Northwestern Sheetmetal

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

• Sheet Metal Contractors
• Sheet Metal Equipment & Supplies
• Sheet Metal Manufacturers

North American Industry Classification System (NAICS) Categories:

• Other Building Finishing Contractors > Sheet Metal & Duct Work > Sheet Metal Contractors
• Sheet Metal Work Manufacturing
• Metal Service Centers And Other Metal Merchant Wholesalers > Sheet Metal Products

Standard Industry Classification (SIC) Categories:

• Roofing, Siding, And Sheet Metal Work > Sheet Metal & Duct Work > Sheet Metal Contractors
• Sheet Metalwork Manufacturer
• Metals Service Centers & Offices > Sheet Metal Products