9 Personal protective equipment (PPE), protective hard hats, reflective safety vests and safety jackets
39 Consulting in the field of energy sources for transportation systems
37 Construction project consulting; real estate development and construction project management services for energy production facilities, energy storage facilities, energy distribution systems, and energy usage improvement systems; consulting in the field of electric vehicles charging systems; consulting in the field of solar energy systems
36 Energy cost and financial risk management in the field of energy procurement
35 Energy utilization management services; energy utilization consulting services
42 Consulting in the fields of solar energy, electrical system design, transportation system design, energy procurement, energy usage; energy conservation, energy sustainability, regulatory compliance, and carbon offset procurement