PSC M1NB — Operation of Heating and Cooling Plants: federal contracts

$13.4Mobligated in FY2025

+26.4%change FY2024→FY2025

0open solicitations

8new awards, last 12 months

Buyers by office, new entrants and recompetes in FedSift →

Open solicitations

No open solicitations carry this PSC right now.

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What PSC M1NB covers

Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Facilities & Construction › Facility Related Services.

FY2022$7.0M

FY2023$7.6M

FY2024$10.6M

FY2025$13.4M

FY2026*$19.1M

FY2027*$53K

USASpending.gov contract obligations by federal fiscal year of the action. * A year that ended under 120 days ago is still filling in.

Who is winning new PSC M1NB work

Contractors ranked by obligations on awards that started FY2024–FY2027 to date.

Contractor	Obligations	Awards
NVT TECHNOLOGIES INC	$20.2M	1
LOGZONE INC	$2.6M	3
S. M. LAWRENCE COMPANY, INC.	$1.0M	2
ELEKTRO-KRUECK-GMBH, ELEKTROINSTALLATIONEN	$968K	1
ABB INC.	$939K	1
U.S. VET GENERAL CONTRACTING, LLC	$807K	2
SENTINEL SERVICES, LLC	$755K	1
BROTHERS MECHANICAL SERVICES LLC	$714K	3
COHO TECHNOLOGY SOLUTIONS, LLC	$509K	2
CALDAIA CONTROLS LLC	$386K	1

How competitive is PSC M1NB?

93.2% of obligations on these awards were competed.
89.9% went to small businesses.
The five largest contractors hold 88.7% across 13 contractors.

NAICS codes used on PSC M1NB awards

NAICS	Industry	Share
561210	Facilities Support Services	78.7%
561320	Temporary Help Services	6.3%
238220	Plumbing, Heating, and Air-Conditioning Contractors	6.1%
811210	Electronic and Precision Equipment Repair and Maintenance	3.2%
333415	Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing	2.8%
221310	Water Supply and Irrigation Systems	2.6%
221320	Sewage Treatment Facilities	0.2%
325998	All Other Miscellaneous Chemical Product and Preparation Manufacturing	0.1%

Related PSC codes

J045 Maint/Repair/Rebuild of Equipment: Plumbing, Heating, and Waste Disposal Equipment · J041 Maint/Repair/Rebuild of Equipment: Refrigeration, Air Conditioning, and Air Circulating Equipment · Z1AA Maintenance of Office Buildings · J065 Maint/Repair/Rebuild of Equipment: Medical, Dental, and Veterinary Equipment and Supplies · Z1JZ Maintenance of Miscellaneous Buildings

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