Gemstone Data

Leading provider of direct mail lists, telemarketing lists, email lists, and mobile advertising services. Gemstone Data has been in business for over 10 years and provides companies with marketing lists, including direct mail lists, telemarketing lis...

Leading provider of direct mail lists, telemarketing lists, email lists, and mobile advertising services. Gemstone Data has been in business for over 10 years and provides companies with marketing lists, including direct mail lists, telemarketing lists, and email marketing lists. We also offer mobile advertising, and our clients can add multiple touch points to their marketing campaigns by displaying ads on the mobile devices of their leads using our geofence marketing services.