- Rural Machine & Iron Works
- Ryan Iron Works Inc
- S A Morman & Co
- Saf-Lok Scaffolding Inc
- Sargeant's Ornamental Iron Co
- Sargeant's Ornamental Iron Co
- Security Iron Co Inc
- Shapard Manufacturing
- Shelby Steel Products Inc
- Smith Welding & Iron Works
- Source Garden Art
- South Attleboro Welding Corp
- Specialties In Wrought Iron
- Specialty Fabricating Co
- Specialty Stairs & Misc Fab
- Sproles Gutter & Iron Works
- Srs Inc
- Stafan M Churyk Ironworks
- Stamford Iron & Steel Works
- Stan Paresa Fencing Specialist
- Steel General Inc
- Steelmaster Ornamental Iron Co
- Steps Plus Inc
- Sunset Rail
- Sunshine Guardrail Corp
- Sunshine Welding Shop
- Superior Aluminum Products Inc
- Superior Iron Inc
- Swiss Ornamental Iron
- T J Mc Kenna Ornamental Iron
- T Q Jones Designs
- Taflan Steel Fabricators Inc
- Tate Access Floors Inc
- Tatum Ornamental Iron Works
- Tee Pee Fence & Rail Corp
- Thrifty Iron Works
- Toledo Ironworks
- Toledo Ironworks
- Treasure Coast Ornamental Iron
- Tree People
- Tri State Flag Ctr
- Tropical Welding & Fabricating
- TXL Rack & Mezzanine Systems
- U S Aluminum Products Inc
- V & R Designs
- Valley Ornamental Iron
- Vanguard Manufacturing Co
- Vega Metals Inc
- Village Forge Inc
- Ville Platte Iron Works
- Vistawall
- WACO Scaffolding & Equipment
- Wasco Lawn & Power Inc
- Wasco Lawn & Power Inc
- Wells Ornamental Iron Shop
- West Coast Precast Inc
- White's Ornamental Iron Works
- Wiederrick's Custom Metalworks
- Wilcox Steel
- Wolek's Ornamental Iron Works
- Woodruff Specialties
- Z-Enterprises