Square D

Square D

Company type	Subsidiary
Industry	Electrical equipment
Predecessor	McBride Manufacturing (1902–1908) Detroit Fuse and Manufacturing (1908–1917)
Founder	Bryson Dexter Horton
Headquarters	Andover, Massachusetts , U.S.
Area served	North America, South America
Products	electrical equipment
Brands	Square D, QO, Homeline
Number of employees	17,102[1]
Parent	Schneider Electric
Website	www.se.com/us/en/

Square D is an American manufacturer of electrical equipment headquartered in Andover, Massachusetts. Square D is a flagship brand of Schneider Electric, which acquired the company in 1991.

The company was listed on the New York Stock Exchange for 55 years prior to its acquisition without reporting financial loss in any calendar quarter, paying out 220 consecutive quarterly dividends to shareholders.