AT&T is a leader in telecommunication services, including cell phones, wireless, U-verse, digital TV, high speed internet, DSL, home phone, and bundled services.

DVBCN数字电视中文网是一家总部位于中国上海的广电通信行业权威门户网站，网站源于2002年开办的中国数字电视论坛，2004年6月网站由上海安娜谢文化传播有限公司负责正式经营。DVBCN的宗旨是“让中国工程师在交流中发展数字电视产业”，致力于数字电视相关产业信息的挖掘，分享和传播。

中国通信标准化协会 (英文译名为：China Communications Standards Association，缩写为：CCSA)于2002年12月18日在北京正式成立。该协会是国内企、事业单位自愿联合组织起来，经业务主管部门批准，国家社团登记管理机关登记，开展通信技术领域标准化活动的非营利性法人社会团体。

泰尔网是中国通信行业最早的行业网站之一，由工业和信息化部电信研究院主办。信息可靠、全面、权威，是通信行业的权威网站之一。

Red Hat is the world's leading open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented Architecture (SOA) solutions.

提供Resin/Tomcat+MSSQL/MYSQL的JSP虚拟主机，独立TOMCAT，可自由启动和关闭TOMCAT，免费试用，自定义配制文件与日志，提供管理平台。

Corporate website for Delphi - a leading global supplier for the automotive, computing, communications, energy, and consumer accessories markets. Headquartered in Troy, Mich., Delphi has more than 100,000 employees in 32 countries.

DevX is the leading provider of technical information, tools, and services for IT professionals developing corporate applications.

JVC is a leading developer and manufacturer of sophisticated audio and video products that use superior technologies to deliver high quality sound and images.

Sennheiser Worldwide - microphones, headsets, Wireless, Headphones, Audiology, Audio, Conference, aviation, Broadcast, Equipment, Communication Systems.