Your source for direct mail, telemarketing, and email marketing data

Gemstone Data is the industry‚Äôs leading provider for direct mail lists, telemarketing lists, and email marketing lists. You can login to our data portal and create customized prospecting lists tailored to your specific campaign requirements, run an unlimited number of counts, and download your direct mail lists, telemarketing lists, and email marketing lists in real-time! We update each of our marketing databases monthly, and more importantly the accuracy of every prospecting list you download is guaranteed in writing.

Capture the attention of your prospects on their mobile device!

Increase your response rates when you use our mobile advertising services to add multiple touchpoints to your current direct mail, telemarketing, and digital marketing campaigns!
Geofence Marketing

Draw geofences around competitors, local events, or anywhere you think your customers might visit.

Addressable Geofencing

Target people from a list you have of home addresses and serve ads to them on their mobile devices.

Generate More Sales By Re-engaging Your Previous Clients & Sales Leads

Email Marketing


your conversation rates and build brand recognition with our comprehensive email marketing services.

  • Precision

    75% of email revenue is generated by segmented, targeted, and triggered campaigns. - DMA

Reach Your Prospect's Inbox With our Email Marketing Services!