TDIndustries, Inc. | 33,968 followers on LinkedIn. At the Heart of Your Building | TDIndustries delivers a comprehensive approach to Facility Services and Mechanical Construction. TD partners with clients across the entire life-cycle of a facility from engineering and construction to operations and maintenance. Since 1946, TDIndustries has provided innovative design and performance of world-class engineered systems which serve healthcare facilities, hotels, schools, mission critical, and industrial complexes.