![]() PRL Glass Systems PRL Glass Systems is a manufacturing company that provides glass and mirror stock sheets to the glazing industry. | ![]() Cornerstone Building Brands Cornerstone Building Brands (formerly known as NCI Building Systems) is a company that manufactures exterior building products for commercial, residential, repair, and remodel construction sectors. | ![]() Siniat Australia Siniat Australia (previously known as Knauf Australia) is a manufacturer of metal products. | |||
Founding Date | Founding Date 1989 | Founding Date 1991 | Founding Date 1975 | Founding Date 1932 | Founding Date 2005 |
Type | Type Private | Type Private | Type Private | Type Subsidiary | Type Private |
Tags | |||||
Locations | Locations HQ | Locations Cary, US HQ | Locations Watford, GB HQ | Locations Matraville, AU HQ | Locations Torrelles de Llobregat, ES HQ |
Employees | Employees 47 | Employees 18,000 | Employees 47 | Employees 33 | Employees 14 |

Cornerstone Building Brands (formerly known as NCI Building Systems) is a company that manufactures exterior building products for commercial, residential, repair, and remodel construction sectors.
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