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General Services Administration (GSA): NAICS 561621 — Security Systems Services (Except Locksmiths)

1open solicitations

$3.2Mobligated in FY2026

10contracts ending within 18 months

Open solicitations

IRS Intrusion Detection System, C. Clifton Young Federal Building & US CourthouseGSA PBS · Small Business Set Aside - Total · Due 14 October 2026

How GSA NAICS 561621 spends

FY2021$3.9M

FY2022$4.7M

FY2023$5.1M

FY2024$3.2M

FY2025$2.7M

FY2026$3.2M

Contract obligations by federal fiscal year (October–September), from USASpending.gov award data. IDIQ ceilings are excluded. * The current year is partial, and USASpending lags 4–8 weeks.

GSA NAICS 561621 contracts expiring in the next 18 months

10 contracts worth $3.8M.

Incumbent	Buyer	What	Value	Ends	Est. solicitation	Record
SOUTHEASTERN SECURITY PROFESSIONALS LLC	GSA PBS	561621 Security Systems Services (Except Locksmiths)	$47K	30 November 2026	Now / imminent	USASpending
ACHUTI LLC	GSA PBS	561621 Security Systems Services (Except Locksmiths)	$117K	31 December 2026	Now / imminent	USASpending
ALARMCO, INC.	GSA PBS	561621 Security Systems Services (Except Locksmiths)	$193K	31 May 2027	~Q4 2026	USASpending
DIGITRONICS, INC.	GSA PBS	561621 Security Systems Services (Except Locksmiths)	$47K	31 May 2027	~Q4 2026	USASpending
JOHNSON CONTROLS SECURITY SOLUTIONS LLC	GSA PBS	561621 Security Systems Services (Except Locksmiths)	$301K	15 June 2027	~Q4 2026	USASpending
FORD INDUSTRIES INC.	GSA PBS	561621 Security Systems Services (Except Locksmiths)	$143K	30 June 2027	~Q1 2027	USASpending
E-MC ELECTRICAL, INC.	GSA PBS	561621 Security Systems Services (Except Locksmiths)	$1.4M	17 July 2027	~Q1 2027	USASpending
KASTLE SYSTEMS LLC	GSA FAS	561621 Security Systems Services (Except Locksmiths)	$600K	31 July 2027	~Q1 2027	USASpending
KASTLE SYSTEMS LLC	GSA FAS	561621 Security Systems Services (Except Locksmiths)	$988K	28 September 2027	~Q2 2027	USASpending
GLOBAL GRAB TECHNOLOGIES, INC.	GSA PBS	561621 Security Systems Services (Except Locksmiths)	$37K	31 October 2027	~Q2 2027	USASpending

Contracts and task orders from USASpending.gov (FPDS) whose period of performance ends within 18 months, valued at $25K or more, excluding IDIQ ceilings and government-owned, contractor-operated facility contracts. Co-terminous orders from the same vendor, agency, NAICS and PSC ending in the same month are grouped. The solicitation date is an estimate (about six months before the contract ends): FedSift does not know whether a follow-on has been posted, so check SAM.gov.

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