Rodney C. Johannsen

Construction Education Foundation of North Texas is a non profit organization that provides training courses for new and existing workers in the construction industry. It offers commercial carpentry, field engineering, crane operation, construction management, drawing and blueprint reading, electrical, heating ventilation air conditioning, language, pipefitting, plumbing and backflow prevention, and safety training. The company is headquartered in DFW Airport, TX.

TDIndustries, Inc. provides mechanical construction, facilities operations and energy services. It offers construction services, mechanical/HVAC, plumbing, electrical and lighting, commercial refrigeration, indoor air quality, building automation & control systems, fire & life safety systems, facility management services, process solutions, building systems, energy solutions and fabricated products. The company was founded by Jack B. Lowe, Sr. in 1946 and is headquartered in Dallas, TX.