3G Americas, LLC
- An organisation that represents mobile operators and manufacturers in the America for GSM technology.
- http://www.3gamericas.org/

Global System Mobile Association
- This is a global trade association that exists to promote, protect and enhance the interests of GSM mobile operators throughout the world.
- http://www.gsmworld.com

Third Generation Partnership Project
- The production of technical specifications for a third generation mobile system based on the evolved GSM core networks.
- http://www.3gpp.org/

Open Mobile Alliance
- An industry association comprising over 90 members that has developed the de-facto world standard for wireless information and telephony services on digital mobile phones and other wireless terminals.
- http://www.openmobilealliance.org/

Global mobile Suppliers Association ( GSA )
- Representative body for the gsm/3g supplier industry. Includes news, membership, events and programs.
- http://www.gsacom.com/

Cellular Telecommunications & Internet Association ( CTIA )
- Representing its members with policy makers in the Executive Branch, in the Federal Communications Commission and in Congress.
- http://www.ctia.org/

160characters Association
- A not-for-profit membership forum for mobile messaging professionals.
- http://www.160characters.org/