Kastle Systems LLC

Kastle Systems LLC is a small business in Falls Church, VA registered on SAM.gov to bid on federal contracts. It has won about $3.8 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.

UEI
QNG6P3YKN7F6
CAGE code
9M714
SAM.gov registration
Active

Registration details

Legal business nameKastle Systems LLC
Unique Entity ID (UEI)QNG6P3YKN7F6
CAGE code9M714
LocationFalls Church, VA
SAM.gov registrationActive through Sep 18, 2027
Business started1996
Primary NAICS code561621: Security Systems Services (except Locksmiths)
Websitewww.kastle.com

Federal contract history

Fiscal yearPrime contract obligations
FY2023$2.7 million
FY2024$2 million
FY2025$1.1 million
FY2026$2.6 million

Its biggest federal customers over the last four fiscal years: Federal Acquisition Service ($1.6 million), U.S. Customs and Border Protection ($1.2 million), Securities and Exchange Commission ($1.2 million), Commodity Futures Trading Commission ($866,763) and Small Business Administration ($644,020).

Recent contract awards

AwardedAgencyWhat it's forAmount
Sep 28, 2026Federal Acquisition ServiceSba enterprise physical security initiative physical security$988,046
Aug 13, 2026U.S. Customs and Border ProtectionSecurity services$260,118
Jul 21, 2026Departmental OfficesKastle security system management services$30,399
May 20, 2026Office of Procurement OperationsKastle card operations and maintenance$7,809
May 1, 2026Commodity Futures Trading CommissionKastle security system changes for cftc's headquarters and regional office locations$40,719
Mar 27, 2026Kastle physical access control system (pacs) card reader infrastructure and the…$131,513

Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.

NAICS codes Kastle Systems LLC is small under

On its SAM.gov registration, Kastle Systems LLC meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.

  • 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
  • 517122 Agents for Wireless Telecommunications Services

Open contracts in Kastle Systems LLC's NAICS codes

31 open federal opportunities on SAM.gov use a NAICS code Kastle Systems LLC is small under. These are due soonest.

  • Radios for Tuba City Boarding School

    Department of the Interior · Bureau of Indian Affairs

    Electrical & electronic componentsIndian enterprise

    Due in 2 daysOct 12, 2026

  • Industry Day - GPS-Enabled Monitoring Devices

    Department of Justice · Federal Prison System / Bureau of Prisons · Washington, DC

    Electrical & electronic components

    Due in 2 daysOct 12, 2026

  • ANTENNA

    Dept of Defense · Dept of the Navy

    ✦ NAVSUP Weapon Systems Support has posted a solicitation for an antenna (PSC 5985), but the notice text lists only contract clauses and gives no description of the item, quantity…

    Electrical & electronic components

    Due in 3 daysOct 13, 2026

  • COUPLER,TRANSMISSION L

    Dept of Defense · Defense Logistics Agency

    Electrical & electronic components

    Due in 4 daysOct 14, 2026

  • NATO Request for Information: Tactical Voice and Data Bridge for LANDCOM

    Department of Commerce · Bureau of Industry and Security

    Electrical & electronic components

    Due in 4 daysOct 14, 2026

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Similar small businesses

Other small businesses with the same primary NAICS code (561621) that have won federal contracts, starting with Virginia:

Frequently asked questions

What is Kastle Systems LLC's CAGE code?

Kastle Systems LLC's CAGE code is 9M714. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.

What is Kastle Systems LLC's UEI?

Kastle Systems LLC's Unique Entity ID (UEI) is QNG6P3YKN7F6. SAM.gov assigns the UEI, and it identifies the business across the federal government.

Is Kastle Systems LLC's SAM.gov registration active?

Yes, as of the latest SAM.gov public data, Kastle Systems LLC's registration is active through sep 18, 2027. Registrations are renewed every year.

Is Kastle Systems LLC a small business?

Kastle Systems LLC is registered on SAM.gov as small under 2 NAICS codes. Size is set per NAICS code, so a business can be small for some contracts and not others.

Keep going

Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To ask us to remove this page, email hello@fedready.us.