Gripple provides fast and versatile suspension solutions for Ductwork and other suspended services, as well as seismic bracing for nonstructural equipment and components. SMACNA verified.

Klimawent Usa, Llc supplier of dust collectors, fume arms, fume extractors and other environmental control and filtration equipment in Crystal Lake, IL. They are continuously investing in modern infrastructure and advanced technologies, in qualifications of employees as well as in successful methods of managing, scientific research, and improvement of the processes and appliances.

Madison Industries is a globally-renowned mechanical engineering, HVAC equipment and industrial automation solutions firm conglomerate based out of Chicago, Illinois, USA. The conglomerate believes and strives in providing a safer and healthier world, with state-of-the-art electronics, HVAC equipment, home and building automation systems that are energy efficient and cost effective.

Since the company's inception in 1963, The Pate Co. has been a renowned manufacturer of prefabricated roof products, including roof curbs, metal-building curbs, isolation bases, equipment supports, pipe roller supports and pipe curb assemblies.