THE HISTORY 

of

HEIN ELECTRIC SUPPLY COMPANY

1946

Erv Hein began Hein Electric Supply Company and incorporated in downtown Milwaukee (6th &Wells). Come summer, Sid Kohlenberg joined Hein Electric.

1947

Erv Hein sold the company to Sid Kohlenberg.

1951

Sid moved Hein Electric to a new location downtown (6th & State), where the company shared the space with a local Milwaukee Newspaper published from 1888 to 1961, the Kuryer Polski.

1969

Hein Electric Supply moved to a new building to serve customers better, on 5th and Cherry. This location still serves as the downtown Milwaukee location to this day. 

1971

The second generation of the company and Sid Kohlenberg's son, Ron, joined Hein Electric Supply Company as an outside salesman.

1983

The first Hein Electric Supply branch location opened in Menomonee Falls, WI.

1984

Hein Electric Supply opened up it's 3rd location in Waukesha, WI on September 14th. 

1985

Hein Electric Supply opened it's 4th location in Oak Creek, WI. 

1987

Hein Electric Supply opened up in Grafton, WI. 

1989

Hein Electric Supply opened up it's 6th location in Pewaukee, WI. 

1990

Ron Kohlenberg became President of Hein Electric Supply Company.  Sid Kohlenberg became Chairman of the Board. The company also opened it's 7th location in West Bend, WI.

2000

Hein Electric moved it's Corporate Headquarters location from downtown Milwaukee to Brookfield, WI. (Keeping the downtown location as a Service Center)

2005

Hein Electric Supply opened it's 9th location in Oconomowoc, WI. 

2006

Hein Electric Supply celebrates 60 years of operations! 

2011

Hein Electric celebrated 65 years as Southeast Wisconsin's largest locally owned independent electrical distributor!

2016

Hein Electric relocated it's Headquarters to 2030 S. 116th Street, West Allis, WI, where we currently are to this day.

2021

Hein Electric Supply Company celebrates its 75th Year Anniversary as a company! Happy Birthday Hein!