Hitch.ly - Turn any URL into a phone number you can call or text
Invoca - Call tracking & analytics software
Ninchat - Secure, cloud based communication service for businesses.
CallTrackingMetrics - Know who is calling and how they found you. Maximize the return on your advertising.
Adamant Messenger - The most secure and anonymous messenger, encrypted with Blockchain
Marchex - Marchex is a mobile advertising analytics company that connects online behavior to real-world, offline actions.