| Name | Information | Web address |
| S-S Technologies | - | http://www.sstech.on.ca/ |
| S. P. Communications Ltd | - | |
| S.A.S. Distribution Ltd | - | http://www.sas.co.uk |
| S.B. Electronic Systems Ltd | Manufacture & Sales of Bar Code Systems | |
| S.B.E. Ltd | Repair & Refurbish Mobile Phones | http://www.sbe-ltd.co.uk |
| S.C.S. Data Communications | I.T. & Telecomms One Stop Service Providers | http;//www.scs-datacomm.co.uk |
| S.F.L. Cellular Ltd | Radio Communication Manufacture | |
| S.M.S. Ltd | Computer Services to the N.H.S. | http://www.smsuk.smed.com |
| S.O.S. Ltd | Telecommunications Equipment Sales & Support | http://www.soscommunications.co.uk |
| S.P. Darker Electronics Ltd | Electronic Systems Installations | |
| S.R.S. Telecom Ltd | Retail Telecommunications Equipment | |
| Sabre Telecommunications Ltd | Sabre buy and sell all manner of refurbished/second user PBX equipment - Lucent, Mitel, Meridian, iSDX, INDeX, Ericsson. They can ship worldwide. Log on to see what we can do for you | http://www.sabretele.com http://www.usedtelecoms.com |
| Safe Control Ltd | Voice & Data Cabling Specialists | http://www.safecontrol.co.uk |
| Sage Insruments | - | http://testservices.sageinst.com /index.html |
| Sagem U.K. | Telecomms & Electronic Equipment Manufacturer | |
| Samsung Telecom America | - | http://www.samsungtelecom.com/ |
| Samsung Telecoms Ltd | Telephone Systems Sales & Distribution | http://www.samsung-telecoms.co.uk |
| Sattel Communications Company | - | http://www.sattelcom.com/ |
| Sceptre Networking Ltd | Structured Cabling Specialists | http://www.sceptrenet.co.uk |
| Schlumberger Evaluation & Production Svcs U.K. Ltd | Wireline & Testing Services | http://www.aberdeen.wireline.slb.com |
| Scientific Atlanta Europe Ltd | Sales & Support of Telecommunications Equipment | http://www.sciatl.com |
| Scope Marketing Communications U.K. Ltd | Manufacture of On Site UHF Paging, Pagers, telemetry, security, personnel tracking, medical. Equipment approvals Europe, USA Canada. | http://www.scope-uk.com |
| Scopus Network Technologies | Scopus Network Technologies' intelligent MPEG-2 and DVB video distribution architecture enables professional broadcasters to make a quick and smooth transition to the digital age. | http://www.scopus.co.il |
| Scotia Telecom Ltd | Business Telephone Systems Sales & Support | http://www.scotia-telecom.co.uk |
| Scottish Telecom Services Plc | Telecommunication Service Providers | |
| Sea Talk Systems Ltd | Telecommunications Equipment Suppliers | |
| Sedgewall Communications Group Ltd | Telecommunications Manufacturers | http://www.sedgewallgroup.co.uk |
| SeeTech | - | http://www.seetech.com/ |
| Select Systems London Ltd | Computer & Telecoms Systems Integrators | |
| Sematron U.K. Ltd | Satellite Equipment Distribution | http://www.sematron.com |
| Serco Field Services Ltd | Motorway Communications Installation | http://www.serco.com |
| Serco Justice | Communication Solution Providers | http://www.serco.com |
| Servicepower Ltd | Computer & Datacommunications Cable Manufacturers | http://www.servicepower.ltd.uk |
| Servista | Servista is the leading provider of outsourced customer care and billing services for the home services markets | http://www.servista.com |
| Servo Computer Services Plc | Computer Solution Services | http://www.servo.co.uk |
| Sharples Copying Services Ltd | PC System & Telecommunication Solution Provider | http://www.sharples-group.com |
| Shekhana Computer Services Ltd | Console Machines & Gaming Accessories Distributors | http://www.shekhana.com |
| Shiva | - | http://www.shiva.com/ |
| Shook Electronics USA Inc | - | http://www.shook-usa.com/ |
| Siebert Industries Ltd | Sales and Support of Telecommunications Equipment | http://www.siebertindustries.co.uk |
| Siemens AG | - | http://www.siemens.de/ |
| Siemens Communications Ltd | Manufacture & Support Telecommunications Equipment | http://www.siemanscommunicationsltd.co.uk |
| Siemens Plc | UPS Solutions | http://www.siemens.co.uk |
| Siemens UK | - | http://www.siemens.co.uk/ |
| Siemens USA | - | http://www.siemens.com/ |
