PSC AC24: National Defense R&D Services; Atomic Energy Defense Activities; R&D Administrative Expenses

AC24 is the product and service code (PSC) federal agencies use for national defense r&d services; atomic energy defense activities; r&d administrative expenses, in the r&d – missile & space sys 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
Spending, FY2026
$3.9 billion
Share to small businesses
4%

Where AC24 sits in the PSC Manual

  • Category: Research and Development
  • Group AC: C – National Defense R&D Services
  • Group AC2: R&D – Missile & Space Sys
  • Code AC24: National Defense R&D Services; Atomic Energy Defense Activities; R&D Administrative Expenses

NAICS codes used with PSC AC24

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with AC24 most often:

NAICSIndustrySpent, last 3 years
336414Guided Missile and Space Vehicle Manufacturing$7.7 billion
541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$2.9 billion
541712Research and Development in the Physical, Engineering, and Life Sciences (Except Biotechnology)$956.1 million
541330Engineering Services$691.5 million
541511Custom Computer Programming Services$48.9 million
541720Research and Development in the Social Sciences and Humanities$19.3 million

Who buys under PSC AC24

Agencies with the most contract dollars under AC24 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Department of the Air Force$10.2 billion
Department of the Army$1.2 billion
Missile Defense Agency$869.1 million
Department of the Navy$99.4 million
Defense Logistics Agency$31.7 million
Defense Microelectronics Activity$20.2 million

Federal spending under PSC AC24 by year

Fiscal yearContract obligations
FY2024$5.5 billion
FY2025$2.9 billion
FY2026$3.9 billion
FY2027 (so far)$0

Who wins PSC AC24 contracts

CompanyObligated, last 3 years
Northrop Grumman Systems Corp$7.6 billion
Lockheed Martin Corp$1.8 billion
Lockheed Martin Corporation$803.2 million
Lockheed Martin Corp$660 million
Science Applications International Corporation$506.4 million
Torch Technologies Inc$450.4 million
Range Generation Next LLC$181.2 million
Sonalysts Inc$86.7 million
Alliant Techsystems Operations LLC$67 million
Lockheed Martin Corporation$45.2 million

Related PSC codes

  • AC21 National Defense R&D Services; Atomic Energy Defense Activities; Basic Research
  • AC22 National Defense R&D Services; Atomic Energy Defense Activities; Applied Research
  • AC23 National Defense R&D Services; Atomic Energy Defense Activities; Experimental Development
  • AC25 National Defense R&D SVCS; Atomic Energy Defense Activities; R&D Facilities & Maj Equip
  • AC26 R&D – Defense System: Missile/Space Systems (Management/Support)
  • AC27 R&D – Defense System: Missile/Space Systems (Commercialized)

Frequently asked questions

What is PSC AC24?

AC24 is the research and development code in the federal Product and Service Code (PSC) Manual for national defense r&d services; atomic energy defense activities; r&d administrative expenses, under AC (C – National Defense R&D Services) and AC2 (R&D – Missile & Space Sys). 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 AC24?

Most federal contract dollars under PSC AC24 go with NAICS 336414 (Guided Missile and Space Vehicle Manufacturing), 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 AC24?

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