Headquartered in Atlanta, Georgia, TDIR Inc and a satellite office in Columbia South Carolina is a leading provider of sustai ... nable energy solutions in North America. TDIR management has over 50 years of leading-edge experience in designing and installing an array of solutions that reduce customers’ operating expenses, increase comfort and provide valuable environmental benefits. Service offerings include Lighting, Solar-Photovoltaic (PV) / Solar – Thermal, HVAC Efficiency Enhancement, Power Technology Solutions to include on-site electrical generation and UPS systems, Weatherization and Water conservation services. The Company offers cost-saving strategies and renewable energy services to customers nationwide, including commercial, industrial, institutional, municipal and government facilities. TDIR, INC would love to assist you with all of your contracting needs! Call us & we will immediately assist you with any questions or concerns you may have. NAICS Codes: 334118, 423430, 322121,334419, 238210, 327212, 327215, 335110, 335121, 423610, 621610, 811310 read more