on-line retail store services, and telephone ordering services in the field of humidifiers, indoor air quality systems, dehumidifiers, plumbing equipment and systems, electrical systems, surge protection systems, thermostats, and heating, ventilation and air conditioning (HVAC) equipment and systems; business consulting services for wholesale, industrial and commercial customers in the fields of design, maintenance, upgrade and operations of building automation systems, energy power monitoring and control, heating, ventilation and air conditioning (HVAC), lighting, electrical and environmental systems, power design and construction; business management of all building and commercial mechanical, electrical and electronic systems for others

installation, maintenance and repair of building and commercial mechanical systems and heating, air conditioning and plumbing systems; installation of automated electronic lighting and energy controls; installation, maintenance and repair of building automation and energy systems, electrical, heating, ventilation and air conditioning (HVAC) equipment and major appliances for wholesale, industrial and commercial customers; pipe fitting installation and industrial construction and pipe fitting contractor services; installation, maintenance and repair of electronic equipment, humidifiers, indoor air quality systems, dehumidifiers, plumbing systems, electrical systems, surge protection systems, thermostats, and heating, ventilation and air conditioning equipment and systems; plumbing services; electrical contracting services; installation of lighting, heating, cooling and refrigeration systems; installation and repair of electrical and electronic devices and equipment, namely commercial utility systems, heating, cooling, lighting, refrigeration systems, and electric power systems including generation, transmission, and distribution facilities