SJI members are steel joist manufacturers in the U.S., Puerto Rico, Canada and Mexico. Click the locations below to view the manufacturers.

Member Companies

Canam Group
Canam Steel Corporation
Gonza Joist
Gooder Henrichsen
JGS (Joist Girder Solutions)
Joist Structural Systems
New Millennium
Nucor Vulcraft
Seyco Joist
Structural Steel Manufacturing
Valley Joist + Deck

Associate Members

Associate members provide services or products that support steel joist manufacturing.

CMC logo
Gerdau - SJI Associate Member
Lincoln Electric - SJI Associate Member
Nucor - Associate Member
Sigosa Steel - SJI Associate Member

See Applications of Steel Joists

View projects featuring steel joists, Joist Girders and composite steel joists.