TSI Company LLC.

TSI Company LLC., is a mechanical insulation contractor, specializing in the Commercial & Light Industrial mechanical insulation field. With over 80 years combined experience we place a high value on customer satisfaction. TSI Company, LLC.is also a Wholesale-Distributor to the HVAC industry stocking over 4000 different items including registers and grilles, fire and fire/smoke dampers, flat sheet metal and sheet metal items, fiberglass ductboards, liners and wraps, adhesives and sealants. We also offer to the building contractors a complete line of building insulations (batts, blankets and sheathing boards), access doors (both flush mount and fire rated), and UL listed fire rated caulks. We offer Laminated Metal Building Insulation, made to order to fit your exact building requirements. We have a good relationship with over 200 manufacturers in the building products industry and are always ready to locate and provide our customers with the products they need.