Lochner, based in Chicago, IL, is a leading infrastructure services provider with over 80 years of experience, dedicated to enhancing the built and natural environments across the United States. Renowned for its collaboration, innovation, and commitment to quality, Lochner specializes in a vast array of sectors, including aviation, highways, bridges and structures, transit and rail, as well as water and wastewater management. Their comprehensive services encompass engineering and design, construction engineering and inspection, environmental planning, and program and construction management.

Lochner's team of experts works diligently to address complex challenges, ensuring safe and efficient transportation systems while promoting sustainability and environmental stewardship. As a proud partner in national projects, Lochner boasts a strong workforce of over 1,000 employees in 22 states, consistently recognized as a top firm in the industry. The brand's commitment to community engagement and charitable initiatives reinforces its legacy of trust, demonstrating that enhancing infrastructure also means enriching lives