PSC AS24: Transportation R&D Services; Aerospace Research; R&D Administrative Expenses

AS24 is the product and service code (PSC) federal agencies use for “Transportation R&D Services; Aerospace Research; R&D Administrative Expenses”, in the “R&D – Trans – Motor Veh” 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
$3,944
Share of contract dollars to small businesses, since FY2024
0%

Open count as of Oct 28, 2026, 8:02 PM ET. The search counts live, so its total can differ by a notice or two.

Where AS24 sits in the PSC Manual

  • Category: Research and Development
  • Group AS: Transportation R&D Services
  • Group AS2: R&D – Trans – Motor Veh
  • Code AS24: Transportation R&D Services; Aerospace Research; R&D Administrative Expenses

NAICS codes used with PSC AS24

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with AS24 most often:

NAICS codes used with PSC AS24
NAICSIndustrySpent, last 3 yearsOpen with PSC AS24
485999All Other Transit and Ground Passenger Transportation$46,601—

Open contracts under each code, with any PSC: NAICS 485999

Who buys under PSC AS24

Agencies with the most contract dollars under AS24 over the last three fiscal years, per USAspending.gov. Each name links to that agency's open contracts and buying history:

Who buys under PSC AS24
AgencyObligated
Federal Prison System / Bureau of Prisons$46,601

Federal spending under PSC AS24 by year

Federal spending under PSC AS24 by fiscal year
Fiscal yearContract obligations
FY2024$42,657
FY2025$3,944
FY2026 (incomplete)$0

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 AS24 contracts

Who wins PSC AS24 contracts
CompanyObligated, last 3 years
Flix North America Inc$46,601

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 AS24 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:

  • 485999 All Other Transit and Ground Passenger Transportation: planned buys. Not available for 485999 yet: who won recently, contracts ending in the next 12 months or large primes that subcontract. Its NAICS page shows who buys it.

Related PSC codes

  • AS21 Transportation R&D Services; Aerospace Research; Basic Research
  • AS22 Transportation R&D Services; Aerospace Research; Applied Research
  • AS23 Transportation R&D Services; Aerospace Research; Experimental Development
  • AS25 Transportation R&D Services; Aerospace Research; Expenses for R&D Facilities and Major Equipment
  • AS26 R&D – Modal Transportation: Surface Motor Vehicles (Management/Support)
  • AS27 R&D – Modal Transportation: Surface Motor Vehicles (Commercialized)

Frequently asked questions

What is PSC AS24?

AS24 is the research and development code in the federal Product and Service Code (PSC) Manual named “Transportation R&D Services; Aerospace Research; R&D Administrative Expenses”, under AS (Transportation R&D Services) and AS2 (R&D – Trans – Motor Veh). 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 AS24?

Most federal contract dollars under PSC AS24 go with NAICS 485999 (All Other Transit and Ground Passenger Transportation), 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 AS24?

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.

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