| Siemon Co. Ltd | Manufacturer of Structured Cabling Systems | http://www.siemon.com |
| Sierra Wireless Inc | - | http://www.sierrawireless.ca/ |
| Sigma Computers Engineering & Maintenance Ltd | I.T. Solution Providers | http://www.sigmacom.co.uk |
| Silicon Graphics | | http://www.sgi.com/ |
| Silversands Computers | PC Network Services | http://www.silversands.co.uk |
| Simoco Europe Ltd | Mobile Radio Sales | |
| Sinetica Corporation Ltd | Specialises in integrating any device onto the IT network using SNMP | http://www.sinetica.co.uk |
| Singapore Telecom International Europe Ltd | Sales of Telecomms Equipment & Peripherals | http://www.singtel.com |
| Sirius Communications NV | - | http://www.sirius.be |
| Sirti Ltd | Telecommunication Equipment Sales | |
| SkyTel | - | http://www.skytel.com/ |
| Smallworld Systems Inc | - | http://www.smallworld-us.com/ |
| Smart Connection Co. Ltd | Telecommunication Service Provider | http://www.smartcon.uk.com |
| Smarttalk Communications Ltd | Telecommunication Solutions Providers | http://www.smarttalkuk.com |
| Smye-Rumsby Ltd | Suppliers of Communication Equipment | |
| Sofimation Ltd | - | http://personal.eunet.fi/pp/sofi/ |
| Solar Communications Ltd | Data & Voice Cabling | http://www.solar.co.uk |
| Solar Systems | - | http://www.solarsys.com/ |
| Solsis Ltd | PC Systems Sales & Support | http://www.solsis.co.uk |
| Sonic Communications International Ltd | Communications Equipment Manufacture & Sales | http://www.sonic-comms.com |
| Sony | - | http://www.sony.com/ |
| Sotas | Network and fraud management solutions; QOS, network performance, traffic analysis and billing verification systems | http://www.sotas.com/ |
| Sotel | I.T. & Telecommunication Solution Provider | http://www.sotel.co.uk |
| South West Telecomms Ltd | Telecommunications Equipment Sales & Support | |
| Space Innovations Ltd | Satellite Hardware & Software Systems Designers | http://www.sil.com |
| Space Technology Systems Ltd | Telecommunications Installations | |
| Speakerbus Ltd | Instant Voice Systems Manufacture | http://www.speakerbus.co.uk |
| Special Telephone Systems Ltd | Automatic Call Distribution | http://www.sts-call-centres.co.uk |
| Specialized Resources Inc | - | http://www.sritelecom.com/ |
| Spectron Communications Ltd | Data & Voice Cabling Installation | |
| Spectrum Electrical Group T/u E.C.S.G. Ltd | Data, Voice & Fibre Optic Cabling Installation | |
| Sphinx C.S.T. | Software Distributors | http://www.sphinxcst.co.uk |
| Spider Software Ltd | Software Development Services | http://www.spider.com |
| Spire Telecommunications Ltd | Telecomms Equipment Supplier | http://www.spiretelecom.co.uk |
| Spitfire Technology Group Ltd | Communication Systems Solutions Centre | http://www.spitfire.co.uk |
| Splice Fibre Management Systems | Fibre management systems | http://www.spliceuk.com |
| Sprintel Communications U.K. Ltd | Manufacture Hand Held Pagers | |
| SR Telecom | - | http://www.srtelecom.com |
| Stack Computer Solutions Ltd | Voice & Data Networking Solution Providers | http://www.stack.co.uk |
| Standard Microsystems Corporation | - | http://www.smc.com/ |
| Star Specialist Systems | Telecommunication Systems Sales & Installation | |
| Stento U.K. Ltd | Manufacture, supply and install integrated communications and security systems. | http://www.stento.co.uk |
| Sterry Communications U.K. Ltd | Telecommunications Systems Solution Providers | http://www.sterry.tcom.co.uk |
| Storacall Attachments Ltd | Communications Solution Providers | http://www.storacall.co.uk |
| Storacall Group Ltd | Telecommunications Equipment, Call Centre systems, Call Processors ACD & UCD, Voice Recording, Voice Mail, Telephone hoods, Telephone announcers | http://www.storacall.co.uk |
| StrataCom | - | http://www.stratacom.com/ |
| Stratum Media Ltd | Computer Equipment & Telephone Sales & Support | http://www.stratum-media.com |
| Sumitomo Electric Europe Ltd | Cabling Suppliers | |
| Summit Technologies Plc | Telecom & Computer Equipment Resellers | |
| Sun Microsystems | - | http://www.sun.com/ |
