| Company name | Category |  | 
              
                | S and M Computer Cleaning Services | Enclosures and panel products |  | 
              
                | S and P Coil Products | Heatsinks and thermal management |  | 
              
                | S2 Technologies | Design and development software |  | 
              
                | S2S Electronics | Electronics manufacturing services |  | 
              
                | S3 Graphics | PC-compatible boards, assemblies |  | 
              
                | Sabic Innovative Plastics | Electronics manufacturing materials |  | 
              
                | Sabre Advanced Microelectronics | Analogue and mixed-signal ICs |  | 
              
                | Saelig | Design and development hardware |  | 
              
                | SAFC Hitech | IC and hybrid processing equipment |  | 
              
                | Safe Haven Technologies | Wireless communications |  | 
              
                | Safety Power | AC/DC power supplies |  | 
              
                | Saft Industrial Batteries | Batteries and chargers |  | 
              
                | Saft Lithium Battery Division | Batteries and chargers |  | 
              
                | Saft Rechargeable Battery Systems | Batteries and chargers |  | 
              
                | Saft Space and Defence Batteries | Batteries and chargers |  | 
              
                | Sagantec | Design services |  | 
              
                | Sage Laboratories | Interconnection |  | 
              
                | Sagem | PC-compatible boards, assemblies |  | 
              
                | Sager Electronics | Capacitors |  | 
              
                | Saia-Burgess | Switches and keyboards |  | 
              
                | Saifun Semiconductors | Memory devices and modules |  | 
              
                | Saivision Consulting | Design and development software |  | 
              
                | Samplify | Intellectual property cores |  | 
              
                | Samsung Electronics | Industry news |  | 
              
                | Samtec | PCB connectors |  | 
              
                | San Francisco Circuits | Electronics manufacturing services |  | 
              
                | Sandcraft | Microprocessors, microcontrollers and DSPs |  | 
              
                | Sandwork Design | Design and development software |  | 
              
                | Sanmina-SCI | Boards and backplanes |  | 
              
                | Sarantel | Antennas and feeders |  | 
              
                | Sarel | Floor-standing racks, cabinets, enclosures |  | 
              
                | SAS Commac | Switches and keyboards |  | 
              
                | Sasken Communication Technologies | Embedded software and operating systems |  | 
              
