FactoryRegistry
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Manufacturing of specific-purpose industrial controls

5,599 FACILITIES
FacilityCityStateEmployeesStatus
OconomowocOconomowocWI100–499 LIKELY ACTIVE
Ogallala Electronic DivisionOgallalaNE20–99 LIKELY ACTIVE
Oh08 Ametek Solidstate ControlsColumbusOH100–499 LIKELY ACTIVE
Oh10 MicropoiseStreetsboroOH20–99 LIKELY ACTIVE
Olb Associates LLCDelafieldWI— LIKELY ACTIVE
OleumTech CorporationFoothill RanchCA20–99 LIKELY ACTIVE
Olympus - SherwoodSherwoodOR20–99 LIKELY ACTIVE
Omaha NE BranchOmahaNE20–99 LIKELY ACTIVE
Omega Engineering - CTNorwalkCT20–99 LIKELY ACTIVE
Omega Engineering, INC.NorwalkCT— LIKELY ACTIVE
Omega Engineering - NJSwedesboroNJ100–499 LIKELY ACTIVE
OmniOn Power IncPlanoTX100–499 LIKELY ACTIVE
Onboard SystemsAnaheimCA1–19 LIKELY ACTIVE
Oncore Microgrid LLCWest FargoND— LIKELY ACTIVE
Onevision CORPWestervilleOH— LIKELY ACTIVE
On-site Switchgear Services LLCSteeleAL— LIKELY ACTIVE
Ontrak Designs INCColumbiaTN— LIKELY ACTIVE
Opconnect, INC.PortlandOR— LIKELY ACTIVE
Operations Procurement & Supply Chain Services INC.Pompano BeachFL— LIKELY ACTIVE
Optica Industries, INC.San FranciscoCA— LIKELY ACTIVE
Orbe Engineering INCIrwindaleCA— LIKELY ACTIVE
Orizon Grove OKGroveOK100–499 LIKELY ACTIVE
OSHA Report for 2025MelbourneFL100–499 LIKELY ACTIVE
Other Miscellaneous Electrical Equipment and Component ManufacturingBellinghamWA100–499 LIKELY ACTIVE
Pa28 CorporateBerwynPA100–499 LIKELY ACTIVE
Pa40 Process InstrumentsPittsburghPA100–499 LIKELY ACTIVE
Pacific Piston Ring CO INCBlue AshOH— LIKELY ACTIVE
Pacific Western Timbers, INC.BremertonWA— LIKELY ACTIVE
Page Technologies, INC.BoulderCO— LIKELY ACTIVE
Pajarito Powder LLCAlbuqueruqueNM20–99 LIKELY ACTIVE
Panametrics LLCBillericaMA— LIKELY ACTIVE
Panasonic Avionics CorporationsIrvineCA500+ LIKELY ACTIVE
Panasonic Avionics Corporations_BothellBothellWA100–499 LIKELY ACTIVE
Panel Control IntegratorsAnnaOH20–99 LIKELY ACTIVE
Paragon Tool Company, INC. theManchesterCT— LIKELY ACTIVE
Para Systems Inc.LewisvilleTX20–99 LIKELY ACTIVE
Parkerhannifin CORPMoncks CornerSC— LIKELY ACTIVE
Parker-hannifin CorporationMentorOH— LIKELY ACTIVE
Park Rapids Aviation, INCPark RapidsMN— LIKELY ACTIVE
Park SeungbaeVestalNY— LIKELY ACTIVE
Particle Measuring Systems, INCNiwotCO— LIKELY ACTIVE
PA WorcesterWorcesterPA100–499 LIKELY ACTIVE
PCC AerostructuresArlingtonTX20–99 LIKELY ACTIVE
Pce Americas INCJupiterFL— LIKELY ACTIVE
PCX AerosystemsNewingtonCT100–499 LIKELY ACTIVE
Pdo-pli Jv, LLCMilwaukeeWI— LIKELY ACTIVE
Pegasus Northwest IncKentWA20–99 LIKELY ACTIVE
Perceptron Inc.PlymouthMI100–499 LIKELY ACTIVE
Perform Air International INCGilbertAZ— LIKELY ACTIVE
Philtec, INCAnnapolisMD— LIKELY ACTIVE

FactoryRegistry lists 5,599 facilities whose primary industry classification is one of the 4 industries above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced specific-purpose industrial controls, 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 4 US manufacturing industries in the 2022 Economic Census, as the most specific line those industries reported. At least 42 establishments reported producing it; the count for 1 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.

Related lines
Manufacturing of printed circuit assemblies, loaded boards and modules (printed circuit boards with inserted electronic components)Manufacturing of all other miscellaneous electronic components, including oscillators (excluding instrumentation and crystal types), static converters, electronic cable harnesses and assemblies, magnetic cores, solenoids, and related partsManufacturing of relays for electronic circuitry, industrial control overload, and switchgear-typeManufacturing of bare printed circuit boardsManufacturing of ferrite microwave components, including yttrium garnets, circulators, isolators, phase shifters, attenuators, equalizers, limiters, and mixersManufacturing of microwave subassemblies, including parametric amplifiers and other solid-state assembliesManufacturing of other microwave devicesManufacturing of reactive microwave componentsManufacturing of switches, coaxial and waveguide
Industries
Electronics ManufacturersElectrical Equipment ManufacturersTransportation Equipment ManufacturersAll product lines

NAPCS collection code 2033975000. 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.