J2EE (by Oracle) is a platform-independent, Java-centric environment from Sun for developing, building and deploying Web-based enterprise applications online
Plesk is a commercial web hosting and server data center automation software with a control panel developed for Linux and Windows-based retail hosting service providers.
AT&T is a US-based telecoms company, and the second largest provider of mobile services and the largest provider of fixed telephone services in the US.
Zendesk is an cloud-based customer service software solution trusted by over 40,000 organizations worldwide. Companies such as Groupon, Box, and Zappos are using Zendesk to lower costs, raise productivity, and increase customer satisfaction.