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The manuals on this site are intended to help people that need old manuals.  However, if a Company or individual that have the copyright on anything on the site and you want it removed contact me and I will remove it.  Thanks Jonathan This email address is being protected from spambots. You need JavaScript enabled to view it.

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SEL Manuals are no longer available on ElectricalManuals.net.  If you are in need of a SEL manual, you will have to go to www.SELinc.com setup an account and find the manual.  If the manual is not on their site you will need to contact SEL.

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Who is Whom

Who Owns Whom?

Aug 1, 2004 12:00 PM

This list is a handy resource when you can't find a company. Many of these brands were once independent companies that have been acquired by larger corporations over the last 20 years. Some of these brands live on, while others are not actively promoted. The brand names are in bold type with the parent following the slash.

A.B. Chance/Hubbell


Allen-Bradley/Rockwell Automation

Appleton/EGS Electrical Group

Blackburn/Thomas & Betts

B-Line/Cooper Industries


Bussmann/Cooper Industries

CEFCO/British General Electric Co. (English Electric Fuse Corp.)

Challenger Electrical Equipment Corp./(Westinghouse)/Cutler-Hammer/Eaton Corp.

Crouse-Hinds/Cooper Industries

Edison/Cooper Industries


Furnas Electric Co./Siemens

GEC Alsthom/Ferraz Shawmut

Gould Shawmut/Carbone Ferraz

ITE (Breakers/Controls)/Siemens

ITE (Protective Relays)/ABB

M. Stephens Manufacturing/Intermatic

McGraw-Edison/Cooper Industries

McGraw-Edison OCB/Pennsylvania Transformer

Merlin Gerin/Schneider Electric

Modicon/Square D (Schneider Electric)

Reliance Electric/Siemens Energy and Automation

Siemens Electromechanical Components/Tyco

Sola/Hevi-Duty/EGS Electrical Group

Sprecher+Schuh/Rockwell Automation

Square D/Schneider Electric

T.J. Cope/Tyco

Telemecanique/Schneider Electric

Texas Instruments controls division/Siemens Energy and Automation

Westinghouse Electric Corp.(Breakers/Contactors/Controls)/Cutler-Hammer/Eaton Corp.

Westinghouse Electric Corp.(Protective Relays)/ABB

Westinghouse lamps/North American Philips (now Philips Lighting)