Public Supply Co.


Headquarters: Oklahoma City, OK

Employees: 105

Product Lines:  Aluminum and vinyl windows and doors

Web Site:

2012 Top 100 Sales Range Category: $15 Million to $30 Million

General Information: The manufacturer of its own line of Diamond Windows & Doors, Public Supply was founded in Oklahoma City in 1946 by two brothers, Ralph and Calvin Wright. After three generations, the company is one of the largest construction industry firms in Oklahoma supplying windows and doors to the residential and commercial markets. With offices in Oklahoma City and Tulsa, it distributes Eagle and Windsor wood windows and doors, Silver Line vinyl windows and doors, and Castlegate and Masonite door systems.

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