United Steel Service

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

• Sheet Metal Contractors
• Steel Processing & Fabricating Equipment

North American Industry Classification System (NAICS) Categories:

• Other Building Finishing Contractors > Sheet Metal & Duct Work > Sheet Metal Contractors
• Industrial Machinery And Equipment Merchant Wholesalers > Metal Working Machinery > Steel Processing & Fabricating Equipment

Standard Industry Classification (SIC) Categories:

• Roofing, Siding, And Sheet Metal Work > Sheet Metal & Duct Work > Sheet Metal Contractors
• Industrial Machinery & Equipment > Metal Working Machinery > Steel Processing & Fabricating Equipment