Developed over the course of 25 years, TSI provides estimating, CAD design and manufacturing software for the HVAC and mechanical contracting industry. The company’s range of solutions include: CAD-Duct, CAM-Duct, EST-Duct, CAD-Mech, EST-Mech and JOB-Site Solutions, which run on the industry’s only fully-integrated single database architecture for duct, pipe, plumbing and electrical services.

Technical Sales International LLC, 9111 Jollyville Road, Suite 110, Austin, TX 78759; (866) 493-6337;