Top 39 Electrical Component Manufacturers in South Carolina 2026
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FirmsLedger lists 39 electrical component manufacturers headquartered in South Carolina. The largest clusters are in Greenville (6), Columbia (5), Charleston (4) and Spartanburg (2), and the other 22 are in 21 more cities. Greenville listings include Piedmont Electrical Distributors of Greenville, Advanced Cable Bus, Gold Path Solar and 3 others.
By specialty, South Carolina has electrical wire & cable (20), solar panels (10) and switchgear (2) listings.
| Company | City | Specialty | Phone | Website |
|---|---|---|---|---|
| Maddox Industrial Transformer | Greer | Transformer design and manufacturing (padmount, substation, polemount, dry-type) | (800) 270-2011 | maddox.com |
| Midcon Cables Company | North Myrtle Beach | Build-to-print cable assembly | (843) 272-6165 | midconcables.com |
| Westinghouse Electric Co LLC | Hopkins | Nuclear reactor design and engineering | (803) 647-1000 | westinghousenuclear.com |
| Winar Connection | Spartanburg | Custom cable assembly | (330) 659-6161 | winar.com |
| Cable & Connections | West Columbia | Networking cable distribution | (803) 936-0190 | cableandconnections.com |
| Cable Conveyor Systems Inc | Columbia | Custom conveyor system design and build | (803) 786-9576 | cableconveyor.com |
| Cablecraft Motion Controls | St Matthews | Control cable manufacturing (push and push-pull) | (803) 655-7300 | cablecraft.com |
| Colite Technologies | Columbia | Commercial solar installation | (803) 935-9052 | colitetech.com |
| Meiden America Switchgear, Inc. | Gray Court | High-voltage vacuum circuit breaker manufacturing (72.5 kV, 145 kV) | (864) 601-9090 | meidenamericaswitchgear.com |
| Piedmont Electrical Distributors of Greenville, Inc. | Greenville | Electrical product distribution | (864) 232-5352 | piedmontelectrical.com |
All Electrical Equipment & Components in South Carolina
Maddox Industrial Transformer
Greer, South Carolina400+ employees
Maddox Industrial Transformer was founded in 2015 by a group of transformer industry veterans led by Camden Spiller in Simpsonville, South Carolina. The company is headquartered in Battle Ground, Washington, and operates seven facilities across the United States, including locations in Greer, Pelham, Fountain Inn, and Woodruff, South Carolina; Batavia, Ohio; Moscow, Idaho; and Houston, Texas.
Westinghouse Electric Co LLC
Hopkins, South Carolina12,500 employees
Westinghouse Electric Co LLC is headquartered in Hopkins, South Carolina. The company traces its origins to 1869 when George Westinghouse founded Westinghouse Electric, beginning a legacy of engineering innovation that later extended into nuclear energy.
Winar Connection
Spartanburg, South Carolina
Winar Connection, a family-run business founded in 1982, operates from its headquarters in Spartanburg, South Carolina, with additional facilities in Richfield, Ohio. The company describes itself as American-made and American-owned, built on decades of people and process experience combined with investment in state-of-the-art equipment.
Meiden America Switchgear, Inc.
Gray Court, South Carolina
Meiden America Switchgear, Inc. is headquartered in Gray Court, South Carolina, near Greenville.
Piedmont Electrical Distributors of Greenville, Inc.
Greenville, South Carolina
Piedmont Electrical Distributors of Greenville, Inc. was founded in 1985 in Greenville, South Carolina, by Tim Franke and his partner with the goal of becoming the electrical supplier for the region's construction and industrial markets.
- Second Sunrise SolarMt Pleasant, South Carolina
- Southeast SolarProsIrmo, South Carolina
- Wildcat ElectronicsFountain Inn, South Carolina
- AFL - CableDuncan, South Carolina
- Advanced Cable Bus, Inc.Greenville, South Carolina
- All Wiring NeedsCharleston, South Carolina
- Boss EnergyCharleston, South Carolina
- Carolina Wiring Service, LLCColumbia, South Carolina
- Daedalus IndustrialEasley, South Carolina
- Gold Path SolarGreenville, South Carolina
- Grand Central WiringGreenville, South Carolina
- IWG High Performance ConductorsInman, South Carolina
- KB Solar Manufacturer - Wholesaler - DistributorSpartanburg, South Carolina
- O'Callaghan Cable ServicesSummerville, South Carolina
- Prysmian North AmericaLexington, South Carolina
- SCSP SolarCharleston, South Carolina
- Santee Wire Products IncHolly Hill, South Carolina
- Southeastern WireHemingway, South Carolina
- Holder Electric Supply Inc.Greenville, South Carolina
- Hounen Solar America Inc.Orangeburg, South Carolina
- Legacy Solar SolutionsCharleston, South Carolina
- Palmetto Cabling SolutionsRock Hill, South Carolina
- Perfection SolarGreenville, South Carolina
- Prysmian Power Cables & SystemsAbbeville, South Carolina
- Tedss.comNorth Charleston, South Carolina
- Electric Control & Supply IncColumbia, South Carolina
- The Cable GuysColumbia, South Carolina
- Nexans High Voltage USA Inc. - CharlestonGoose Creek, South Carolina
- Surplus Material Network, IncWest Columbia, South Carolina
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