BT Business – VOIP & Networking - http://business.bt.com/
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.
CHR Solutions - http://www.chrsolutions.com/
Helps you grow revenue, reduce cost, improve operations, manage risk, and align technology.
Colt - http://www.colt.net/uk/en
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.
Visual Network Systems - http://www.visualnetworksystems.com/
Provides unique insight into data from the network and the application performance allowing unique visibility into user and customer experience.