Protection and Control for the Power Industry,
Since 1964

Controlling power delivery and generation infrastructure requires precision. Keystone Electrical Manufacturing Company has been meeting the stringent requirements of the power industry since 1964. Our focus is on engineering and manufacturing control systems that combine the best craftmanship with on time delivery and competitive prices. Quality is evident in every shipment we deliver.

Electrical Manufacturing

Keystone operates a vertically integrated facility, from design engineering and sheet metal fabrication to assembly, wiring, and testing. We custom design and manufacture systems to meet the unique specifications of each customer.

A pioneer in innovative manufacturing practices, Keystone has implemented Lean manufacturing throughout the organization. This keeps overhead low and allows us to win a large portion of our work through the competitive bid process.

Engineering Services

Our engineering team is at your side to manage the entire project. Dedicated project managers help finalize all documentation, including bills of material, panel fabrication and layout drawings, schematics, and wiring diagrams.


• Investor owned utilities • Public power entities • Cooperatives • Engineering firms • EPC/BOP contractors • Merchant power companies • Original Equipment Manufacturers •