Uniqode - Uniqode: Revolutionizing QR Codes, Simplifying Solutions.
V12 Data - V12 Data offers rich data sets with verified addresses and emails for personalized marketing campaigns.
AltBeacon - AltBeacon is an open and interoperable specification for proximity beacons.
Adobe Audience Manager - Adobe Audience Manager is a data management platform that integrates online and offline data to deliver a unified view of all your audiences
ROXIMITY - ROXIMITY is a mobile advertising platform that enables retailers and brands to send targeted, location-based messaging to nearby customers.
Google Audience Center - 3 votes and 6 comments so far on Reddit