Our Partners

Become a Partner

Columbia Steel Services (CSSI) strengthens every project by partnering with a network of like-minded industry experts who share our commitment to precision, creativity, and problem-solving. As the sister company of Columbia Wire & Iron, “a structural steel fabricator and erector offering 110 years of experience in making the impossible, possible,” CSSI expands that legacy through trusted collaborations in detailing, engineering, and design.

Our extended team includes partners such as Angle Detailing, Inc., which brings well over 40 years of experience in the steel industry and provides detailing, drafting, and full 3D modeling for complex projects. We also work closely with Catena, a design-driven engineering firm known for helping clients establish new boundaries in structures across healthcare, education, civic, retail, and commercial markets.

Together, this integrated professional network allows CSSI to deliver comprehensive support, ensuring our clients benefit from deep expertise, seamless coordination, and a shared commitment to excellence.