| Sunrise Telecom | Manufacturer and designer of handheld test sets and protocol analyzers for broadband service verification | http://www.sunrisetelecom.com |
| Sure Office Systems Ltd | Telecommunication Systems Sales & Support | http://www.sure-office.co.uk |
| Suretel Systems Ltd | Sales of Small Business Systems & Accessories | |
| SVEC Computer Corporation | - | http://www.SVEC.com/ |
| Switch Communications Ltd | Sales of Small Business Systems & Accessories | |
| Switch Electronics Ltd | Distributors of Mobile Phone Accessories | http://www.switchelectronics.ltd.uk |
| Switch Energy & Telecom | Telecoms Service Provider | http://www.switchtel.net |
| SX3 Service & Systems Solutions Ltd | I.T. Services | http://www.sx3.com |
| Sybiz Software U.K. Ltd | Accounting Software Suppliers | |
| Symbol Technologies International Headquarters | Manufacture Bar Coding Equipment | http://www.uk.symbol.com |
| Symphony Telecommunications Plc | Business Telecommunications Systems Sales | |
| Synectics Solutions Ltd | PC Systems Sales & Support | http://www.synectics-solutions.com |
| Synex Telecommunications Ltd | Telecommunication Equipment Sales & Support | http://www.synextelecom.co.uk |
| Sys-LAN | - | http://www.syslan.net/ |
| System Chytel Group Ltd | Mobile Phone Sales | |
| System Innovation AB | - | http://www.sysinno.se/ |
| System Management ARTS (SMARTS) | - | http://www.smarts.com/ |
| SystemNet | Systemnet is dedicated to providing our valued customers with complete business solutions. Our comprehensive range of expert services aims to meet the ever-changing I.T. demands of today's workplace | http://www.systemnet.com/ |
| Systems Telecoms Ltd | Refurbished Telecoms Equipment | http://www.systemstl.co.uk/ |
| T-Mobil | - | http://www.T-Mobil.de |
| T.A.D. Technical Services Ltd | Technical Service Specialists | http://www.taduk.co.uk |
| T.C.F. Computer Services Ltd | Computer Telephony & Document Imaging Solutions | http://www.tcfcomp.com |
| T.I.C. Enterprises | - | http://www.ticent.com |
| T.L.P. Technology Ltd | Computer Systems Sales & Support | http://www.tlpco.com |
| T.M.B. Systems Ltd | Telephone Systems Suppliers | |
| T.N.L. Communications Ltd | Business telephone system supplier, installer and maintainer | http://www.tnlcommunications.com |
| T.R.L. Technology Ltd | Design & Development of Satellite | http://www.trltech.co.uk |
| T.S. Electronics Ltd | Suppliers of UPS & Power Systems | http://www.tse-ltd.demon.co.uk |
| T.S.G. Systems Ltd | Computer/CTI Company | http://www.tsg.co.uk |
| Tadiran Microwave Networks Inc | Radio Communications Equipment Maintenance | |
| Tadiran Telecom | - | http://www.tadirantele.com/ |
| Tadpole Technology Plc | Computer Manufacturer | http://www.tadpole.co.uk |
| Takeda Technology Ltd | Install & Maintain Telecommunication Systems | |
| Talking Technology | Telephone Systems Sales & Installation | |
| Tandem Computers | - | http://www.tandem.com/ |
| Tantra Computers 2000 | - | |
| Taphon Ltd | Telecomms Equipment Supplier | |
| Task Communications Ltd | Telecommunication Solutions | |
| Taurus Business Equipment Ltd | Telecommunications Sales & Service | http://www.taurus-business.co.uk |
| Taylor Made Computer Solutions | Computer & Telecommunications Solution Providers | |
| TCS Cabling Installations Ltd | Network Installation Services | http://www.tcs-cabling.co.uk |
| TDK Semiconductor Corp. | - | http://www.tsc.tdk.com/ |
| TDMC Inc - Telecom Data Management Communications Inc | - | http://www.why.net/ftp/users/telecom/ |
| Team Communication Services Ltd | Structured Cabling & Connectivity Services | |
| Team Concept U.K. Ltd | Telecomms Equipment Provider | http://www.teamconcept.com |
| Technicable Ltd | Network Cabling Installations | http://www.technicable.co.uk |
| Technical Consulting Co. Ltd | Computer & Communications Solutions | http://www.tccl.co.uk |
| Technical Diagnostic Services, Inc. | Buy, Sell, Rent, Lease, Calibrate, Repair, Training, and Service Electrical Test Equipment | http://www.Test-Equipment-Rental.com |
| Techsite International AB | - | http://www.techsite.se/eng_frameset.html |
| Teclogic Ltd | Repair Telephone & Computer Equipment | http://www.teclogic.co.uk |
