DVM Manufacturing, LLC - West Chester | West Chester | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| EPEast Penn Lyons Station | Lyon Station | PA | Electrical Equipment, Appliance & Component Manufacturing335911 | 500+ | ◐ LIKELY ACTIVE |
| ECEaton Corporation | Warrendale | PA | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◐ LIKELY ACTIVE |
| ECEaton Corporation | Marcus Hook | PA | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◐ LIKELY ACTIVE |
| EAElectronic Associates INC | Norristown | PA | Electrical Equipment, Appliance & Component Manufacturing335929 | — | ◐ LIKELY ACTIVE |
| EPEPC Power Pittsburg | Pittsburg | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | 1-19 | ◐ LIKELY ACTIVE |
| FFulmer | Export | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | 20-99 | ◐ LIKELY ACTIVE |
| GRGE Renewable Energy | Charleroi | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | 500+ | ◐ LIKELY ACTIVE |
| GUGraftech USA LLC | Saint Marys | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | 20-99 | ◐ LIKELY ACTIVE |
| HEHuntingdon Electric Motor Service | Huntingdon | PA | Electrical Equipment, Appliance & Component Manufacturing335312 | 20-99 | ◐ LIKELY ACTIVE |
| INInnomotics New Kensington | New Kensington | PA | Electrical Equipment, Appliance & Component Manufacturing335314 | 100-499 | ◐ LIKELY ACTIVE |
| KHKatharos Holdings-usa, INC. | Wayne | PA | Electrical Equipment, Appliance & Component Manufacturing335910 | — | ◐ LIKELY ACTIVE |
| LELehigh Electric Products Company | Allentown | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | 1-19 | ◐ LIKELY ACTIVE |
| LELutron Electronics CO INC | Coopersburg | PA | Electrical Equipment, Appliance & Component Manufacturing335139 | — | ◐ LIKELY ACTIVE |
| LELutron Electronics Co., Inc - Conshohocken | Conshohocken | PA | Electrical Equipment, Appliance & Component Manufacturing335931 | 20-99 | ◐ LIKELY ACTIVE |
| MSMagnetic Specialties Inc. | Telford | PA | Electrical Equipment, Appliance & Component Manufacturing335311 | 20-99 | ◐ LIKELY ACTIVE |
| MManchester | Manchester | PA | Electrical Equipment, Appliance & Component Manufacturing335931 | 1-19 | ◐ LIKELY ACTIVE |
| MJMason James Lighting and Supply, LLC | Finleyville | PA | Electrical Equipment, Appliance & Component Manufacturing335139 | — | ▲ REPORTED CLOSED |
| MMeppi2526 | Freedom | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | 20-99 | ◐ LIKELY ACTIVE |
| MMeppi512-510 | Warrendale | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| MMeppi520 | Warrendale | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| MMeppi530 | Warrendale | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | 100-499 | ◐ LIKELY ACTIVE |
| MMeppi547 | Warrendale | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | 100-499 | ◐ LIKELY ACTIVE |
| MUMersen USA GS - GMI Corp | Topton | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | 20-99 | ◐ LIKELY ACTIVE |
| MUMersen USA Gs - Gmi CORP. | Topton | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◐ LIKELY ACTIVE |
| MUMersen USA GS - GMI Corp - Robesonia | Robesonia | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | 1-19 | ◐ LIKELY ACTIVE |
| MUMersen USA GS - NAC Corp | Punxsutawney | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | 20-99 | ◐ LIKELY ACTIVE |
| MUMersen USA St Marys | Saint Marys | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | 100-499 | ◐ LIKELY ACTIVE |
| MTMoon Township N Sales Pa | Moon Township | PA | Electrical Equipment, Appliance & Component Manufacturing335314 | 500+ | ◐ LIKELY ACTIVE |
| MAMorgan Advanced Materials | East Stroudsburg | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | 20-99 | ◐ LIKELY ACTIVE |
Motion Systems Irwin | Irwin | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | 100-499 | ◐ LIKELY ACTIVE |
| PCPENN-UNION Co. LLC | Edinboro | PA | Electrical Equipment, Appliance & Component Manufacturing335931 | 20-99 | ◐ LIKELY ACTIVE |
| PEPhiladelphia Engineering Office | Philadelphia | PA | Electrical Equipment, Appliance & Component Manufacturing335931 | 20-99 | ◐ LIKELY ACTIVE |
| P1Pine 101 | Grove City | PA | Electrical Equipment, Appliance & Component Manufacturing335314 | 20-99 | ◐ LIKELY ACTIVE |
Pittsburgh Coastal Energy, INC. | Pittsburgh | PA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◐ LIKELY ACTIVE |
| RUR.E. Uptegraff Manufacturing Company, LLC | Scottdale | PA | Electrical Equipment, Appliance & Component Manufacturing335311 | 20-99 | ◐ LIKELY ACTIVE |
| RRReynolds & Reynolds Electronics, Inc. | Bethlehem | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | 20-99 | ◐ LIKELY ACTIVE |
| SKSEL King of Prussia PA | King of Prussia | PA | Electrical Equipment, Appliance & Component Manufacturing335314 | 20-99 | ◐ LIKELY ACTIVE |
| STSignal Technologies, Inc. | Erie | PA | Electrical Equipment, Appliance & Component Manufacturing335122 | 20-99 | ◐ LIKELY ACTIVE |
| SPSpang Power Electronics - PA | Sandy Lake | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | 20-99 | ◐ LIKELY ACTIVE |
| SEStryten Energy, LLC - Pittsburgh | Bridgeville | PA | Electrical Equipment, Appliance & Component Manufacturing335911 | 1-19 | ◐ LIKELY ACTIVE |
| SSSunbelt Solomon Services- PASH | Sharon | PA | Electrical Equipment, Appliance & Component Manufacturing335311 | 100-499 | ◐ LIKELY ACTIVE |
| TATechnical Applications INC | Broomall | PA | Electrical Equipment, Appliance & Component Manufacturing335314 | — | ◐ LIKELY ACTIVE |
| TETesla Energy Solutions LLC | Springfield | PA | Electrical Equipment, Appliance & Component Manufacturing335932 | — | ◐ LIKELY ACTIVE |
| UIUnity21 INC | Philadelphia | PA | Electrical Equipment, Appliance & Component Manufacturing335139 | — | ◐ LIKELY ACTIVE |
| USUpper Saint Clair | Pittsburgh | PA | Electrical Equipment, Appliance & Component Manufacturing335210 | 20-99 | ◐ LIKELY ACTIVE |
| WFWatt Fuel Cell CORP. | Mount Pleasant | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◐ LIKELY ACTIVE |
| WCWest Chester | West Chester | PA | Electrical Equipment, Appliance & Component Manufacturing335210 | 100-499 | ◐ LIKELY ACTIVE |
| 1H1040 Hickory Rd | Dalmatia | PA | Electrical Equipment, Appliance & Component Manufacturing335929 | — | ◇ UNVERIFIED |
| 1S11th & Susquehanna Ave | Huntingdon | PA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |