Manufacturing of gaskets and gasketing

Facility	City	State	Employees	Status
LPLydall Performance Materials	Lancaster	PA	20–99	◐ LIKELY ACTIVE
LPLydall Performance Materials (US)	Beaver Falls	NY	20–99	◐ LIKELY ACTIVE
Mack Molding Company, Inc.	Statesville	VT	100–499	◐ LIKELY ACTIVE
MMMack Molding Company - Inman, SC	Inman	SC	100–499	◐ LIKELY ACTIVE
MWMaclean-Fogg Whitewater	Whitewater	WI	20–99	◐ LIKELY ACTIVE
MMMac Motorsports, LLC	Lakeland	FL	—	◐ LIKELY ACTIVE
MPMAC Plastics Manufacturing, Inc.	Olney	IL	20–99	◐ LIKELY ACTIVE
MPMacro Plastics, Inc.	Fairfield CA	CA	20–99	◐ LIKELY ACTIVE
MFMadison Facility	Madison	SD	20–99	◐ LIKELY ACTIVE
MDMaga Defense, LLC	Houston	TX	—	◐ LIKELY ACTIVE
MLMagenta LLC	Lockport	IL	100–499	◐ LIKELY ACTIVE
MEMagna Exteriors Brownstown (2)	Brownstown Township	MI	100–499	◐ LIKELY ACTIVE
MEMagna Exteriors Highland Park (2)	Highland Park	MI	500+	◐ LIKELY ACTIVE
MMMagna Mirrors	Duncan	SC	100–499	◐ LIKELY ACTIVE
MMMagna Mirrors - Grand Haven	Grand Haven	MI	20–99	◐ LIKELY ACTIVE
MMMagna Mirrors-Newaygo Division	Newaygo	MI	500+	◐ LIKELY ACTIVE
MPMagna Powertrain Shelby Township	Shelby Township	MI	100–499	◐ LIKELY ACTIVE
MMMagnum Magnetics Corporation - Caldwell	Caldwell	OH	20–99	◐ LIKELY ACTIVE
MMMagnum Magnetics Corporation - Devola	Marietta	OH	20–99	◐ LIKELY ACTIVE
MTMagnum Tapes & Films	Caldwell	OH	20–99	◐ LIKELY ACTIVE
MBMahle Behr Dayton	1600 Webster Street Dayton, Ohio	OH	500+	◐ LIKELY ACTIVE
MFMahle Filter Systems North America, Inc.	Murfreesboro	TN	100–499	◐ LIKELY ACTIVE
MTMahle Thermal and Fluid Systems Holding USA INC.	Farmington	MI	—	◐ LIKELY ACTIVE
MUMainetti USA	Fletcher	NC	100–499	◐ LIKELY ACTIVE
MRMain RC	Olathe	KS	20–99	◐ LIKELY ACTIVE
MMMannington - Madison LVT	Madison	GA	100–499	◐ LIKELY ACTIVE
MMannington-Salem	Salem	NJ	100–499	◐ LIKELY ACTIVE
MCMantaline Corporation - Hiram	Hiram	OH	20–99	◐ LIKELY ACTIVE
MCMantaline Corporation - San Antonio	San Antonio	TX	1–19	◐ LIKELY ACTIVE
MPManufacturing Plant MMDC	Byhalia	MS	100–499	◐ LIKELY ACTIVE
MMMaple Mold Technologies	Rochester Hills	MI	20–99	◐ LIKELY ACTIVE
MCMar CO Industries CORP.	Fajardo	PR	—	◐ LIKELY ACTIVE
MDMarcum Development LLC	Wooster	OH	—	◐ LIKELY ACTIVE
MCMarian Chicago	West Chicago	IL	20–99	◐ LIKELY ACTIVE
MMMarian Mexico	El Paso	TX	20–99	◐ LIKELY ACTIVE
MMMarian Milwaukee	Menomonee Falls	WI	20–99	◐ LIKELY ACTIVE
MSMarion Silverline Extrusion	Marion	OH	20–99	◐ LIKELY ACTIVE
MNMariplast North America	Greer	SC	20–99	◐ LIKELY ACTIVE
MPMarkey Paper & Packaging, INC.	Zieglerville	PA	—	◐ LIKELY ACTIVE
MIMartinrea Intl	Auburn Hills	MI	100–499	◐ LIKELY ACTIVE
MCMarvin Composites - Fargo	Fargo	ND	100–499	◐ LIKELY ACTIVE
MCMarvin Composites - Salem	Salem	VA	100–499	◐ LIKELY ACTIVE
MMMarvin Modern - Fargo	Fargo	ND	100–499	◐ LIKELY ACTIVE
MWMarvin Windows and Doors - Kansas City	Kansas City	KS	20–99	◐ LIKELY ACTIVE
MWMarvin Windows and Doors - Roanoke	Roanoke	VA	500+	◐ LIKELY ACTIVE
MMMaryland Metals	Sparrows Point	MD	20–99	◐ LIKELY ACTIVE
MLMasterMold LLC Johnson Creek	Johnson Creek	WI	100–499	◐ LIKELY ACTIVE
MSMaster Spas (Indiana)	Fort Wayne	IN	500+	◐ LIKELY ACTIVE
MSMaster Spas (Michigan)	Grand Rapids	MI	1–19	◐ LIKELY ACTIVE
MDMaterial & Design Solutions (Cunningham)	Houston	TX	20–99	◐ LIKELY ACTIVE

FactoryRegistry lists 10,663 facilities whose primary industry classification is one of the 6 industries above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced gaskets and gasketing, nonmetallic, 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 6 US manufacturing industries in the 2022 Economic Census, as the most specific line those industries reported, where 408 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 2031425000. 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.