Manufacturing of seat and back springs for motor vehicles, valve springs, and other wire springs for machinery and transportation equipment (excluding suspension system springs)

Facility	City	State	Employees	Status
Fan Disc Corporation	Sun Valley	CA	—	● ACTIVE
Hoosier Spring CO INC	South Bend	IN	—	● ACTIVE
JHJ Howard Service Group, INC.	Los Alamitos	CA	—	● ACTIVE
Juengermann, INC.	Ventura	CA	—	● ACTIVE
Katy Spring & Manufacturing INC	Katy	TX	—	● ACTIVE
LSLee Spring Company LLC	Brooklyn	NY	20–99	● ACTIVE
LSLesjofors Springs America INC	Pittston	PA	20–99	● ACTIVE
Matthew Warren INC	Greer	SC	—	● ACTIVE
Matthew Warren INC	Houston	TX	—	● ACTIVE
Matthew Warren, INC.	Essex	MD	—	● ACTIVE
Matthew Warren, INC.	Commerce	CA	—	● ACTIVE
Nelson Products, INC.	Arvada	CO	—	● ACTIVE
Newcomb Spring CORP.	Gastonia	NC	—	● ACTIVE
Pepka Spring CO INC	Kokomo	IN	—	● ACTIVE
Renton Coil Spring Company	Renton	WA	—	● ACTIVE
R & G Springs Co., INC.	Elgin	IL	—	● ACTIVE
Royal Coil INC	Woodstock	IL	—	● ACTIVE
Specialty Spring INC	Fenton	MO	—	● ACTIVE
Spring Design and Manufacturing, INC.	Shelby Township	MI	—	● ACTIVE
Spring Manufacturing CORP	Tewksbury	MA	—	● ACTIVE
Titan Spring, INC.	Hayden	ID	—	● ACTIVE
Vulcan Spring & Mfg. CO.	Telford	PA	—	● ACTIVE
DCDuer Carolina Coil Incorporated	Greer	SC	100–499	◐ LIKELY ACTIVE
GSGilco Spring of Florida, INC.	Oldsmar	FL	—	◐ LIKELY ACTIVE
ISIdc Spring	Mesa	AZ	20–99	◐ LIKELY ACTIVE

FactoryRegistry lists 242 facilities whose primary industry classification is one of the 1 industry above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced seat and back springs for motor vehicles, valve springs, and other wire springs for machinery and transportation equipment (excluding suspension system springs), 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.