- Standard Iron & Wireworks Inc
- Steel Designs
- Stockton Iron Works
- Storybook Metal Shop
- Superior Iron Range
- Sussex County Iron Works
- Swan Ornamental Iron Inc
- Tarheel Metal Craft
- Ted's Ornamental Iron
- Theodore A Docteur Inc
- Tired Iron Tractor Repairs
- Tony's Welding & Iron Works
- Top Mechanical
- Town & Country Fence
- Tremmel Construction Spec
- Two Brothers Iron Works
- V & G Iron Works Corp
- Valley Placers Inc
- Valley View Iron Works
- Vargas Ironworks
- Vegas Valley Iron
- Versa Iron & Mach Customer Svc
- Vicmar's Iron Works LLC
- Virtual Iron
- Vulcan Iron Works
- Vulcraft Corp
- Waddell Iron & Steel
- Weld-Right
- West Side Iron Works
- West Side Iron Works
- Westwood Iron Works
- Winnepesaukee Forge
- Woven Steel
- Wravenwrought Crafts
- Wrought Iron Ctr
- Wrought Iron Ctr
- Wrought Iron Ctr
- Y & G Metal Werks
- Yor Iron
