PMCG Consultancy Ltd
- Offers courses on GSM, GPRS and UMTS.
- http://www.pmcg-consultancy.co.uk

Link Consulting
- Recruitment firm that also offers multi-day wireless telecoms training courses.
- http://linkprague.com/

Above the Horizon
- Information, courses and resources for 2G and 3G wireless networks & devices, including technical, business and marketing aspects.
- http://www.abovethehorizon.co.uk

GigaWave Technologies
- Provides instructor-led and online courses for wireless local area networks (WLAN), wireless LAN bridging, wireless LAN security and other emerging technologies.
- http://www.giga-wave.com

APIS Training & Seminars
- Guide to independent competence in Mobile Telecom and Wireless Internet. Training and Seminars provides courses through in-house training, open courses or over the Internet.
- http://www.apis.se/

Wray Castle
- Provider of Telecommunications and Wireless technology engineer training. Public and Custom courses available.
- http://www.wraycastleusa.com/

Global Wireless Education Consortium
- Non-profit organization providing wireless curriculum for colleges and industry.
- http://www.gwec.org/

Widermind
- Offer training to telecom professionals working with evolving GSM toward GPRS, UMTS and other 3G technologies.
- http://www.widermind.com/