NUCONSTEEL
Designer and manufacturer of light gauge steel framing for residential and light commercial construction.
http://www.nuconsteel.com/

Dietrich Steel Joists
Manufacturer of light gage steel joists for commercial and residential construction.
http://www.dietrichsteeljoist.com/

The North American Steel Framing Alliance
The North American Steel Framing Alliance (NASFA) is an organization established by AISI in 1998 to rapidly accelerate the use of light gauge steel framing in residential construction.
http://www.steelframingalliance.com/

Servicios Industriales de la Marina
Specializes in the construction of merchant vessels, fishing vessels and repair of vessels, industrial maintenance, construction of steel structures, specialized electronic systems and the manufacture of light weapons.
http://www.sima.com.pe/

Aegis Metal Framing
Aegis Metal Framing, LLC is the leading provider of pre-fabricated cold-formed steel truss and panel systems, and services for commercial, institutional and residential construction. Aegis provides a complete line of cold formed steel framing (also known as light gauge steel framing) including the UltraSpan® truss system, TradeReady® products (floor joists, headers, Spazzer bars) and WallSolutions™ pre-fabricated panels.
http://www.metalite.com/

Nucor Steel
Products produced are carbon and alloy steel in bars, beams, sheet, and plate, joists and joist girders, steel deck, cold finished steel, fasteners, metal building systems, and light gauge framing.
http://www.nucor.com/

The Steel Construction Institute
The Steel Construction Institute (SCI) is an independent, member-based organisation. The objective of The Steel Construction Institute is to develop and promote the effective use of steel in construction.
http://www.steel-sci.org/

EasySteel Structures Inc.
Provider of technology and equipment for the fabrication of cold rolled steel wall panels and trusses for domestic and light commercial construction.
http://www.easysteel.com/

Stahlbau Claus Queck Dueren
Wirtschaftliche, umweltfreundliche und moderne Stahlkonstruktionen für alle Bauvorhaben sind unser Metier - seit vielen Jahren. 150 Mitarbeiter zeichnen sich durch Ideenreichtum, Flexibilität, Qualitätsbewusstsein und Termintreue aus. Sie engagieren sich erfolgreich in Planung, Fertigung und Montage. Im gesamten Bundesgebiet und im Ausland realisieren wir bedeutende Bauvorhaben.
http://www.queck-dueren.de

Steel-Projects France
Supplies an integrated system for the steel construction process for detailers and steel fabricators.
http://www.steel-projects.fr/