35 Online retail store services featuring residential building products, home furnishings and fixtures, and mechanical systems, namely, HVAC, plumbing, and electrical systems; Provision of an online marketplace and website for buyers and sellers of goods and services, namely, manufacturers and distributors of residential building products; Providing trade partner and consumer information services, namely, providing marketing materials for homebuilders and links to manufacturer websites, and making referrals in the field of residential building products, home furnishings and fixtures, and mechanical systems, namely, HVAC, plumbing, and electrical systems; Providing an online searchable database featuring a material list that can be developed and modified by the user for the sale of residential building products, home furnishings and fixtures, and mechanical systems, namely, HVAC, plumbing, and electrical systems, through estimating, visualization, and a curated catalogue management process; Compilation and provision of trade and business information via a global computer network; Advertisement services for manufacturers, suppliers, service providers and other trade partners on a website; Distributorship services in the field of residential building products, home furnishings and fixtures, and mechanical systems, namely, HVAC, plumbing, and electrical systems; Providing online user account management services, namely, administrative processing, tracking and monitoring of sales orders, pick tickets, invoices, statements, payments, pricing schedules, quotes, delivery, order status, backorder notifications, proof of delivery, delivery photos, and account metrics for residential building products, home furnishings and fixtures, and mechanical systems, namely, HVAC, plumbing, and electrical systems, for business purposes