- Unistrut
 - Offers a wide range of metal framing systems and applications. - Catnic
- Manufacturer and supplier of steel lintels, stainless steel mesh, and other building products and components.
- Roll Formed Parts and Shapes
- Directory of manufacturers of roll formed parts and materials.
- SteelAds.com
- Offers ads and access to online global trading information of immediate value to sellers, buyers, agents, dealers, and other parties in respect to steel, metals, ores, and other commodities of international trade.
- Empire Steel Erectors
- Specialises in structural steel and concrete tiltwall erection.
- US Steel Construction
- Supplier of coated steel sheet products for use in roofing, siding, and framing applications.
- Amerimax Building Products
- Manufacturer of aluminium coil, patio covers, pergolas, Caravan siding & doors, and vinyl windows for home improvement contractors.
- Design and Build with Metal
- Dedicated to delivering news and information about metal construction products such as metal roofing, metal wall systems, metal buildings, and cold-formed steel framing.
- Drive Rite Piering System
- Manufactures steel piers and other foundation repair products. Includes a network of foundation repair and underpinning contractors specialising in home and commercial applications.
- Earth Contact Products, L.L.C.
- Maker of steel piers and foundation repair products such as helical and plate anchors, micro pile brackets, and helical piers. Includes a network of foundation repair contactors specialising in residential and commercial structures across the U.S.A.
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