Terracon, based in Glendale Heights, offers specialized consulting engineering services in environmental, facilities, geotechnical, and materials fields. Their team of Consulting Engineers and Scientists are experts in providing comprehensive solutions for a wide range of projects. Generated from their website's infomation

Stanley Consultants, based in Chicago, boasts over a century of experience in enhancing communities through cutting-edge design and engineering solutions. Their innovative approach has consistently led to the improvement of lives, making them a trusted leader in the industry. Generated from their website's infomation

Since 1967, ESD has provided engineering design solutions for thousands of buildings in the United States and throughout the world. We have achieved our reputation through our team of experts who bring a depth of resources and experience to the needs and goals of our clients. With over 220 engineering and design professionals, ESD is one of the largest consulting engineering firms in the Midwest. We offer consulting engineering design services in mechanical, electrical, plumbing, fire protection, LEED, sustainable design, commissioning, and technology. ESD supports a diverse range of markets, including commercial, health and science, education, mission critical, residential, assembly, cultural, theaters, energy plants, transportation and international. Clients include architects, developers and property managers. We offer innovative ideas and design solutions for systems upgrades and retrofits, lower operating costs, and simplified maintenance protocols, as well as expertise in building codes. Contact us today.