Potelco, Inc.

Potelco, Inc. provides comprehensive infrastructure construction solutions for energy and utility clients throughout the Northwest. Founded in 1965 and based in Sumner, Washington, the company specializes in transmission and distribution system construction and maintenance, substation services, street lighting installation and repair, underground utility work, and renewable energy projects. Potelco also offers engineering and design services, project management, and twenty-four-hour emergency response capabilities.

The company serves utility clients across transmission voltages from 69KV to 345KV and maintains an extensive fleet of specialized equipment. Potelco employs over 1,400 people across 16 regional offices and has established expertise in working on energized distribution systems, railroad electrical and fiber-optics projects, and electric vehicle charging infrastructure. The company emphasizes safety, quality assurance, and on-time project completion across projects of varying complexity and scope.