| Tecore Inc | - | http://www.tecore.com/ |
| Tekelec | - | http://www.tekelec.com/ |
| Tekton | - | http://www.tekton.com/ |
| Telco Centre | Mobile Telecommunications Suppliers | |
| Telco Systems Inc | - | http://www.telco.com/ |
| Telconex Ltd | Telecommunication Equipment Distribution | http://www.telconex.com |
| Teldor Wires and Cables | - | http://www.netvision.net.il/~teldor/ |
| Teleadapt Ltd | - | http://www.teleadapt.com |
| Telecall Ltd | Supply and maintenance of telephone systems and computer networks and associated equipment. | http://www.telecall.uk.com |
| Telecom & Data Systems Ltd | Telecommunications Systems & Installations | |
| Telecom (G.B.) Ltd | Least Cost Routers | |
| Telecom 2000 | Telecomms Equipment Sales | http://www.telecom.co.uk |
| Telecombeacon.com | USA consumer tips and long distance service comparison | http://www.telecombeacon.com |
| Telecom Consultants Ltd | Telecommunication Equipment Suppliers | |
| Telecom Direct Ltd | LCR Service Operating For Business Clients | http://:www.telecomdirect.co.uk |
| Telecom Express Ltd | Telecommunication Service Provider | http://www.telecomexpress.co.uk |
| Telecom F.M. Ltd | Design, Develop & Manufacture LCR Products | http://www.telecomfm.co.uk |
| Telecom Infinity | Telecom Infinity is an emerging provider of infrastructure solutions and services for telecommunications, digital television, interactive media and Internet industries and markets. The company has been granted Government authorisation/license to establish and operate a national broadband network in Ghana | http://www.telecominfinity.com |
| Telecom Maintenance Ltd | Telecommunication Systems Sales & Support | |
| Telecom Midlands Ltd | Communication Systems Suppliers | http://www.telecommidlands.co.uk |
| Telecom Northern | Telecomms Equipment Sales | |
| Telecom Plus Plc | Suppliers of Telecommunications Systems | http://www.telecomplus.co.uk |
| Telecom Products Ltd | IP telephony, voice over IP, ADSL and VOIP specialists. Supplying the latest IP PBX business telephone systems | http://www.telecom-products.biz |
| Telecom Reseller | Provides all your telecommunications equipment requirements | http://www.telecom-reseller.com/ |
| Telecom Supply Line Ltd | Supply Telecommunications Equipment & Cabling | http://www.telecomsupplyline.ltd.uk |
| Telecom Technologies Inc. | - | http://www.ttiweb.com |
| Telecom Tradeline Ltd | Suppliers of Telecommunications Equipment | |
| Telecom Wales Ltd | Telecommunication Solution Providers | http://www.telecomwales.com |
| Telecomet International Ltd | Communications Systems Installation & Development | http://www.telecomet.co.uk |
| Telecomms Installation & Maintenance Ltd | Data & Voice Cabling Installation | |
| Telecommunicable Plc | Telephone System Repairs | |
| Telecommunication Technology Maintenance Ltd | Telecommunication Systems Sales & Support | http://www.ttml.co.uk |
| Telecommunications International Agencies Ltd | Mobile Communications Sales | |
| Telecommunications U.K. Ltd | Telephone Information Management | http://www.telecomm-uk.co.uk |
| Telecost Ltd. | Call logging and billing software | http://www.telecost.co.uk |
| Telect | - | http://www.telect.com/ |
| Teledata | - | http://www.teledata.co.il/ |
| Telefficiency Ltd | Least Cost Routing Service | |
| Telefonix - Business Telephone Systems | Telefonix specialise in voice and data communications and provide innovative and cost effective solutions to customers from a wide range of industries. We provide expert help and advice for businesses and individuals alike. Products: Avaya IP Office, Panasonic KXTDA and Siemens HiPath. | http://www.telefonix.co.uk/ |
| Telegence Technologie Ltd | Call Centre & Suppliers of I.T. Products | http://www.telegence.co.uk |
| Telelogic AB | - | http://www.telelogic.se/ |
| Telemate Software | - | http://www.telemate.com/ |
| Telematic Ltd | Manufacture Lightning & Surge Protection Systems -incorportaed into MTL Surge Business Unit of Atlantic Scientific July 2002 | http://www.mtlsurge.com |
| Telephone Co. Ltd | Sales & Installation of Business Telephone Systems | |
