New Millennium Steel Joists

New Millennium is a division of Steel Dynamics, one of the largest steel producers in America. Our company was formed in 1999, built on the foundational values of proactive engineering and manufacturing flexibility. We are the second largest provider of steel joists and metal decking to the U.S. market.

Who We Serve

Let’s talk about what matters: Cost-effective design, production availability, delivery scheduling, attention to details, and problem solving to assure the success of your project. More than steel joists and deck, it’s your reputation we’re building. By looking at things from your perspective we are building a better steel experience.

Our dynamic manufacturing facilities are strategically located across North America to service your steel joist, steel decking, and Joist Girder supply needs. We have over 50 specially trained representatives ready to help reduce tonnage out of your commercial steel construction project, help you achieve cost reductions, and realize a broad range of revenue and performance improvements as well.

Increasingly we are named the preferred partner for commercial steel construction. Our flexible and proactive approach simplifies the process of steel building design and construction. New Millennium's collaborative style serves the interests of project owners and developers, while uplifting the professional contributions of everyone involved on the project, including fabricators, erectors, and their general contractors. Backed by manufacturing facilities strategically located across North America, we are ready to meet your needs.