Wiss, Janney Elstner Associates, 6363 TX-161, Ste 550, Irving, TX 75038, US

Established in 1975, Huitt-Zollars is a full-service engineering, architecture and construction management organization. It offers a range of transportation, construction and urban development services. The organization specializes in civil, structural, mechanical and electrical areas. It provides roadway design, traffic control planning, utility coordination and drainage services. Huitt-Zollars has a staff of civil engineers that provides hydraulics, hydrology, wastewater treatment and collection, streets and thoroughfares, and water supply and distribution services. Its structural engineering services include design and analysis of foundations, retaining walls, tunnels, bridges, parking structures and buildings. The organization offers ventilation, plumbing, piping and fire protection systems and air conditioners. Huitt-Zollars maintains one of its locations in Fort Worth, Texas, with various offices throughout the United States, including California, Washington, Arizona and Colorado.