PSC AC33: National Defense R&D Services; Defense – Related Activities; Experimental Development

AC33 is the product and service code (PSC) federal agencies use for national defense r&d services; defense – related activities; experimental development, in the r&d – ships 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
40
Spending, FY2026
$3.2 billion
Share to small businesses
20%

Open contracts with PSC AC33, due soonest

Where AC33 sits in the PSC Manual

  • Category: Research and Development
  • Group AC: C – National Defense R&D Services
  • Group AC3: R&D – Ships
  • Code AC33: National Defense R&D Services; Defense – Related Activities; Experimental Development

NAICS codes used with PSC AC33

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with AC33 most often:

NAICSIndustrySpent, last 3 years
336411Aircraft Manufacturing$3.5 billion
541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$2.9 billion
541330Engineering Services$1.3 billion
541712Research and Development in the Physical, Engineering, and Life Sciences (Except Biotechnology)$416.9 million
541511Custom Computer Programming Services$216.6 million
334290Other Communications Equipment Manufacturing$185.7 million
541714Research and Development in Biotechnology (except Nanobiotechnology)On 1 open

Who buys under PSC AC33

Agencies with the most contract dollars under AC33 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Department of the Army$4.2 billion
Department of the Air Force$1.7 billion
Department of the Navy$1.2 billion
Defense Threat Reduction Agency$603.1 million
Federal Acquisition Service$521.3 million
Defense Logistics Agency$428.7 million
Defense Microelectronics Activity$75.1 million
U.S. Special Operations Command$17.3 million

Federal spending under PSC AC33 by year

Fiscal yearContract obligations
FY2024$2.5 billion
FY2025$3 billion
FY2026$3.2 billion
FY2027 (so far)$0

Who wins PSC AC33 contracts

CompanyObligated, last 3 years
Bell Textron Inc$3.4 billion
General Dynamics Mission Systems, Inc.$866.9 million
DCS Corporation$416.5 million
Seacorp, LLC$216.7 million
Applied Research Associates, Inc.$194.7 million
Raytheon Company$179.5 million
Ist Research, LLC$141 million
Mag DS Corp$130.9 million
Prescient Edge Corporation$117.9 million
Icr, Inc.$114.6 million

Related PSC codes

  • AC31 National Defense R&D Services; Defense – Related Activities; Basic Research
  • AC32 National Defense R&D Services; Defense – Related Activities; Applied Research
  • AC34 National Defense R&D Services; Defense – Related Activities; R&D Administrative Expenses
  • AC35 National Defense R&D SVCS; Defense – Related Activities; R&D Facilities & Maj Equip
  • AC36 R&D – Defense System: Ships (Management/Support)
  • AC37 R&D – Defense System: Ships (Commercialized)

Frequently asked questions

What is PSC AC33?

AC33 is the research and development code in the federal Product and Service Code (PSC) Manual for national defense r&d services; defense – related activities; experimental development, under AC (C – National Defense R&D Services) and AC3 (R&D – Ships). 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 AC33?

Most federal contract dollars under PSC AC33 go with NAICS 336411 (Aircraft 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 AC33?

Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 40 open notices use PSC AC33 right now. FedReady can match new ones to your business and email you, free.

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