PSC N056: Installation of Equipment – Construction and Building Materials
N056 is the product and service code (PSC) federal agencies use for “Installation of Equipment – Construction and Building Materials”, in the “Installation of Equipment” 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
- Federal contract spending, FY2025
- $6.3 million
- Share of contract dollars to small businesses, since FY2024
- 78%
Open count as of Oct 28, 2026, 7:01 PM ET. The search counts live, so its total can differ by a notice or two.
Where N056 sits in the PSC Manual
- Category: Service
- Group N: Installation of Equipment
- Group N0: Installation of Equipment
- Code N056: Installation of Equipment – Construction and Building Materials
NAICS codes used with PSC N056
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with N056 most often:
| NAICS | Industry | Spent, last 3 years | Open with PSC N056 |
|---|---|---|---|
| 236220 | Commercial and Institutional Building Construction | $7.8 million | — |
| 238990 | All Other Specialty Trade Contractors | $4.9 million | — |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $4.8 million | — |
| 238290 | Other Building Equipment Contractors | $3.9 million | — |
| 238330 | Flooring Contractors | $359,136 | — |
| 238210 | Electrical Contractors and Other Wiring Installation Contractors | $358,303 | — |
Open contracts under each code, with any PSC: NAICS 236220 · NAICS 238990 · NAICS 238220 · NAICS 238290 · NAICS 238330 · NAICS 238210
Who buys under PSC N056
Agencies with the most contract dollars under N056 over the last three fiscal years, per USAspending.gov. Each name links to that agency's open contracts and buying history:
| Agency | Obligated |
|---|---|
| Department of the Air Force | $4.9 million |
| United States Mint | $4.4 million |
| Forest Service | $4.1 million |
| Department of the Army | $3 million |
| Federal Aviation Administration | $2.1 million |
| Department of Veterans Affairs | $2 million |
| Federal Emergency Management Agency | $963,151 |
| Department of State | $708,030 |
Federal spending under PSC N056 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $13.4 million |
| FY2025 | $6.3 million |
| FY2026 (incomplete) | $4 million |
Headline figures use FY2025, the last complete year. FY2026 is still incomplete and will rise until about early January 2027 as Defense data arrives: USAspending.gov publishes Defense contracts 90 days after they're signed.
Who wins PSC N056 contracts
| Company | Obligated, last 3 years |
|---|---|
| Yerba Buena Engineering & Construction, Inc. | $4.4 million |
| Envision Group General Contracting By Griego Construction L.L.C | $4.1 million |
| Collins Construction Services, Inc | $3.3 million |
| Schuman Electric LLC | $2.2 million |
| Hamilton Pacific Chamberlain LLC | $1.2 million |
| N&S Property Services LLC | $814,725 |
| Puyenpa Construction, LLC | $809,830 |
| Al Ghanim Combined Group Co. Gen. Trad. & Cont. WLL | $741,504 |
| Sergents Mechanical Systems Inc | $635,176 |
| Miscellaneous Foreign Awardees | $467,599 |
Linked names have a FedReady profile, which shows the NAICS codes a business is registered as small under. Most large companies have none.
Large prime contractors (companies that hold the contract with the agency) subcontract part of their work to small businesses. See which primes subcontract, by NAICS code.
Research PSC N056 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:
- 236220 Commercial and Institutional Building Construction: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 238990 All Other Specialty Trade Contractors: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 238220 Plumbing, Heating, and Air-Conditioning Contractors: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
Related PSC codes
- N010 Installation of Equipment – Weapons
- N011 Installation of Equipment – Nuclear Ordnance
- N012 Installation of Equipment – Fire Control Equipment
- N013 Installation of Equipment – Ammunition and Explosives
- N014 Installation of Equipment – Guided Missiles
- N015 Installation of Equipment – Aircraft and Airframe Structural Components
- N016 Installation of Equipment – Aircraft Components and Accessories
- N017 Installation of Equipment – Aircraft Launching, Landing, and Ground Handling Equipment
- N018 Installation of Equipment – Space Vehicles
- N019 Installation of Equipment – Ships, Small Craft, Pontoons, and Floating Docks
Frequently asked questions
What is PSC N056?
N056 is the service code in the federal Product and Service Code (PSC) Manual named “Installation of Equipment – Construction and Building Materials”, under N (Installation of Equipment) and N0 (Installation of Equipment). 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 N056?
Most federal contract dollars under PSC N056 go with NAICS 236220 (Commercial and Institutional Building Construction), 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 N056?
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.
Keep going
Sources: SAM.gov Contract Opportunities, USAspending.gov and the PSC Manual. How we count.