Our membership has been at the forefront of commercial and industrial mechanical insulation since receiving our Charter from our International in 1910; working with our Signatory Contractors throughout the decades to provide Cleveland and Northern Ohio with the most highly trained, productive workforce in the mechanical insulation business. Throughout the years, Local #3 members have provided their skills to ensure quality construction on every type of facility imaginable. Iconic industrial jobs include numerous steel mills; petrochemical, coal and gas plants; nuclear generating facilities, agricultural and food processing plants; marine insulation applications, and numerous other industrial sites.