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 building systems engineered for optimal performance

Achieve architectural visions. Solve engineering challenges. Realize project goals. Your success begins with the selection of the right steel building system. We have the expertise to help you determine the optimal structural steel building system for your application. From steel joists and deck to 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.

AIA Architecture Conference 2023 San Francisco June
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.

Solve your top 5 design challenges
Warehouse / data center
Multi-story office
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.

Multi-story, multiple choice
Telus Building

Building a mid- or high-rise project? See how our three composite systems optimize multi-story construction.

Erase RFI risks
RFI Risks written on chalk board drawing with drawing of a joist

Here’s how to protect yourself and your project from the risks associated with incomplete construction drawings.

Cover of Standard Joist Load Tables

Available now!

SJI 45th edition

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

Building a better steel experience