New Millennium Building Systems structural steel joist and deck.

Building success together

Tuwanek Sunshine Coast Hornby Island shoreline Mt Baker, Washington Nelson Bridge, Vancouver

Steel joists and deck engineered for optimal performance

Achieve architectural visions. Solve engineering challenges. Realize project goals. Your success begins with the selection of the right steel joists and deck for your application. We have the expertise to help you determine the optimal structural solution. From steel joists and joist girders to steel roof deck and long-span composite floor systems, we engineer and manufacture solutions that control costs, enhance performance and ensure project success. Together, let’s build it better.

Operator using RED™ on B-deck
The only deck side-lap tool on wheels
RED™ Rolling Electric Red Tool logo
Optimize multi-story projects

Improve the design, construction and performance of multi-story projects using Versa-Dek® Composite. A long-span composite floor system, Versa-Dek enables you to reduce story heights, realize structural goals, meet health and safety standards, and achieve fire and sound ratings.

Personalized live remote learning
Earn credit hours for you and your team members

Schedule a private, live remote training session with our building system education specialists. Customized to your needs, our virtual courses are taught by experienced and certified instructors that can answer your questions on the spot. You’ll earn credit as you learn new skills. Fill out the form to get started.

Design Tools

Control costs and improve your designs with our free downloadable BIM files and interactive steel joist and deck design tools.

Case Studies

Our blog provides everything you need to succeed. Check out project spotlights, in-depth case studies, and building system insights.

Education Courses

Advance your knowledge of steel joist and deck building systems and learn how to lower the costs of building design and construction.

Cover of Standard Joist Load Tables
SJI 45th edition

The latest load tables catalog for steel joists and joist girders.

Building success together