                | Saturn Electronics | Electronics manufacturing services |  | 
              
                | Saycom | Microprocessors, microcontrollers and DSPs |  | 
              
                | SBE | Networking hardware |  | 
              
                | SBS Technologies | Networking hardware |  | 
              
                | Scanimetrics | ATE systems |  | 
              
                | Scansoft | Design and development software |  | 
              
                | Scansource | Wireless communications |  | 
              
                | Scene Double | Networking hardware |  | 
              
                | SCH Technologies | Electronics manufacturing services |  | 
              
                | Schaefer | DC/AC inverters |  | 
              
                | Schaffner | EMC components |  | 
              
                | Schmartboard | Design and development hardware |  | 
              
                | Schmersal | Switches and keyboards |  | 
              
                | Schmidt Electronics | Electronics manufacturing materials |  | 
              
                | Schneider Electric | Power supplies |  | 
              
                | Schott | Electronics manufacturing materials |  | 
              
                | Schrader Electronics | Sensors and data acquisition |  | 
              
                | Schroder-Plast | Interconnection |  | 
              
                | Schroff | Instrument cases, benchtop, wall-mounting enclosures |  | 
              
                | Schurter | Circuit protection devices |  | 
              
                | Scitec Instruments | Lasers |  | 
              
                | Scottish Enterprise | Recruitment, reports, resources |  | 
              
                | Screaming Circuits | Electronics manufacturing services |  | 
              
                | Screen Technology | Industry news |  | 
              
                | SDC Systems | Embedded software and operating systems |  | 
              
                | SDK | Electronics manufacturing materials |  | 
              
                | SDS Systems Development and Solutions | AC/DC power supplies |  | 
              
                | Sea View Technologies | Exhibitions, courses, conferences, training |  | 
              
                | Seagate Technology | PC-compatible boards, assemblies |  | 
              
                | Sealant Equipment and Engineering | PCB assembly equipment, tools |  | 
              
                | Sealevel Systems | PC-compatible boards, assemblies |  | 
              
                | Seaward Electronic | Stand-alone instruments |  | 
              
                | Secure Retail | Industry news |  | 
              
                | Sedo Systems | Design and development hardware |  | 
              
                | Seestorm | Design and development software |  | 
              
                | Seica | ATE systems |  | 
              
                | Seiko Epson | Microprocessors, microcontrollers and DSPs |  | 
              
                | Seiko Instruments | Power-supply ICs and controllers |  | 
              
                | Select Fabricators | Electronics manufacturing, packaging |  | 
              
                | Selectronix | Optical transceivers, transponders, repeaters |  | 
              
                | Selwyn Electronics | Interconnection |  | 
              
                | SEMI | Recruitment, reports, resources |  | 
              
                | Semico Research | Recruitment, reports, resources |  | 
              
                | Semiconductor 2K | Exhibitions, courses, conferences, training |  | 
              
                | Semiconductor Circuits | DC/DC convertors |  | 
              
                | Semiconductor Test Consortium | Recruitment, reports, resources |  | 
              
                | Semiconwell | PCB connectors |  | 
              
                | Semrock | Optical filters, lenses, gratings |  | 
              
                | Semtech | Power-supply ICs and controllers |  | 
              
                | Semtek Innovative Solutions | Switches and keyboards |  | 
              
                | Sena Technologies | Wireless communications |  | 
              
                | Sensaura | Design and development software |  | 
              
                | Sensopart | Sensors and data acquisition |  | 
              
                | Sensor Products | Sensors and data acquisition |  | 
              
                | Sensoray | PC-compatible boards, assemblies |  | 
              
                | Sensorbility | Sensors and data acquisition |  | 
              
                | Sensorland | Sensors and data acquisition |  | 
              
                | Sensors Web Portal | Analogue and mixed-signal ICs |  | 
              
                | Sensortechnics | Sensors and data acquisition |  | 
              
                | Sequence Design | Design and development software |  | 
              
                | Sequi | Networking hardware |  | 
              
                | Sequoia Technology | Wireless communications |  | 
              
                | Seratel | PCB assembly equipment, tools |  | 
              
                | Sercos | Intellectual property cores |  | 
              
                | Servenger | Design and development hardware |  | 
              
                | Server Racks Australia | Floor-standing racks, cabinets, enclosures |  | 
              
                | Setcom | Compliance engineering |  | 
              
                | Setec | Power supplies |  | 
              
                | SFS | Switches and keyboards |  | 
              
                | SGS | Compliance engineering |  | 
              
                | Shafer Electronics | Electronics manufacturing services |  | 
              
                | Sharp Microelectronics | LCD modules |  | 
              
                | Shearline Precision Engineering | Electronics manufacturing services |  | 
              
                | Sheffield Hallam University | Industry news |  | 
              
                | Shenick | Stand-alone instruments |  | 
              
                | Shenton | Power-supply ICs and controllers |  | 
              
                | Shenzhen Santech Display | Light-emitting diodes (LEDs) |  | 
              
                | Shieldex Trading | Electronics manufacturing, packaging |  | 
              
                | Shindengen | Discrete power devices |  | 
              
                | Shipley | Electronics manufacturing materials |  | 
              
                | Si-Gate | Sensors and data acquisition |  | 
              
                | Siano Mobile Silicon | Communications ICs (wireless) |  | 
              
                | SIC | Electronics manufacturing services |  | 
              
                | Siel UPS Systems | UPSs |  | 
              
                | Siemens | Communications ICs (wired) |  | 
              
                | Siemens A and D Electronics Assembly Systems | PCB assembly equipment, tools |  | 
              