| Telephone Maintenance Group Plc | Telecommunications Maintenance | |
| Telephone Management Systems Ltd | Telecomms Equipment Supplier | http://www.tms-int.com |
| Telephone Recorders Direct | Online shop for telephone call recording equipment | http://www.telephonerecordersdirect.com |
| Telephone Signalling (Systems) Ltd | Sales & Installation of Business Telephone Systems | http://www.telsig.co.uk |
| Telephonetics Interactive Voice Systems Ltd | Voice Interactive Telephone Systems Solutions | http://www.telephonetics.co.uk |
| Teleport U.K. Ltd T/a Satellite Media Services | Satellite Communication Service | http://www.sms.co.uk |
| Telequip Ltd | Sales & Installation of Telecommunications Equip | http://www.telequip.co.uk |
| Telesciences | Software House | |
| Telesens GmbH | - | http://www.telesens.de |
| Telesmart Developments Ltd | Computer Communications | http://www.telesmart.co.uk |
| Telesoft Design Ltd | Telecoms Equipment Engineering & Manufacture | http://www.telesoft-design.co.uk |
| Telesys U.K. Ltd | Telecommunications & Electrical Systems Solutions | http://www.telesys-uk.com |
| Telewood | Refurbished Second User Telephone Supplier | http://www.telewood.co.uk |
| Teligent Ltd | Network Development & Services | http://www.teligent.co.uk |
| Telindus Ltd. | - | http://www.telindus.co.uk |
| Telinet Ltd | Telecommunications & I.T. Solution Providers | http://www.telinet.co.uk |
| Tellabs Inc. | - | http://www.tellabs.com/ |
| Tellabs U.K. Ltd | Telecommunications Specialists | http://www.tellabs.com |
| Telnet (Residential) Ltd | Least Cost Routing | |
| Telrad | - | http://www.telrad.com/ |
| Telsis | Supplier of products for advanced telecommunications services | http://www.telsis.co.uk |
| Telsoft Inc. | Design and manufacture of telecom products | http://www.telsoftinfo.com |
| Telspec Europe Ltd | Manufacturer Telecommunications Equipment | http://www.telspec.co.uk |
| Telstar Communications | Communication Equipment Sales & Installation | |
| Teltrend Inc | - | http://www.teltrend.com/ |
| Teltrend Ltd | - | http://www.teltrend.co.uk |
| Telulex Inc | - | http://www.telulex.com/ |
| Telwise Ltd | Sales & Installation of Telecomm Systems | |
| Tensor Plc | Tensor Plc are leading manufacturers of time and attendance systems in the UK | http://www.tensor.co.uk |
| Terayon Corporation | - | http://www.terayon.com/ |
| Tergor Electronics Ltd | Manufacture Internal Communications Equipment | |
| Tertio Ltd | Computer & Telephony Integration | http://www.tertio.com |
| Tertis | - | http://www.tertio.com/telco |
| Test Solutions Technology Inc. | - | http://www.testsolutionstech.com |
| Teswaine Business Communications Ltd | Supply & Install Network Cabling | http://www.teswaine.co.uk |
| Tethers Unlimited | - | http://www.tethers.com/ |
| Tetrel Ltd | Manufacture & Distribute Pay PhonesInstall Voice & Data Communication Networks | |
| Texas Instruments' Digital Light Processing Site | - | http://www.ti.com/dlp/ |
| Texcel Technology Plc | Manufacture and Supplier of network & facility management systems.The Vision range of remote monitors enable cpmplex site management to become a reality. The VSys management system allows operators to manage their network at their NMC. | http://www.texceltechnology.com |
| TH Communications Ltd. | - | http://homepages.tcp.co.uk/~thcomm/ |
| The LeBLANC Group | - | http://www.leblanctelecom.com/ |
| Thin Film Technology | - | http://www.thin-film.com/ |
| Thermal Memory | MStrain relief cable protection heat shrink tubing for computer harnesses requiring MIL-DTL-23053, VG 95343, UL, CSA with UL3239 high voltage wires and AS41088 PTFE spirap - spiralwrap high temperature tubing. | http://www.shrinkfit.co.uk |
| Thomson Alarm & Communications Systems Ltd | Install Voice & Data Communication Networks | |
| Thomson Communications U.K. Ltd | Business Telecommunications Solutions | |
| Thornton Communications Ltd | Telecommunications Equipment Sales & Support | |
| Three Peaks Ltd | Computer Networking Specialists | |
| Threestar I.C.S. | Sales of Computer Hardware & Telecommunication Eqp | http://www.threestar.demon.co.uk |
| Thursby Sof |
