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 5,500 employees located at 27 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 four wholly-owned subsidiaries:

  • Cardinal IG Company (insulating glass)
  • Cardinal CG Company (coated glass and optical mirrors)
  • Cardinal LG Company (laminated glass)
  • Cardinal FG Company (float and tempered glass)
  • Cardinal ST Company (solar technology)

Cardinal enjoys a broad base of domestic and foreign customers. These include the 48 states, Alaska, Canada, France, Germany, Hungary, Japan, Mexico and Scotland.

Certification programs

Certification programs like these help us make sure that our product designs comply with government safety and durability requirements.

CE Certification

The following Cardinal products have met the requirements of CEN (European Committee for Standardization) certification:

  • Cardinal float glass
  • Cardinal tempered glass
  • Cardinal laminated glass
  • Cardinal coated glass
  • Cardinal insulating glass

CE marked products are available from our manufacturing facilities.

Standards and codes

With compliance with established standards, our inherent quality and product performance are fully recognized.

Trade associations

Cardinal supports industry efforts in research, education and the advancement of building science through work with these organizations.

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