Constructive Technologies Group, Inc. (CTG) is an engineering firm dedicated to innovative problem-solving in the built environment. The focus of our work is the energy-using systems (HVAC, plumbing, electrical) of buildings. We perform energy and sustainable design consulting, provide technical evaluations in construction litigation, and develop interactive software to teach the principles of energy-efficiency and sustainability

• See also:
• Masterformat 1995
• United States