                | Siemens Automation and Drives | Circuit protection devices |  | 
              
                | Siemens ICN | Optical transceivers, transponders, repeaters |  | 
              
                | Siemens PLM Software | PCB assembly equipment, tools |  | 
              
                | Siemens PSE Pro | Wireless communications |  | 
              
                | Siemic Laboratories | Compliance engineering |  | 
              
                | Siemon | Cables and wires |  | 
              
                | Sierra Wireless | Wireless communications |  | 
              
                | Sige Semiconductor | Communications ICs (wireless) |  | 
              
                | Sight Systems | Instrument cases, benchtop, wall-mounting enclosures |  | 
              
                | Sigma Print Technologies | Electronics manufacturing, packaging |  | 
              
                | Signal Forge | Stand-alone instruments |  | 
              
                | Signal Measurement | Interconnection |  | 
              
                | Signal Technology - Olektron Operation | Subassemblies |  | 
              
                | Signalion | Compliance engineering |  | 
              
                | Signametrics | Board-level instruments |  | 
              
                | Signatrol | Stand-alone instruments |  | 
              
                | Silica | Microprocessors, microcontrollers and DSPs |  | 
              
                | Silicann Technologies | Analogue and mixed-signal ICs |  | 
              
                | Silicon 7 | Memory devices and modules |  | 
              
                | Silicon and Software Systems | Intellectual property cores |  | 
              
                | Silicon Canvas | Design and development software |  | 
              
                | Silicon Concepts | Design and development hardware |  | 
              
                | Silicon Expert Technologies | Design and development software |  | 
              
                | Silicon Hive | Intellectual property cores |  | 
              
                | Silicon Image | Communications ICs (wired) |  | 
              
                | Silicon Integrated Systems | Microprocessors, microcontrollers and DSPs |  | 
              
                | Silicon Laboratories | Communications ICs (wireless) |  | 
              
                | Silicon Laude | Design and development hardware |  | 
              
                | Silicon Logic Engineering | Intellectual property cores |  | 
              
                | Silicon Metrics | Design and development software |  | 
              
                | Silicon Navigator | Design and development software |  | 
              
                | Silicon Optix | Microprocessors, microcontrollers and DSPs |  | 
              
                | Silicon Perspective | Microprocessors, microcontrollers and DSPs |  | 
              
                | Silicon Power Computer and Communications | Memory devices and modules |  | 
              
                | Silicon Storage Technology | Memory devices and modules |  | 
              
                | Siliconaire | Design services |  | 
              
                | Siliconblue Technologies | Programmable logic devices |  | 
              
                | Silterra Malaysia | Microprocessors, microcontrollers and DSPs |  | 
              
                | Silver Fox | Electronics manufacturing materials |  | 
              
                | Silverback Systems | Communications ICs (wired) |  | 
              
                | Simac Masic and TSS | Stand-alone instruments |  | 
              
                | Simec | Design and development software |  | 
              
                | Simpletech | Memory devices and modules |  | 
              
                | Sims Recycling Solutions | Compliance engineering |  | 
              
                | Simtek | Memory devices and modules |  | 
              
                | Singapore Exhibition Services | Exhibitions, courses, conferences, training |  | 
              
