MECHANICAL SYSTEMS TESTING AND BALANCING LLC

HENRICO, VA, 23228

Unclaimed

Other Than Small Business

Subcontracting experience

5 records from government sources. Past participation is not evidence of current teaming interest.

Role	Agency	Description	Vehicle	Obligated	Action date	Period
Subcontractor	Department of Defense	MECHANICAL SYSTEMS TESTING AND BALANCING 00700.24.026.00 Parent award context Parent award agency: Department of Defense · Department of the Navy Parent award NAICS: 561210 Parent award performance state: VA Parent award description: X036 OPTION IV FUNDING View parent award on USAspending	N4008520D0040USAspending	$80,900	Apr 1, 2024	— – —
Subcontractor	Department of Justice	NEW ROOF COMMISSIONING SERVICES FBI-MSTB-1 Parent award context Parent award agency: Department of Justice · Federal Bureau of Investigation Parent award NAICS: 541330 Parent award performance state: VA Parent award description: TECHNICAL SUPPORT TO OPTIMIZE BUILDING ENERGY PERFORMANCE AND COMMISSIONING AT MULTIPLE FBI OWNED OR OPERATED SITES. View parent award on USAspending	GS21F046DAUSAspending	$40,753	Apr 18, 2023	— – —
Subcontractor	Department of Defense	COMMISSIONING 22-0620010 Parent award context Parent award agency: Department of Defense · Department of the Navy Parent award NAICS: 236220 Parent award performance state: FL Parent award description: P832 CONSTRUCTION OF FITNESS CENTER View parent award on USAspending	N6945021D0060USAspending	$38,100	Feb 16, 2023	— – —
Subcontractor	Department of Defense	COMMISSIONING SERVICES 20-1223012 Parent award context Parent award agency: Department of Defense · Department of the Navy Parent award NAICS: 236220 Parent award performance state: VA Parent award description: X003 P-1049 DB V-10, 20, 24 & 3 ENERGY PROJECT, INSTALL GENERATOR View parent award on USAspending	N4008519D9069USAspending	$14,200	Nov 29, 2022	— – —
Subcontractor	Department of Defense	TOTAL BUILDING COMMISSIONING 21-0420021 Parent award context Parent award agency: Department of Defense · Department of the Navy Parent award NAICS: 236220 Parent award performance state: NC Parent award description: X005 DESIGN-BUILD CONTRACT FOR BOTH P-4639 AND P-4638. P4638 WILL View parent award on USAspending	N4008520D0034USAspending	$48,400	Jun 13, 2022	— – —

Contract vehicles are shown only when present in the source record. Linked award numbers and vehicles open the authoritative record on USAspending.gov.

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Identifiers

UEI: E2ZMMLMKWR24
CAGE: 5J3S6
Website: http://www.mstbcxgroup.com

NAICS codes

238220Plumbing, Heating, and Air-Conditioning Contractors(definition)
541350Building Inspection ServicesPrimary(definition)

Data sources

SAM.gov monthly extract
ID E2ZMMLMKWR24 · fetched Oct 25, 2026 · source
USAspending.gov
ID recipient:E2ZMMLMKWR24 · fetched Oct 26, 2026 · source

Last synced Oct 25, 2026 · profile updated Oct 25, 2026

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Government-sourced data comes from SAM.gov, SBA and USAspending.gov and is attributed to its source. Items marked company-reported were provided by the company and are verified by FedSub only where labeled. FedSub is a private company and is not affiliated with SBA, GSA/SAM.gov, or any government agency.