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Providing Comprehensive HVAC & Plumbing Services for the Chicagoland Area for Over 100 Years.

Hayes Mechanical is known as the pioneer in the boiler construction, repair, and maintenance industry.

Providing Industrial HVAC & Plumbing Services for Over 100 Years.

Diversified Millwright Contractor specializing in shutdown services and capital projects of any size.

Execute routine and emergency maintenance of piping systems and equipment.

Holds 5 A.S.M.E. Code symbol stamps and the National Board “R” Stamp.

Our passion for safety is reflected by our dedication to continuous improvement of safety standards.

Hayes Mechanical is a Full Service Industrial Mechanical Contractor. Over a Century of Service.

Our industrial process, HVAC/plumbing, and wastewater treatment divisions make us a premier total solution provider.

Experience and expertise to work in wastewater treatment plants.

Providing Comprehensive HVAC Services for the St. Louis Metro Area.

Hayes Mechanical is a Full Service Industrial Mechanical Contractor.

Providing Comprehensive Construction Plumbing Services for the Greater Phoenix Area.

Providing Comprehensive HVAC Services for the St. Louis Metro Area.

Hayes Mechanical is a Full Service Industrial Mechanical Contractor.

Providing Comprehensive Mechanical Services for the Greater Tri-State Area.

Hayes Mechanical is a Full Service Industrial Mechanical Contractor.

Holds 5 A.S.M.E. Code symbol stamps and the National Board “R” Stamp.

Hayes Mechanical is a Full Service Industrial Mechanical Contractor.

Providing Comprehensive Plumbing Services for the Twin Cities Area