Double H

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

• Building Materials & Supplies
• Carpet, Rug & Linoleum Dealers
• Door & Gate Operating Devices
• Windows Installations & Sales

North American Industry Classification System (NAICS) Categories:

• Framing Contractors > Window & Door Installation > Windows Installations
• Floor Covering Stores > Carpets, Rugs & Accessories
• Other Building Material Dealers > Garage, Door & Window Products > Door & Gate Operating Devices
• Other Building Material Dealers > Garage, Door & Window Products > Windows Retail

Standard Industry Classification (SIC) Categories:

• Carpentry Work > Window & Door Contractors > Windows Installations
• Lumber & Other Building Materials > Garage, Door & Window Products > Door & Gate Operating Devices
• Lumber & Other Building Materials > Garage, Door & Window Products > Windows Retail
• Floor Covering Stores > Carpets, Rugs & Accessories