BT Business - Mobile Broadband, VOIP & Networking
BT offers a range of business products and services from broadband connections to phones and office equipment, mobile communications, networking solutions, support services for business continuity and disaster recovery, and IT services specifically for small and medium sized business.
http://business.bt.com/

Colt
Colt provides major organisations, midsize businesses and wholesale customers with a powerful resource that combines network and IT infrastructure and expertise in IT managed services, networking and communication solutions.
http://www.colt.net/uk/en

ETSI
Produces globally applicable standards for information and communications technologies including fixed, mobile, radio, broadcast, internet, aeronautical and other areas
http://www.etsi.org

GPS Tracking System
We offer a full continuum of fleet management capabilities—including GPS tracking with integrated dispatch—along with a range of products for locating virtually any company asset. We also provide trailer tracking, heavy equipment tracking, anti-theft units, all-purpose locators, and other value-added services.
http://www.gpsnorthamerica.com/

TeleCommunication Systems, Inc. (TCS)
Provider of mission-critical wireless data solutions to government customers, public safety, and carriers.
http://www.telecomsys.com/