                | Single Board Systems | Embedded computing and control |  | 
              
                | Sintecs | Design services |  | 
              
                | Sipackets | Communications ICs (wired) |  | 
              
                | Sipex | Power-supply ICs and controllers |  | 
              
                | Siport | Communications ICs (wireless) |  | 
              
                | Sira | Compliance engineering |  | 
              
                | Sires Labs | Optoelectronics |  | 
              
                | Sirf Technology | Communications ICs (wireless) |  | 
              
                | Sitel Semiconductor | Communications ICs (wireless) |  | 
              
                | SJ Electronics | Stand-alone instruments |  | 
              
                | Skunkworks Technology | Floor-standing racks, cabinets, enclosures |  | 
              
                | Skyray XRF | Compliance engineering |  | 
              
                | Skytraq Technology | Communications ICs (wireless) |  | 
              
                | SL Power Electronics | AC/DC power supplies |  | 
              
                | Small Technology | DC/DC convertors |  | 
              
                | Smart | Exhibitions, courses, conferences, training |  | 
              
                | Smart Cymru | Recruitment, reports, resources |  | 
              
                | Smart Modular Technologies | Memory devices and modules |  | 
              
                | Smart Network Devices | Design and development software |  | 
              
                | Smart Power Systems | UPSs |  | 
              
                | Smartdrive | DC/AC inverters |  | 
              
                | Smitech | Stand-alone instruments |  | 
              
                | Smithers Rapra | Recruitment, reports, resources |  | 
              
                | Smiths Interconnect - EMC Technology | EMC components |  | 
              
                | Smiths Interconnect - Florida RF Labs | Resistors |  | 
              
                | Smiths Interconnect - Hypertac | Plugs and sockets |  | 
              
                | Smiths Interconnect - Hypertronics | PCB connectors |  | 
              
                | Smiths Interconnect - Polyphaser | Circuit protection devices |  | 
              
                | Smiths Interconnect - Radio Waves | Antennas and feeders |  | 
              
                | Smiths Interconnect - Sabritec | Plugs and sockets |  | 
              
                | Smiths Interconnect - Summitek Instruments | Stand-alone instruments |  | 
              
                | Smiths Interconnect - Times Microwave | Cables and wires |  | 
              
                | Smiths Interconnect - Transtector Systems | Circuit protection devices |  | 
              
                | SMP Sintermetalle Prometheus | EMC components |  | 
              
                | SMSC | Communications ICs (wired) |  | 
              
                | Snaptec | DC/DC convertors |  | 
              
                | Snaptron | Electronics manufacturing materials |  | 
              
                | Snijder Micro Systems | Embedded computing and control |  | 
              
                | Snowbush Microelectronics | Intellectual property cores |  | 
              
                | Snowolf Communications | Recruitment, reports, resources |  | 
              
                | Socket Communications | Wireless communications |  | 
              
                | Socomec Sicon UPS | UPSs |  | 
              
                | Sofimation | Compliance engineering |  | 
              
                | Softbaugh | Design services |  | 
              
                | Softcover | Design and development software |  | 
              
                | Softjin Technologies | Design and development software |  | 
              
                | Softpro | Embedded software and operating systems |  | 
              
                | Software Acumen | Design and development software |  | 
              
                | Softwire | Design and development software |  | 
              
                | Soisic | Design and development hardware |  | 
              
                | Soitec | Electronics manufacturing materials |  | 
              
                | Solar Technologies | LCD modules |  | 
              
                | Solarflare | Communications ICs (wired) |  | 
              
                | Solartron ISA | Stand-alone instruments |  | 
              
                | Solartron Metrology | Sensors and data acquisition |  | 
              
                | Solbraze | Electronics manufacturing materials |  | 
              
                | Solder Connection | Electronics manufacturing materials |  | 
              
                | Solderstar | Electronics manufacturing quality assurance |  | 
              
                | Soldertec | Recruitment, reports, resources |  | 
              
                | Solid State Supplies | Power-supply ICs and controllers |  | 
              
                | Solido Design Automation | Design and development software |  | 
              
                | Somerled | PC-compatible boards, assemblies |  | 
              
                | Sondrel | Design services |  | 
              
                | Song Chuan | Electromechanical components |  | 
              
                | Sonic Solutions | Embedded software and operating systems |  | 
              
                | Sonics | Design and development software |  | 
              
                | Sony - Image Sensing Solutions | Sensors and data acquisition |  | 
              
                | Sony - Semiconductor Division | Communications ICs (wired) |  | 
              
                | Sony Manufacturing Systems | PCB assembly equipment, tools |  | 
              
                | Sony Timms | Electronics manufacturing materials |  | 
              
                | Sorion Electronics | Stand-alone instruments |  | 
              
                | Souriau | Plugs and sockets |  | 
              
                | South West of England Regional Development Agency | Recruitment, reports, resources |  | 
              
