Port Welding Service Inc is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Iron & Iron Work
• Railings
• Welding Contractors
• Mechanical Contractors
• General Contractors Steel Fabricators & Erectors

North American Industry Classification System (NAICS) Categories:

• Structural Steel And Precast Concrete Contractors > Iron Work
• Plumbing, Heating, And Air-Conditioning Contractors > Mechanical Contractors
• Fabricated Structural Metal Manufacturing
• Lumber, Plywood, Millwork, And Wood Panel Merchant Wholesalers > Building Materials, External > Railings
• Commercial And Industrial Machinery And Equipment (Except Automotive And Electronic) Repair And Maintenance

Standard Industry Classification (SIC) Categories:

• General Contractors - Nonresidential Buildings, Other Than Industrial Buildings And Warehouses > Nonresidential Construction, By Type
• Plumbing, Heating And Air Conditioning > Mechanical Contractors
• Structural Steel Erection > Iron Work
• Lumber, Plywood, & Millwork > Building Materials, External > Railings
• Welding Repair