35 electronic retailing and distribution services via a global computer network featuring parts, equipment, supplies, and services in the field of building and property facilities management, namely maintenance, cleaning, installation, and repair of commercial, industrial, institutional and residential building and property facilities, namely heating, ventilation and air conditioning systems, plumbing systems, electrical systems, lighting systems, refrigeration equipment, food service equipment, security systems, irrigation systems, healthcare equipment, lawn, landscaping and interior and exterior surfaces and grounds; on-line ordering services featuring parts, equipment and supplies of others in the field of building and property facilities management, namely maintenance, cleaning, installation, and repair of commercial, industrial, institutional and residential building and property facilities, namely heating, ventilation and air conditioning systems, plumbing systems, electrical systems, lighting systems, refrigeration equipment, food service equipment, security systems, irrigation systems, healthcare equipment, lawn, landscaping and interior and exterior surfaces and grounds via a global computer network; providing an on-line computer database for locating, comparing, and ordering parts, equipment, supplies and services of others in the field of building and property facilities management, namely maintenance, cleaning, installation, and repair of commercial, industrial, institutional and residential building and property facilities, namely heating, ventilation and air conditioning systems, plumbing systems, electrical systems, lighting systems, refrigeration equipment, food service equipment, security systems, irrigation systems, healthcare equipment, lawn, landscaping and interior and exterior surfaces and grounds; on-line auction services featuring parts, equipment, supplies and services in the field of building and property facilities management, namely maintenance, cleaning, installation, and repair of commercial, industrial, institutional and residential building and property facilities, namely heating, ventilation and air conditioning systems, plumbing systems, electrical systems, lighting systems, refrigeration equipment, food service equipment, security systems, irrigation systems, healthcare equipment, lawn, landscaping and interior and exterior surfaces and grounds; and dissemination of advertising for others via an on-line computer network; and providing an on-line computer database of technical and trade information in the field of building and property facilities management, namely maintenance, cleaning, installation, and repair of commercial, industrial, institutional and residential building and property facilities, namely heating, ventilation and air conditioning systems, plumbing systems, electrical systems, lighting systems, refrigeration equipment, food service equipment, security systems, irrigation systems, healthcare equipment, lawn, landscaping and interior and exterior surfaces and grounds