with the most contract dollars under C121 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $1.3 million |
Federal spending under PSC C121 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $950,149 |
| FY2025 | $311,906 |
| FY2026 | $0 |
| FY2027 (so far) | $0 |
Who wins PSC C121 contracts
| Company | Obligated, last 3 years |
|---|---|
| Ameresco Select, Inc. | $1.3 million |
Related PSC codes
- C111 BLDGS & Fac / Admin & SVC BLDGS
- C112 BLDGS & Fac / Airfield, Com & MSL F
- C113 Educational Buildings
- C114 Hospital Buildings
- C115 Industrial Buildings
- C116 Residential Buildings
- C117 Warehouse Buildings
- C118 Research and Development Facilities
- C119 Other Buildings
- C122 Highway, Roads, Streets, Bridges, a
Frequently asked questions
What is PSC C121?
C121 is the service code in the federal Product and Service Code (PSC) Manual for conservation and development, under C (Architect/Engineer Services) and C1 (Arch – Eng SVCS – Construction). 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 C121?
Most federal contract dollars under PSC C121 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 C121?
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.