Manufacturing of other heating system products, including wall and baseboard heating units, boilers, expansion tanks, mechanical stokers, nonelectric prefabricated metal fireplaces, electric swimming pool heaters, direct-fired water heater tanks, oil and

Facility	City	State	Employees	Status
Gaskets Orings Rubber INC	Plains	MT	—	● ACTIVE
Gaskets & Sealing Solutions Engineering LLC	Hillsborough	NJ	—	● ACTIVE
Gcn Supply LLC	Rancho Cucamonga	CA	—	● ACTIVE
Gld Company LLC	Delmont	PA	—	● ACTIVE
Han-boone International, INC.	Fort Worth	TX	—	● ACTIVE
Harvest Thermal, INC.	Kensington	CA	—	● ACTIVE
Havtech Supply LLC	Columbia	MD	—	● ACTIVE
Heat Energy Systems Company, INC.	Springfield	TN	—	● ACTIVE
Heat Wagons INC	Valparaiso	IN	—	● ACTIVE
Hla Defense Supply INC	Apopka	FL	—	● ACTIVE
Honeywell International INC	Englewood	CO	—	● ACTIVE
Hotfoil - Ehs, INC.	Hamilton	NJ	—	● ACTIVE
Hotstart Sales, LLC	Spokane Valley	WA	—	● ACTIVE
HPHutchinson Precision Sealing Systems, INC.	Auburn Hills	MI	—	● ACTIVE
IHIcebox Heat Pumps INC.	Petaluma	CA	—	● ACTIVE
Indian Industries, LLC	Arlington	TX	—	● ACTIVE
Industrial Packing INC.	Bangor	ME	—	● ACTIVE
Industrial Rubber and Gasket Co, L.l.c.	Alexandria	LA	—	● ACTIVE
Infinity Thermal CORP.	Charlton	MA	—	● ACTIVE
IAInstruments and Controls, INC.	Westminster	MD	—	● ACTIVE
International Thermal Research INC.	Vancouver	WA	—	● ACTIVE
Jetseal INC	Spokane Valley	WA	—	● ACTIVE
KUKalrez Usa, LLC	Newark	DE	100–499	● ACTIVE
K. R. Anderson, INC	Morgan Hill	CA	—	● ACTIVE
La Favorite Industries INC.	Paterson	NJ	—	● ACTIVE
LILamatek INC	Paulsboro	NJ	—	● ACTIVE
Lgs Technologies LP	Lancaster	TX	—	● ACTIVE
Mcbrown, Incorporated	Mukilteo	WA	—	● ACTIVE
Mechanical Research & Design, INC.	Manitowoc	WI	—	● ACTIVE
Mesco CORP	Portsmouth	RI	—	● ACTIVE
Metal Tech Industries, INC.	Iowa Falls	IA	—	● ACTIVE
Mf Fire INC	Baltimore	MD	—	● ACTIVE
Mid-south Packing and Seals, LLC	Maumelle	AR	—	● ACTIVE
MFMidwest Fiberglas Fabricators, Incorporated	Marine City	MI	—	● ACTIVE
Midwest Radiant Heaters, LLC	Omaha	NE	—	● ACTIVE
Mineral Seal Corporation	Tucson	AZ	—	● ACTIVE
Mitchtech LLC	Carrollton	TX	—	● ACTIVE
Munaco Sealing Solutions INC	Greenville	SC	—	● ACTIVE
New England Braiding CO. INC.	Manchester	NH	—	● ACTIVE
PSParadox Sales LLC	Warren	OH	—	● ACTIVE
Phelps Industrial Products, LLC	Laurel	MD	—	● ACTIVE
P-m Indistrial, INC	Easton	PA	—	● ACTIVE
Pna Technologies, LLC	Jamaica	NY	—	● ACTIVE
Pneu-draulics, Incorporated	Nicholasville	KY	—	● ACTIVE
PTPolymod Technologies, INC.	Fort Wayne	IN	—	● ACTIVE
Power Plus International, INC.	Mcdonough	GA	—	● ACTIVE
Precision Gasket Company	Minneapolis	MN	—	● ACTIVE
Premium Sales and Sealing LLC	Las Vegas	NV	—	● ACTIVE
Proseals Usa, INC	Duncan	SC	—	● ACTIVE
Pss Seal, LLC	Lynnwood	WA	—	● ACTIVE

FactoryRegistry lists 1,088 facilities whose primary industry classification is one of the 2 industries above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced other heating system products, including wall and baseboard heating units, boilers, expansion tanks, mechanical stokers, nonelectric prefabricated metal fireplaces, electric swimming pool heaters, direct-fired water heater tanks, oil and, in the shares shown above, and does not say which establishments. Where a plant’s own website or a federal registry names what that plant makes, it appears on the plant’s own page with the source named.