Cooper's agreement with Electrotech covers territories throughout South Dakota, North Dakota, Minnesota and western Wisconsin. Electrotech also represents Cooper B-line, Crouse Hinds and the Cooper Lighting Streetworks division, while Apex Electrical Sales also represents B-Line, Bussmann, Crouse Hinds, Edison Fuses, and Cooper Wiring Devices.

Formed in 2002, Apex Electrical Sales covers Arizona and southern Nevada. Electrotech has served the Minneapolis and Upper Midwest markets since 1961.