                | Southampton Photonics | Lasers |  | 
              
                | Southern Compliance Association | Recruitment, reports, resources |  | 
              
                | Southern Electronics Exhibition | Exhibitions, courses, conferences, training |  | 
              
                | Southern Manufacturing and Electronics Show | Exhibitions, courses, conferences, training |  | 
              
                | Southern Scientific | Board-level instruments |  | 
              
                | SP Precision | Electronics manufacturing, packaging |  | 
              
                | Spaceage Control | Sensors and data acquisition |  | 
              
                | Spansion | Memory devices and modules |  | 
              
                | Spartan | Design and development hardware |  | 
              
                | Spartanics | PCB assembly equipment, tools |  | 
              
                | Spea | ATE systems |  | 
              
                | Special Application Products | Electronics manufacturing quality assurance |  | 
              
                | Specialist Electronics Services | Sensors and data acquisition |  | 
              
                | Specialized Products | Stand-alone instruments |  | 
              
                | Spectra Linear | Frequency control components |  | 
              
                | Spectre | Wireless communications |  | 
              
                | Spectrum | Communications ICs (wired) |  | 
              
                | Spectrum Systementwicklung Microelectronic | Sensors and data acquisition |  | 
              
                | Spectrum Technologies | Electronics manufacturing materials |  | 
              
                | Speedboard | Electronics manufacturing services |  | 
              
                | Speeds Consortium | Recruitment, reports, resources |  | 
              
                | Spellman High Voltage Electronics | AC/DC power supplies |  | 
              
                | Spelsberg | Floor-standing racks, cabinets, enclosures |  | 
              
                | Spirent Communications | Stand-alone instruments |  | 
              
                | Spirit Consortium | Industry news |  | 
              
                | Spirit DSP | Embedded software and operating systems |  | 
              
                | Splashpower | Batteries and chargers |  | 
              
                | Spot Components | Capacitors |  | 
              
                | SPP Process Technology Systems | IC and hybrid processing equipment |  | 
              
                | Spraycool | Heatsinks and thermal management |  | 
              
                | Spreadtrum Communications | Communications ICs (wired) |  | 
              
                | SPS Electronic | Stand-alone instruments |  | 
              
                | SRS Labs | Embedded software and operating systems |  | 
              
                | SRS Products | Instrument cases, benchtop, wall-mounting enclosures |  | 
              
                | ST Assembly Test Services | Boards and backplanes |  | 
              
                | St Cross Electronics | Cables and wires |  | 
              
                | ST Microelectronics | Communications ICs (wired) |  | 
              
                | Stable Micro Systems | Stand-alone instruments |  | 
              
                | Staccato Communications | Communications ICs (wireless) |  | 
              
                | Stackpole Electronics | Resistors |  | 
              
                | Staco Systems | Switches and keyboards |  | 
              
                | Stadium | Electronics manufacturing services |  | 
              
                | Staffordshire University | Compliance engineering |  | 
              
                | Standard Radio Telecom | Wireless communications |  | 
              
                | Stanley Supply and Services | Electronics manufacturing materials |  | 
              
                | Stantronic Instruments | Stand-alone instruments |  | 
              
                | Stargen | Communications ICs (wired) |  | 
              
                | Starling Advanced Communication | Stand-alone instruments |  | 
              
                | State of the Art | Resistors |  | 
              
                | Static Control Components | Electronics manufacturing quality assurance |  | 
              
                | Staubli Connectors | Heatsinks and thermal management |  | 
              
                | Steadlands | Resistors |  | 
              
                | Stealth Computer | Monitors |  | 
              
                | Steatite | Embedded computing and control |  | 
              
                | Stedham Electronics | Sensors and data acquisition |  | 
              
                | Step Enterprise | Recruitment, reports, resources |  | 
              
                | Steward | EMC components |  | 
              
                | Stewart Connector | Plugs and sockets |  | 
              
