Electrical equipment manufacturers in South Carolina
South Carolina has 48 electrical equipment makers in EPA records, facilities that list codes for motors, transformers, switchgear, wire and wiring devices. The most are in Duncan, Greenwood and Greenville. That is 2% of the 2,373 such facilities nationwide, and South Carolina ranks #18 of 50 states.
- Product
- Electrical equipment manufacturers
- Facilities
- 48
- State rank
- #18
- NAICS
- 335311 and 8 related codes
- Revised
- November 1, 2026
Facilities in South Carolina
These are active facilities in EPA's ECHO database that list a code for motors, transformers, switchgear, wire and wiring devices. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.
| Facility | City | What EPA lists |
|---|---|---|
| Generac Power Systems Trenton | Trenton | Motor and Generator Manufacturing |
| Dodge Industral | Belton | Motor and Generator Manufacturing |
| Maclean Power Systems York | York | Noncurrent-Carrying Wiring Device Manufacturing |
| Maddox Industrial Transformer LLC | Greer | Power, Distribution, and Specialty Transformer Manufacturing |
| Maddox Industrial Transformer LLC | Simpsonville | Power, Distribution, and Specialty Transformer Manufacturing |
| Siemens Industry Inc | Roebuck | Power, Distribution, and Specialty Transformer Manufacturing |
| Afl Telecommunications 110 Hidden Lake Facility | Duncan | Noncurrent-Carrying Wiring Device Manufacturing |
| Core Transformers LLC | Seneca | Power, Distribution, and Specialty Transformer Manufacturing |
| Piedmont Dielectrics Corporation | Woodruff | Power, Distribution, and Specialty Transformer Manufacturing |
| Caterpillar Inc Newberry | Newberry | Motor and Generator Manufacturing |
| Cutler Hammer Greenwood | Greenwood | Power, Distribution, and Specialty Transformer Manufacturing |
| Cutler Hammer Incorporated | Sumter | Power, Distribution, and Specialty Transformer Manufacturing |
| E&i Engineering USA Corp | Anderson | Switchgear and Switchboard Apparatus Manufacturing |
| Goodrich Corporation Turbine Component Service | Hodges | Switchgear and Switchboard Apparatus Manufacturing |
| Hubbell Power Systems Inc | Aiken | Noncurrent-Carrying Wiring Device Manufacturing |
| Square D Company | Hopkins | Switchgear and Switchboard Apparatus Manufacturing |
| 104 Hidden Lake Circle | Duncan | Noncurrent-Carrying Wiring Device Manufacturing |
| 110 Hidden Lake Circle | Duncan | Fiber Optic Cable Manufacturing |
| ABB Inc | Florence | Power, Distribution, and Specialty Transformer Manufacturing |
| Afl 1171 Howell Road | Duncan | Noncurrent-Carrying Wiring Device Manufacturing |
| Afl Global | Duncan | Fiber Optic Cable Manufacturing |
| Afl Telecommunications LLC | Duncan | Noncurrent-Carrying Wiring Device Manufacturing |
| Alliedsignal:closed | Orangeburg | All Other Miscellaneous Electrical Equipment and Component Manufacturing |
| Challenger Electric Company | Pageland | Current-Carrying Wiring Device Manufacturing |
| Cooper Power Systems LLC | Greenwood | All Other Miscellaneous Electrical Equipment and Component Manufacturing |
| Cooper Power Systems LLC | Jonesville | Power, Distribution, and Specialty Transformer Manufacturing |
| Cooper Wiring Devices | Georgetown | Current-Carrying Wiring Device Manufacturing |
| Crimson Electric Inc | Greer | Motor and Generator Manufacturing |
| Culter Hammer-Pcso Division | Greenwood | Switchgear and Switchboard Apparatus Manufacturing |
| Darby Electric Company Inc | Anderson | Motor and Generator Manufacturing |
| Eaton Corporation | Greenwood | Switchgear and Switchboard Apparatus Manufacturing |
| Ec&m Company LLC | Saint Matthews | Relay and Industrial Control Manufacturing |
| Elesienna LLC | Batesburg | Switchgear and Switchboard Apparatus Manufacturing |
| Flex | West Columbia | All Other Miscellaneous Electrical Equipment and Component Manufacturing |
| General Electric Coatings | Greenville | Motor and Generator Manufacturing |
| Hitachi Rail Sts USA Inc | Batesburg | Switchgear and Switchboard Apparatus Manufacturing |
| Integrated Power Services LLC | N Charleston | Motor and Generator Manufacturing |
| Joslyn Clark Controls | Lancaster | Relay and Industrial Control Manufacturing |
| Meyer Tool Greenville Div | Greenville | Relay and Industrial Control Manufacturing |
| Nexans High Voltage USA Inc | Goose Creek | Other Communication and Energy Wire Manufacturing |
Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.
Where they are
- Duncan: 7
- Greenwood: 4
- Greenville: 3
- Greer: 2
- Simpsonville: 2
- Seneca: 2
By product code
- Power, Distribution, and Specialty Transformer Manufacturing (NAICS 335311): 9 of those shown
- Motor and Generator Manufacturing (NAICS 335312): 7 of those shown
- Switchgear and Switchboard Apparatus Manufacturing (NAICS 335313): 7 of those shown
- Noncurrent-Carrying Wiring Device Manufacturing (NAICS 335932): 6 of those shown
- Relay and Industrial Control Manufacturing (NAICS 335314): 3 of those shown
- All Other Miscellaneous Electrical Equipment and Component Manufacturing (NAICS 335999): 3 of those shown
- Fiber Optic Cable Manufacturing (NAICS 335921): 2 of those shown
- Current-Carrying Wiring Device Manufacturing (NAICS 335931): 2 of those shown
- Other Communication and Energy Wire Manufacturing (NAICS 335929): 1 of those shown
All electrical equipment and appliances manufacturing in South Carolina: 75 facilities and Census job counts.