Cooper Power Systems, Wauskesha, Wis., has awarded commercial and industrial sales representation to Electrotech Inc., Minneapolis, and Apex Electrical Sales, Phoenix. 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. Electrotech has served the Minneapolis and Upper Midwest markets since 1961.

Apex Electrical Sales, established in 2002, now covers Arizona and southern Nevada for Cooper Power Systems. Apex Electrical Sales also represents B-Line, Bussmann, Crouse Hinds, Edison Fuses and Cooper Wiring Devices.

C&O Electric Sales, Overland Park, Kan., has taken on the Crouse-Hinds/Cooper line. The company also represents Cooper's Bussmann, B-Line and Power Systems lines.

The Robert A. Amey Co., Portland, Ore., will represent Klein Tools in Alaska, Idaho, Montana, Oregon and Washington effective Feb. 1, 2010. The company will promote Klein products through authorized wholesale electrical distributors to electrical end users throughout its sales geography.