Gentek

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

• Aluminum Products
• Building Materials & Supplies
• Sheet Metal Contractors

North American Industry Classification System (NAICS) Categories:

• Other Building Finishing Contractors > Sheet Metal & Duct Work > Sheet Metal Contractors
• All Other Home Furnishings Stores > Homefurnishings Accessories > Aluminum Products
• Other Building Material Dealers

Standard Industry Classification (SIC) Categories:

• Roofing, Siding, And Sheet Metal Work > Sheet Metal & Duct Work > Sheet Metal Contractors
• Lumber & Other Building Materials
• Miscellaneous Homefurnishings Stores > Homefurnishings Accessories > Aluminum Products