Electronic commerce services, namely, the operation of an on-line marketing agency to assist potential buyers of commodities or services of any kind in finding sellers thereof in the nature of providing business leads and to provide business information related to lead generation, excluding such services as they relate to the construction industry; Marketing services, namely, the generation, management and delivery of business opportunity leads for third parties, excluding such services as they relate to the construction industry; Business consulting services in the field of on-line business, namely, increasing business profitability and revenues by providing advice with respect to website design, increasing on-line advertisement and increasing traffic