Lookup by Twilio - Know the details behind every phone number
StackPath - Secure Content Delivery Network, DDoS, WAF Service
Ring4 - Manage business phone line as easily as you manage emails, in the cloud. Ring4 provide you with a business line and video conferencing solution.
Avast - Avast security software products are developed for Microsoft Windows, Mac OS X, Android and Linux users by AVAST Software.
Shuffle - One Phone, Multiple Numbers
Flexera Software Vulnerability Manager - Flexera Software Vulnerability Manager provides solutions to continuously track, identify and remediate vulnerable applications.