PSC K023: Modification of Equipment – Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles

K023 is the product and service code (PSC) federal agencies use for “Modification of Equipment – Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles”, in the “Modification 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
3
Federal contract spending, FY2025
$38.2 million
Share of contract dollars to small businesses, since FY2024
9%

Open count as of Oct 28, 2026, 5:43 PM ET. The search counts live, so its total can differ by a notice or two.

Open PSC K023 contracts with 2+ days to respond

Showing 2 of 3: the soonest due with 2+ days left to respond. The other one is due later, closes within 2 days or has no deadline.

  • Request for Proposal for Project Manager Mounted Armored Vehicle Logistic Fielding Support Services

    Department of Defense · Department of the Army

    ✦ The Army is soliciting a new five-year, single-award IDIQ contract for logistics fielding support for several armored vehicle families, including Armored Multi-Purpose Vehicle,…

    Equipment repair & maintenance

    Due in 7 daysNov 4, 2026, 1:00 PM UTC-4

  • K - 4,000-Gallon Water Tender Unit

    Department of Agriculture · Forest Service · Bend, OR

    ✦ The U.S. Forest Service (contracting office USDA-FS CSA Northwest 3) wants one 4,000-gallon water tender tank bought and installed on a Forest Service 2021 Kenworth T880 truck…

    Aircraft, ship & vehicle partsSmall business

    Due in 12 daysNov 9, 2026, 3:00 PM PSTThe AI summary flags this date. Check SAM.gov.

See all 3 open PSC K023 contracts →

Where K023 sits in the PSC Manual

  • Category: Service
  • Group K: Modification of Equipment
  • Group K0: Modification of Equipment
  • Code K023: Modification of Equipment – Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles

NAICS codes used with PSC K023

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with K023 most often:

NAICS codes used with PSC K023
NAICSIndustrySpent, last 3 yearsOpen with PSC K023
541330Engineering Services$87.9 million—
541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$3 million—
336212Truck Trailer Manufacturing$2.6 million1
336120Heavy Duty Truck Manufacturing$2.3 million—
336211Motor Vehicle Body Manufacturing$1.2 million—
541990All Other Professional, Scientific, and Technical Services$1 million—
811111General Automotive Repair—2

Open contracts under each code, with any PSC: NAICS 541330 · NAICS 541715 · NAICS 336212 · NAICS 336120 · NAICS 336211 · NAICS 541990 · NAICS 811111

On open notices right now, the most K023 work comes from Department of Defense (2) and Department of Agriculture (1).

Who buys under PSC K023

Agencies with the most contract dollars under K023 over the last three fiscal years, per USAspending.gov. Each name links to that agency's open contracts and buying history:

Federal spending under PSC K023 by year

Federal spending under PSC K023 by fiscal year
Fiscal yearContract obligations
FY2024$28 million
FY2025$38.2 million
FY2026 (incomplete)$35.9 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 K023 contracts

Who wins PSC K023 contracts
CompanyObligated, last 3 years
BAE SystemsListed as BAE Systems Land and Armaments L.P.$84.9 million
CACI, Inc. - Federal$3 million
The Pennsylvania State University$3 million
Wartech Engineering LLC$2.5 million
Oshkosh Defense LLC$1.4 million
Reliance Construction Management Company$1 million
Techops Specialty Vehicles, LLC$809,384
Global Enterprise, Inc$410,658
Esi Equipment Inc$329,836
Bluetech, LLC$328,103

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 K023 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:

Related PSC codes

  • K010 Modification of Equipment – Weapons
  • K011 Modification of Equipment – Nuclear Ordnance
  • K012 Modification of Equipment – Fire Control Equipment
  • K013 Modification of Equipment – Ammunition and Explosives
  • K014 Modification of Equipment – Guided Missiles
  • K015 Modification of Equipment – Aircraft and Airframe Structural Components
  • K016 Modification of Equipment – Aircraft Components and Accessories
  • K017 Modification of Equipment – Aircraft Launching, Landing, and Ground Handling Equipment
  • K018 Modification of Equipment – Space Vehicles
  • K019 Modification of Equipment – Ships, Small Craft, Pontoons, and Floating Docks

Frequently asked questions

What is PSC K023?

K023 is the service code in the federal Product and Service Code (PSC) Manual named “Modification of Equipment – Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles”, under K (Modification of Equipment) and K0 (Modification 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 K023?

Most federal contract dollars under PSC K023 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 K023?

Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 3 open notices use PSC K023 right now. FedReady can match new ones to your business and email you, free.

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