Manufacturing of parts and attachments for industrial fuel-fired furnaces, ovens, and kilns

Facility	City	State	Employees	Status
Laclede Chain Manufacturing Company, LLC	Fenton	MO	1–19	● ACTIVE
Lancaster Metals Science CORP	Lancaster	PA	20–99	● ACTIVE
Landscape Structures INC	Delano	MN	500+	● ACTIVE
Latitude CORP.	Verona	WI	100–499	● ACTIVE
Lewco INC	Sandusky	OH	500+	● ACTIVE
Little Falls Machine INC	Little Falls	MN	20–99	● ACTIVE
Machinists, INC.	Seattle	WA	100–499	● ACTIVE
Magellan Aerospace Processing Long Island INC	West Babylon	NY	—	● ACTIVE
Marathon Cutting Die INC	Wheeling	IL	20–99	● ACTIVE
Marco Group, INC.	Neosho	MO	20–99	● ACTIVE
Marine Travelift INC	Sturgeon Bay	WI	100–499	● ACTIVE
M-d Building Products, INC.	Oklahoma City	OK	500+	● ACTIVE
Mech Tronics CORP	Melrose Park	IL	20–99	● ACTIVE
MCMeco CORP	Greeneville	TN	100–499	● ACTIVE
Mersen USA Ptt CORP	Boonton	NJ	100–499	● ACTIVE
MCMetal Components LLC	Grand Rapids	MI	—	● ACTIVE
Metal Forms Corporation	Milwaukee	WI	20–99	● ACTIVE
Metal Improvement Company, LLC	Livermore	CA	20–99	● ACTIVE
Metal Improvement Company, LLC	Romulus	MI	20–99	● ACTIVE
MIMetal Improvement Company, LLC.	Windsor	CT	20–99	● ACTIVE
Metallics INC	Onalaska	WI	100–499	● ACTIVE
Metalworks INC	Ludington	MI	100–499	● ACTIVE
Metglas, INC	Conway	SC	100–499	● ACTIVE
Mid State Machine Products	Winslow	ME	100–499	● ACTIVE
Midwest Metal Products CO	Cedar Rapids	IA	20–99	● ACTIVE

FactoryRegistry lists 6,052 facilities whose primary industry classification is one of the 3 industries above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced parts and attachments for industrial fuel-fired furnaces, ovens, and kilns, 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.

The U.S. Census Bureau recorded this product line in 3 US manufacturing industries in the 2022 Economic Census, as the most specific line those industries reported, where 135 establishments reported producing it.

These are counts of establishments by industry: the Economic Census publishes them as industry totals and never as a list of plants.

NAPCS collection code 2044550000. Source for the product line, the establishment counts and the shares: U.S. Census Bureau, 2022 Economic Census (ECNNAPCSIND2022). Federal source data is public domain. Facility records are compiled separately by FactoryRegistry and carry their own sources.