PSC H263: Equipment and Materials Testing – Alarm, Signal, and Security Detection Systems

H263 is the product and service code (PSC) federal agencies use for “Equipment and Materials Testing – Alarm, Signal, and Security Detection Systems”, in the “Equipment and Materials Testing” 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
Federal contract spending, FY2025
$1.3 million
Share of contract dollars to small businesses, since FY2024
23%

Open count as of Nov 14, 2026, 3:38 PM ET. The search counts live, so its total can differ by a notice or two.

Open PSC H263 contracts with 2+ days to respond

Where H263 sits in the PSC Manual

  • Category: Service
  • Group H: Quality Control, Test, Inspection
  • Group H2: Equipment and Materials Testing
  • Code H263: Equipment and Materials Testing – Alarm, Signal, and Security Detection Systems

NAICS codes used with PSC H263

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with H263 most often:

NAICS codes used with PSC H263
NAICSIndustrySpent, last 3 yearsOpen with PSC H263
541611Administrative Management and General Management Consulting Services$6.4 million—
561621Security Systems Services (except Locksmiths)$2.4 million1
561210Facilities Support Services$741,158—
541519Other Computer Related Services$667,318—
334290Other Communications Equipment Manufacturing$403,509—
334512Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use$184,754—

Open contracts under each code, with any PSC: NAICS 541611 · NAICS 561621 · NAICS 561210 · NAICS 541519 · NAICS 334290 · NAICS 334512

Who buys under PSC H263

Agencies with the most contract dollars under H263 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 H263
AgencyObligated
Transportation Security Administration$6.4 million
Department of Veterans Affairs$1.5 million
Department of the Army$1.4 million
U.S. Coast Guard$431,061
Department of State$400,189
Office of the Chief Financial Officer$209,307
Forest Service$184,735
Indian Health Service$155,157

Federal spending under PSC H263 by year

Federal spending under PSC H263 by fiscal year
Fiscal yearContract obligations
FY2024$1.5 million
FY2025$1.3 million
FY2026 (incomplete)$8.4 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. FY2027 began October 1, 2026; it's left out until Defense data for it starts to arrive.

Who wins PSC H263 contracts

Who wins PSC H263 contracts
CompanyObligated, last 3 years
Science Applications International Corporation$6.4 million
Johnson Controls Fire Protection LP$1.1 million
Occam Solutions, Inc.$902,981
Media Plumbing & Heating Inc$420,012
Santiago Roberto$272,083
LW Enterprises, Inc.$241,855
Communications Resource Inc$209,307
Security & Energy Technologies Corporation$189,575
Miscellaneous Foreign Awardees$177,994
Soloprotect US, LLC$170,906

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 H263 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

  • H210 Equipment and Materials Testing – Weapons
  • H211 Equipment and Materials Testing – Nuclear Ordnance
  • H212 Equipment and Materials Testing – Fire Control Equipment
  • H213 Equipment and Materials Testing – Ammunition and Explosives
  • H214 Equipment and Materials Testing – Guided Missiles
  • H215 Equipment and Materials Testing – Aircraft and Airframe Structural Components
  • H216 Equipment and Materials Testing – Aircraft Components and Accessories
  • H217 Equipment and Materials Testing – Aircraft Launching, Landing, and Ground Handling Equipment
  • H218 Equipment and Materials Testing – Space Vehicles
  • H219 Equipment and Materials Testing – Ships, Small Craft, Pontoons, and Floating Docks

Frequently asked questions

What is PSC H263?

H263 is the service code in the federal Product and Service Code (PSC) Manual named “Equipment and Materials Testing – Alarm, Signal, and Security Detection Systems”, under H (Quality Control, Test, Inspection) and H2 (Equipment and Materials Testing). 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 H263?

Most federal contract dollars under PSC H263 go with NAICS 541611 (Administrative Management and General Management Consulting 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 H263?

Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notice uses PSC H263 right now. FedReady can match new ones to your business and email you, free.

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