Provides audience response system tools for surveys and polling of audiences in business meetings, conventions, trade shows, and conferences. Offers complete system sales and rentals.

Listings of business opportunities, both online and offline, in various categories like businesses for sale, websites for sale, franchising, projects, properties, venture capital, contract manufacturing, dealerships, liquidation sales, etc.

Mac Audio specializes in on hold advertising, marketing, and messaging services. They strive to keep a high quality of customer service as well as delivering a high quality product to their customers.