installation, construction and maintenance services for energy power sources, namely, fossil fueled generating plants; hydro-electrical generating plants; thermal fueled generating plants; steam production plants and nuclear fueled generating plants, and related end use equipment

transmission, distribution and storage of energy and electricity

educational services, namely, conducting classes, seminars, lectures, workshops and distributing pamphlets and publications in the field of energy and electrical utilities

engineering consultation services and design for others in the fields of energy and electrical utilities