Altra Builders, Inc. is a commercial and industrial construction company specializing in structural steel fabrication, general contracting, and design/build services. As a dealer of Star Building Systems, Altra provides custom-building solutions throughout the Chicagoland, including Kankakee, Northwest Indiana, and Southeast Wisconsin. The company is known for its commitment to high-quality design, construction excellence, and professional service.

Established in 1989 as an extension of Altra Source, Inc., which was founded in 1986 by William A. Stevens, Altra Builders has grown into a reputable name in the industry. Headquartered in a 12,000-square-foot facility in University Park, Illinois, the company continues to deliver dependable, full-scale construction services with a focus on integrity, innovation, and client satisfaction.