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Manufacturing of current-carrying wiring devices, lampholders, power outlets, precious metal, attachments, plug caps, connector bodies, lightning arrestors, and other miscellaneous current-carrying wiring devices

11,845 FACILITIES
FacilityCityStateEmployeesStatus
Haydon Kerk Motion Solutions, INC.WaterburyCT— ACTIVE
Heckel Tool & Manufacturing CORPEagleWI— ACTIVE
Henderson Machine, INCDeerfield BeachFL— ACTIVE
Heraeus Precious Metals North America Conshohocken LLCConshohockenPA20–99 ACTIVE
High Precision Grinding & Machining, INC.El CajonCA— ACTIVE
High Speed CncSanta ClaraCA— ACTIVE
High Tech Machine Ii CO LimitedHoustonTX20–99 ACTIVE
Highway Machine Co., INC.PrincetonIN— ACTIVE
Hilltop Technology Laboratory, INC.IrvineCA— ACTIVE
Hirsh Precision Products, INCFrederickCO— ACTIVE
Hitec Sensor Developments, INC.ChelmsfordMA— ACTIVE
Hoefner CorporationSouth El MonteCA— ACTIVE
Hogin Machine, INCSanta AnaCA— ACTIVE
Homeyer Precision Manufacturing CO.MarthasvilleMO20–99 ACTIVE
Honeycutt Manufacturing INCMukilteoWA— ACTIVE
Hoppe Technologies, INCChicopeeMA20–99 ACTIVE
Horizon Systems Machining INCKenoshaWI20–99 ACTIVE
Horizon Tech Industries, INC.Fort WorthTX20–99 ACTIVE
Horschel Brothers Precision LLCSpringvilleNY100–499 ACTIVE
Howell Laboratories, INC.GorhamME1–19 ACTIVE
H. P. Machine and Engineering, INC.San JoseCA— ACTIVE
H & S Tool and Engineering, INC.Fall RiverMA20–99 ACTIVE
Huffman Welding & Machine, INC.Fort MadisonIA20–99 ACTIVE
Hughes Machine Shop, INCBogalusaLA— ACTIVE
Husky Precision, INC.RosevilleMI— ACTIVE
Hy-production, LLCValley CityOH20–99 ACTIVE
Icon Machine CO LLCIrvingTX20–99 ACTIVE
Illinois Tool Works INCDes PlainesIL— ACTIVE
Impellimax INCNashuaNH— ACTIVE
I.m.t. Precision, INC.HaywardCA— ACTIVE
Independence Precision Machining, LLCRosevilleCA— ACTIVE
Independence Tooling Solutions LLCTroyMI— ACTIVE
Industrial Alloys INCIndian TrailNC20–99 ACTIVE
Industrial Automation INCSeattleWA— ACTIVE
Industrial Maintenance Company, LLCGallatinTN20–99 ACTIVE
Industrial Motions Engineering, INC.WilmingtonMA— ACTIVE
Industrial Screen & Maintenance, INC.CasperWY— ACTIVE
Industrial Tool & Die CO INCTroyNY— ACTIVE
Infinity Edm, LLCJacksonWI20–99 ACTIVE
Ingleside Machine Co., INC.FarmingtonNY20–99 ACTIVE
Inlyte Energy, INC.San LeandroCA— ACTIVE
Innovative Machining, INC.Forest LakeMN— ACTIVE
Innovative Manufacturing and Design, LLCGreenvilleSC20–99 ACTIVE
Innowave Rf LLCLeanderTX— ACTIVE
Insaco INCQuakertownPA20–99 ACTIVE
Integral Components, INC.WestminsterMD20–99 ACTIVE
Integrated Microwave CorporationSan DiegoCA20–99 ACTIVE
Intellicut IncorporatedMiddletonMA— ACTIVE
Intelligent Tool CORPConcordNC— ACTIVE
Intercon, INC.ForestVA100–499 ACTIVE

FactoryRegistry lists 11,845 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 current-carrying wiring devices, lampholders, power outlets, precious metal, attachments, plug caps, connector bodies, lightning arrestors, and other miscellaneous current-carrying wiring devices, 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. At least 3 establishments reported producing it; the count for 2 of those industries was withheld.

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

Part of Manufacturing of air filters for air conditioners and furnaces, etc., of 2400 CFM or less, excluding parts
Manufacturing of fiber optic cable, for all other applicationsManufacturing of fiber optic cable, for communications applicationsManufacturing of heat transfer coil sales by original equipment manufacturers intended for resale or assembly into equipment by other manufacturers (all types)Manufacturing of aluminum and aluminum-base alloy wire and cable (excluding covered or insulated), including ACSRManufacturing of current-carrying wire connectors for electrical circuitryManufacturing of iron and steel warm air and air-conditioning grills, registers, and air diffusersManufacturing of other noncurrent-carrying wiring device supplies, including electrical junction boxes, switch and outlet wall plates, floor boxes, and coversManufacturing of building wire and cable, made of nonferrous metals, 601 volts or less, used within structures for light and power for permanent installationManufacturing of commercial and industrial central vacuum cleaner systems (including parts and attachments)Manufacturing of flexible metal HVAC hose and tubing (including steel, stainless steel, aluminum, copper, alloys and other metals)Manufacturing of heat transfer central system finned coils (air-conditioning and refrigeration-type)Manufacturing of household vacuum cleaners, complete power units, central-system-typeManufacturing of other flexible HVAC hose and tubing, including rubber, plastics, nylon, and other materials (excluding metal)Manufacturing of parts for dust collection and air purification equipmentManufacturing of power wire and cable, made from nonferrous metals for electric transmission and distributionManufacturing of residential electric lighting fixtures (excluding portable), including parts and accessoriesManufacturing of telecom (low-voltage premise) wire and cable, made of nonferrous metalsManufacturing of water softeners and commercial water heaters, including parts
Industries
Metal FabricatorsElectronics ManufacturersElectrical Equipment ManufacturersAll product lines

NAPCS collection code 2039300000. 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.