PSC C1AZ: Architect and Engineering – Construction: Other Administrative Facilities/Service Buildings
C1AZ is the product and service code (PSC) federal agencies use for architect and engineering – construction: other administrative facilities/service buildings, 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
- 1
- Spending, FY2026
- $113.7 million
- Share to small businesses
- 50%
Open contracts with PSC C1AZ, due soonest
- El Toro Range Improvements
✦ The FBI is doing market research (a sources sought, not a solicitation) for a possible design-build project to improve a firearms range in the Irvine, California area (El Toro).
Due in 11 daysOct 22, 2026
Where C1AZ sits in the PSC Manual
- Category: Service
- Group C: Architect/Engineer Services
- Group C1: Arch – Eng SVCS – Construction
- Code C1AZ: Architect and Engineering – Construction: Other Administrative Facilities/Service Buildings
NAICS codes used with PSC C1AZ
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with C1AZ most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 541330 | Engineering Services | $192.4 million |
| 236220 | Commercial and Institutional Building Construction | $92.9 million |
| 541310 | Architectural Services | $44.4 million |
| 531390 | Other Activities Related to Real Estate | $17 million |
| 237990 | Other Heavy and Civil Engineering Construction | $11.7 million |
| 221122 | Electric Power Distribution | $1.8 million |
Who buys under PSC C1AZ
Agencies with the most contract dollars under C1AZ over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Navy | $115 million |
| Department of the Army | $49.6 million |
| Department of Veterans Affairs | $44.9 million |
| Department of the Air Force | $29.8 million |
| Agency for International Development | $25.4 million |
| Public Buildings Service | $20.6 million |
| Agricultural Research Service | $14 million |
| Animal and Plant Health Inspection Service | $13.9 million |
Federal spending under PSC C1AZ by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $143.1 million |
| FY2025 | $108.4 million |
| FY2026 | $113.7 million |
| FY2027 (so far) | $0 |
Who wins PSC C1AZ contracts
| Company | Obligated, last 3 years |
|---|---|
| Black & Veatch-Jacobs JV | $37.9 million |
| Aecom Technical Services, Inc. | $25.6 million |
| Rore, Inc. | $22.3 million |
| Concourse Federal Group LLC | $17 million |
| Roen Salvage Co. | $11.7 million |
| MVL USA Inc | $11.7 million |
| Clark Nexsen Inc | $11.7 million |
| Bering Straits Professional Services, LLC | $9.8 million |
| WSM Pacific Siop, a Joint Venture | $9.4 million |
| Krueck & Sexton Architects, LTD | $8.6 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
- C121 Conservation and Development
Frequently asked questions
What is PSC C1AZ?
C1AZ is the service code in the federal Product and Service Code (PSC) Manual for architect and engineering – construction: other administrative facilities/service buildings, 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 C1AZ?
Most federal contract dollars under PSC C1AZ 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 C1AZ?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notices use PSC C1AZ right now. FedReady can match new ones to your business and email you, free.