Downloadable and recorded computer e-commerce software to allow users to perform electronic business transactions via a global computer network; Downloadable and recorded computer software for database management; Downloadable and recorded computer software for logistics, namely, software for tracking documents, packages, and freight; Downloadable and recorded e-commerce software to allow users to perform electronic business transactions via a global computer network; Downloadable software for browsing, searching, ordering, and purchasing building, construction, roofing, plumbing, electrical, telecommunications, heating, ventilation, and air conditioning materials, equipment, supplies, and apparatus; Marketing services in the field of arranging for the distribution of the products of others; Online advertising the goods and services of others on computer communications networks; Online retail store services featuring building, construction, roofing, plumbing, electrical, telecommunications, heating, ventilation, and air conditioning materials, equipment, supplies, and apparatus; Distributorship services in the field of building, construction, roofing, plumbing, electrical, telecommunications, heating, ventilation, and air conditioning materials, equipment, supplies, and apparatus; Supply chain management services; Freight logistics management; Transportation logistics services, namely, arranging the transportation of goods for others