Main Electric Supply Co.
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Granite City Electric Supply Co.
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Industry association member
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🇺🇸 United States
Description
Granite City Electric Supply Co. is a leading independent electrical distributor and wholesaler based in Quincy, MA, established in 1923. With 201-300 employees and an annual revenue of $282.9 million, the company operates 31 branches across six Northeastern US states, including Massachusetts, Rhode Island, New Hampshire, Vermont, Connecticut, and New York. They specialize in a comprehensive range of electrical supplies, serving electrical contractors, residential, commercial, and industrial customers. Their extensive product portfolio includes conduit and raceways, fittings, controls, distribution equipment, fuses, batteries, generators, lighting (including LED and commercial lighting), wiring, cords, cables, wiring devices, data/telecom equipment, and fire protection. Granite City Electric Supply Co. also features specialized divisions for energy, industrial, switchgear, HVAC, and EV charging solutions, offering a diversified service offering. They distribute products from a wide array of well-known manufacturers and emphasize customer convenience through online account management and quick order options.
Distribution Equipment & Enclosures
Conduit & Raceways
Conduit Fittings, Bodies, Outlet Boxes & Accessories
Generators
Fuses, Batteries, Signaling, Connecting, Fastening & Tools
Fire Protection
Everyday Savings Zone
Controls
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Marshall E. Campbell Company
🇺🇸 United States
188051-100 peopleDistributor/Wholesaler/Service CompanyEstablished brand
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11
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ADVANSA
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🇺🇸 United States
Description
Marshall E. Campbell Company is a fourth-generation family-owned distributor and wholesaler headquartered in Port Huron, Michigan. Founded in 1880, the company has over 140 years of experience serving the industrial electrical, maintenance, repair, and operations (MRO), and electrical construction markets. Operating from four locations totaling over 150,000 square feet, the company employs between 51 and 200 professionals and maintains ISO 9001 certification. The business is organized into three primary divisions: industrial electrical/MRO products, electrical construction supplies, and specialized control and automation solutions for OEM and manufacturing industries. Their extensive inventory includes over 500,000 parts across categories such as hydraulics, pneumatics, power distribution, motors, variable frequency drives (VFD), LED lighting, and hand and power tools. They distribute leading brands including Schneider Electric (Square D), Milwaukee, Parker Hannifin, 3M, and ABB. Beyond product distribution, Marshall E. Campbell Company provides comprehensive technical services such as PLC and HMI programming, application engineering, and hydraulic hose crimping. Their B2B service suite features vendor-managed inventory (VMI), electronic data interchange (EDI) services, and emergency support to optimize total cost of ownership for clients in the automotive, utility, and food and beverage sectors.
Saws & Files
Enclosures
Conduit, Raceway, Duct
Chemicals & Lubricants
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Wire Management
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