PSC Y1JB: Construction of Testing and Measurement Buildings

Y1JB is the product and service code (PSC) federal agencies use for construction of testing and measurement buildings, in the construction of buildings 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
$168.8 million
Share to small businesses
22%

Open contracts with PSC Y1JB, due soonest

Where Y1JB sits in the PSC Manual

  • Category: Service
  • Group Y: Construct of Structures/Facilities
  • Group Y1: Construction of Buildings
  • Code Y1JB: Construction of Testing and Measurement Buildings

NAICS codes used with PSC Y1JB

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Y1JB most often:

NAICSIndustrySpent, last 3 years
236220Commercial and Institutional Building Construction$245.2 million
236210Industrial Building Construction$9.3 million
237130Power and Communication Line and Related Structures Construction$6.9 million
541690Other Scientific and Technical Consulting Services$311,400

Who buys under PSC Y1JB

Agencies with the most contract dollars under Y1JB over the last three fiscal years, per USAspending.gov:

AgencyObligated
Department of the Navy$198.5 million
Department of the Army$28 million
Department of the Air Force$22.4 million
National Aeronautics and Space Administration$9.6 million
Public Buildings Service$2.6 million
Departmental Offices$490,000

Federal spending under PSC Y1JB by year

Fiscal yearContract obligations
FY2024$46.1 million
FY2025$46.8 million
FY2026$168.8 million
FY2027 (so far)$0

Who wins PSC Y1JB contracts

CompanyObligated, last 3 years
Walsh Federal LLC$165.8 million
Whiting-Turner Contracting Company, the$32.5 million
Four Tribes Civil Construction LLC$22.4 million
Healtheon, Inc$9.3 million
Evergreen Contractors LLC$8.1 million
Per-Geesh Construction Corporation$6.9 million
Tatitlek Universal Services Inc$6.8 million
Kunj Construction Corporation$4.2 million
BL Harbert International LLC$2.6 million
Korte Construction Company$2.1 million

Related PSC codes

  • Y111 Construction of Office Buildings
  • Y112 Construct/Conf Space & Fac
  • Y119 Construct/Other Admin & SVCS BLDGS
  • Y121 Construct/Air Traffic Cont Towers
  • Y122 Construct/Air Traffic Training Fac
  • Y123 Construct/Radar & Navigational Fac
  • Y124 Construction of Airport Runways
  • Y125 Construction of Airport Terminals
  • Y126 Construct/Missile System Facilities
  • Y127 Construct/Elct & Comm System Fac

Frequently asked questions

What is PSC Y1JB?

Y1JB is the service code in the federal Product and Service Code (PSC) Manual for construction of testing and measurement buildings, under Y (Construct of Structures/Facilities) and Y1 (Construction of Buildings). 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 Y1JB?

Most federal contract dollars under PSC Y1JB 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 Y1JB?

Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notices use PSC Y1JB right now. FedReady can match new ones to your business and email you, free.

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