underwriting extended warranty contracts in the field of appliances, tools, computers and computer accessories, equipment, electronics, and automobiles; financial and monetary services, namely, financial management, financial planning, financial research, banking services, and mortgage lending; real estate services, namely, multiple listing services, multiple listing services for others, providing information in the field of real estate listings via a global computer network, real estate brokerage; credit card services; debit card services; and charge card services