Telemarketing services; telemarketing services in the nature of political canvassing by telephone; telemarketing services in the nature of tracking and reporting responses to direct marketing campaigns; telemarketing services in the nature of handling telephone orders for goods and services and telephone inquiries made by the customers and potential customers of others; telemarketing services in the nature of communicating trade show invitations by telephone; market research services; marketing services rendered to others in the nature of marketing lead qualification services; marketing services rendered to others in the nature of making appointments for sales and marketing personnel by telephone