51 Degrees
Provides wholesale telecom bandwidth and local loop connectivity through dedicated fibre optic backbone network around London.
http://www.51deg.com/

Admiral Group of Companies
Supplier of office equipment and telecommunications, presentational, and conferencing products.
http://www.admiral-group.com/

Alcatel UK
Providing wide range of telecommunication solutions.
http://www.alcatel.co.uk/

Ascom Telecommunications UK
Designs, develops and manufactures a range of transmission equipment, business telephones, integrated fax and telex modems and ISDN PBX products in the U.K.
http://www.ascom-telecom.co.uk/

Ashland Communication Equipment Ltd
Specialists in voice and data communications, IP networking, broadband communications and call centres.
http://www.ashlandcomm.com/

British Telecom (BT)
Provides telecommunication services, including long-distance and international calls. Also manages private networks and supplies mobile communication services.
http://www.bt.com/index.jsp

COLT Telecommunications
COLT provides the broadest and deepest range of network services across Europe.
http://www.colt.net/

Central Telecom
Providing integrated telephony computing, voice and data communications.
http://www.central-telecom.co.uk/

Energis
Provides telecommunications services in the U.K. and European business market.
http://www.energis.co.uk/

Entryphone Company Limited
Specialises in the manufacture and installation of door entry systems and other associated access control equipment.
http://www.entryphone.co.uk

FLAG Telecom
Provides a broad range of products and services to international carriers, service providers, and other telecommunications companies.
http://www.flagtelecom.com/

FleXtel
Provides free personal numbers with online Internet connection.
http://www.flextel.co.uk/

Fujitsu Telecommunications Europe Limited
Supplier of telecommunications products and services.
http://www.ftel.co.uk/

Genesis Telecomunications
Genesis, part of the Xpert Group, is a UK based award winning data networking and telecommunications solutions provider.
http://www.genesis-tel.com/

GoTalk
Residential telephony service offering cheap international and local calls.
http://www.gotalk.co.uk/

Greenwoods Communications
Greenwoods Communications is a leading independent network solutions provider to the communications industry, specialising in telecom network build and roll-out.
http://www.greenwoodscomms.com/

Invsat Limited
Invsat Limited has supplied telecommunications systems integration to the corporate market for almost 30 years.
http://www.invsat.com/

JKC
Welcome to JKC video conferencing, audio conferencing and data conferencing consultancy.
http://www.jkcit.co.uk/

King Communications
Specialises in communications technology and digital equipment, including home security systems, wireless phones, paging systems, and more.
http://www.kingcommunications.co.uk/

Kingston Communications
Serving 180,000 residential and business customers within Hull and the surrounding area for over 90 years with telecommunications services. Includes product information and contact details.
http://www.kcom.com/

Kingston Communications (Hull) PLC
Kingston Communications is a UK communications group with national business capabilities and new media divisions. Includes company information, investor relations information, regulatory publications and contact details.
http://www.kcom.com

Kingston incontact
Suppliers and managers of outsourced customer contact solutions, based in Hull. Includes details of services, clients, recruitment details and contact information.
http://www.kingstonincontact.co.uk

Kingston information
Producers of the Hull White and Colour Pages, as well as directories for the Isle of Man, and their online services. Contains product and service information, and contact details.
http://www.kingston-isl.co.uk

Localtel (now part of World Online)
Offers wide range of telecommunication services.
http://www.tiscali.co.uk

Martin Dawes Systems
An independent software vendor offering leading edge software solutions to companies operating in the telecommunications and related industries.
http://www.martindawessystems.com/

Maximum Network Solutions Ltd
Maximum Network Solutions is one of the UK`s leading independent telecommunications consultancies.
http://www.maxnet.co.uk/

National Engineering and Assessment Group
NEL is a leading technology services organisation providing services, solutions and technology to clients across many industries including oil and gas, power, water, petrochemical, pharmaceutical, industrial, automotive and defence.
http://www.neag.co.uk/

Oak Telecom Ltd
Provides advanced voicemail and call logging solutions: call management, call recording, CRM, and voice processing systems
http://www.oak.co.uk/

One.Tel
Offers cheap national and international calls from landlines and mobiles, as well as Internet services.
http://www.onetel.co.uk/

Opal Telecommunications
Offers discounted telephone service over the BT network.
http://www.opaltelecom.co.uk/

Opera Telecom
A global provider of mobile media, billing, telephony and technology services, headquartered in the UK.
http://www.operatelecom.com/

QuikTrak
Specialist telecommunications business. Provides information on secure tracking and data messaging products.
http://www.quiktrak.nl

Redstone Telecom
A communication solution provider.
http://www.redstone.co.uk/

SITA
Telecommunication and information processing solutions provider.
http://www.sita.aero

Siemens Communications Limited
A communications supplier, offering a full choice of technology, service and security solutions from simple telephony through to full networking outsourcing, incorporating Customer relationship management and e-business environments.
http://www.siemenscomms.co.uk/relationship/

SuperLine
Provides cheap international calls, and low cost U.K. and mobile phone calls.
http://www.superline.co.uk/

Swiftnet Ltd
Offers high quality, low-cost telephone and fax services to both private and corporate clients.
http://www.swiftnet.co.uk/

TTS Communications Ltd
Suppliers and maintainers of telephony systems. Site includes company details, and product and service information.
http://www.ttscomms.co.uk

TalkTalk
Low cost home phone service for U.K. customers from the Carphone Warehouse.
http://www.talktalk.co.uk

Talkback
A global communications service provider offering wholesale and retail voice carrier services.
http://www.talkbacktele.com/

Telecom.paper
Daily information on the telecommunications market including links, library and reports. Subscription based.
http://www.telecom.paper.nl

TelecomsAdvice
Provides impartial information to small and medium U.K. businesses on the effective, efficient, and economical use of telecoms and ICTs.
http://www.telecomsadvice.org.uk/

Telesave
Offers discount long distance, national, and local telephone services.
http://www.telesave.co.uk/

Telewest Broadband
Provides a competitive range of managed and unmanaged data, internet and voice products.
http://www.cablelondon.co.uk/

Toucan
Providing low cost consumer telephone services.
http://www.toucantele.com/

UbiNetics
A world leader and key driving force in the development of 3G, mobile wireless technology.
http://www.ubinetics.com/

Unitel Communications
Supplies pre-paid phonecards, voicemail, turnkey systems, interactive voice response programmes, and more.
http://www.unitel.co.uk

Universal
Provides business users with cost effective solutions including broadband and virtual private network internet access, reduced price calls, non-geographic telephone numbers with opportunities to raise income on inbound calls and line rental.
http://www.universalgroup.net/

Voice Integrated Products Ltd
Provides voice and telephony processing and support for customer relationship management systems.
http://www.vip.co.uk/

Voicenet
Offers U.K. and international phone service as well as Internet connections.
http://www.voicenet.uk.net/

Westlake Communications
Provides video conferencing services, Internet access, phone services, and more.
http://www.westlakecom.com/

World Telecom
World Telecom is the UK trading name of the Airtime Group Limited, it is an independent UK telecoms service provider, which is backed by a successful group of telecoms entrepreneurs and investors.
http://www.worldtelecom.co.uk/

Zenitel
System integrator and service supplier in professional communications, using wireless and wired technology. Gives company, product and services information.
http://www.saitrh.com

hSo
Offers a complete range of competitively priced IT and telecoms solutions for business.
http://www.hso.uk.com/