Gentek

Gentek is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Doors & Windows
• Siding Materials

North American Industry Classification System (NAICS) Categories:

• Home Centers > Garage, Door & Window Products
• Home Centers > Moldings, Paneling & Siding Materials > Siding Materials

Standard Industry Classification (SIC) Categories:

• Lumber & Other Building Materials > Garage, Door & Window Products
• Lumber & Other Building Materials > Moldings, Paneling & Siding Materials > Siding Materials