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About Cardinal

About Us

Cardinal in brief

Cardinal Glass Industries is a management-owned S-Corporation leading the industry in the development of residential glass for windows and doors. We have grown to more than 6,000 employees located at 37 manufacturing locations around the United States.

At Cardinal, we try to maintain a clear vision: design and fabricate the most advanced residential glass products in the industry.

We start with a heavy investment in research and development. Our twin R&D centers in Minnesota and Wisconsin provide the basis for new advances in glazing fenestration.

We turn around those fresh ideas into useful products that regular homeowners can use. We provide a turnkey solution to window manufacturers: whether it starts with insulating glass, coated, laminated, tempered or just plain float glass, it is all designed to provide the latest in applied glass science.

Company structure

Cardinal Glass Industries is a corporation with these wholly-owned subsidiaries:
Cardinal FG Company (float and high volume tempered glass)

Cardinal CT Company (custom tempered glass)

Cardinal LG Company (laminated glass)
Cardinal CG Company (coated glass and optical mirrors)

Cardinal IG Company (insulating glass)