YESCO

cooperative advertising and marketing to facilitate the efficient and economical use of energy; energy procurement, namely, purchasing all forms of energy for others

energy management services relating to development, control, production, use and conservation of energy; design and development for others of energy services packages; consultation in all of the following fields - energy use, energy purchasing, and energy efficiency; energy generation, transmission, and consumption; the design, purchasing, installation, and maintenance of industrial equipment and power cogeneration and other power supply equipment; and the design and installation of computerized energy management systems