Helen S. Torres

Chicago Building Congress, Inc. operates as a trade association. Its membership includes real estate professionals, general contractors, subcontractors, engineering firms, architects, labor unions, associations, government entities, educational facilities, banks, insurance providers, consultants, legal firms, accounting firms, media publications, material manufacturers and suppliers. The company was founded in 1939 and is headquartered in Lombard, IL.

Thornton Tomasetti, Inc. engages in the provision of engineering design, investigation and analysis services. It offers forensics, renewal, applied science, property loss consulting, structural and construction engineering, protective design, facade engineering, transportation, and sustainability services. The company was founded by Paul Weidlinger, Lev Zetlin, Charles H. Thornton and Richard L. Tomasetti in 1956 and is headquartered in New York, NY.