                | STI Electronics | Electronics manufacturing quality assurance |  | 
              
                | Stone Pillar Technologies | Design and development software |  | 
              
                | Storcase Technology | Floor-standing racks, cabinets, enclosures |  | 
              
                | Storm Semiconductors | Communications ICs (wired) |  | 
              
                | Stortech Electronics | Sensors and data acquisition |  | 
              
                | Stratedge | IC and hybrid processing equipment |  | 
              
                | Strategic Environmental Management | Recruitment, reports, resources |  | 
              
                | Strategic Test | Board-level instruments |  | 
              
                | Strategy Analytics | Recruitment, reports, resources |  | 
              
                | Stretch | Intellectual property cores |  | 
              
                | Strongbox | Floor-standing racks, cabinets, enclosures |  | 
              
                | Stroud Instruments | Stand-alone instruments |  | 
              
                | STS | Communications ICs (wireless) |  | 
              
                | Subcon | Exhibitions, courses, conferences, training |  | 
              
                | Sullins Connector Solutions | PCB connectors |  | 
              
                | Sumitomo Electric Industries | Optical transceivers, transponders, repeaters |  | 
              
                | Summit Design | Design and development software |  | 
              
                | Summit Microelectronics | Power-supply ICs and controllers |  | 
              
                | Sun Microsystems - Network Systems | Subassemblies |  | 
              
                | Sun Microsystems Microelectronics | Active components |  | 
              
                | Sunburst Electronics | Electronics manufacturing services |  | 
              
                | Sundance DSP | Analogue and mixed-signal ICs |  | 
              
                | Sundance Multiprocessor Technology | Design and development hardware |  | 
              
                | Sunon | Fans and blowers |  | 
              
                | Sunpower | AC/DC power supplies |  | 
              
                | Supertex | Power-supply ICs and controllers |  | 
              
                | Superworld Electronics | Power supplies |  | 
              
                | Surf Communication Solutions | Networking hardware |  | 
              
                | Surge Suppression | Circuit protection devices |  | 
              
                | Surtech Distribution | Floor-standing racks, cabinets, enclosures |  | 
              
                | Sustainability Live | Exhibitions, courses, conferences, training |  | 
              
                | Swansea University | Exhibitions, courses, conferences, training |  | 
              
                | SWBOX | Design and development software |  | 
              
                | Swift Textile Metalizing | Electronics manufacturing materials |  | 
              
                | Swissbit | Memory devices and modules |  | 
              
                | Switchcraft | Plugs and sockets |  | 
              
                | Switchtec | Electromechanical components |  | 
              
                | SY Electronics | Networking hardware |  | 
              
                | Syfer Technology | Capacitors |  | 
              
                | Symmetricom | Networking hardware |  | 
              
                | Symmetry Electronics | Analogue and mixed-signal ICs |  | 
              
                | Synad Technologies | Communications ICs (wireless) |  | 
              
                | Synapti CAD Sales | Design and development software |  | 
              
                | Synaptics | Touchscreens and touch sensors |  | 
              
                | Synergetix | Interconnection |  | 
              
                | Synergy Microsystems | VMEbus boards, assemblies |  | 
              
                | Synopsys | Design and development software |  | 
              
                | Synplicity | Design and development software |  | 
              
                | Synqor | DC/DC convertors |  | 
              
                | Syntest Technologies | Design and development hardware |  | 
              
                | Sypris Electronics | Electronics manufacturing services |  | 
              
                | Syscom Technology | Cables and wires |  | 
              
                | Sysgo | Embedded software and operating systems |  | 
              
                | Sysnucleus | Design and development software |  | 
              
                | Systech Illinois | Electronics manufacturing, packaging |  | 
              
                | System Crafter | Design and development software |  | 
              
                | Systems Quasi-Recursive | Industry news |  | 
              
                | Systolix | Design and development software |  |