| Company name | Category |  | 
              
                | I-Cube | Communications ICs (wired) |  | 
              
                | I-Logix | Design and development software |  | 
              
                | I-SFT | Industry news |  | 
              
                | IAR Systems | Design and development software |  | 
              
                | Ibase | Embedded computing and control |  | 
              
                | Ibase Technology | PC-compatible boards, assemblies |  | 
              
                | Iberium Communications | Intellectual property cores |  | 
              
                | Ibiquity Digital | Wireless communications |  | 
              
                | IBM Haifa Research Lab | Design services |  | 
              
                | IBM PLM Solutions | Design and development software |  | 
              
                | Ibsen Photonics | Optical filters, lenses, gratings |  | 
              
                | IBT Power | Batteries and chargers |  | 
              
                | IC Electronic Components | Microprocessors, microcontrollers and DSPs |  | 
              
                | IC Insights | Industry news |  | 
              
                | IC Interconnect | Electronics manufacturing services |  | 
              
                | IC Manage | Design and development software |  | 
              
                | IC Mask Design | Design services |  | 
              
                | IC Nexus | Design and development hardware |  | 
              
                | IC-Haus | Analogue and mixed-signal ICs |  | 
              
                | Icape | Boards and backplanes |  | 
              
                | Iceberg Associates | Design and development software |  | 
              
                | Icera Semiconductor | Communications ICs (wireless) |  | 
              
                | Icom | Enclosures and panel products |  | 
              
                | Icop Technology | Embedded computing and control |  | 
              
                | Icore | Plugs and sockets |  | 
              
                | ICP | PC-compatible boards, assemblies |  | 
              
                | ICS | Capacitors |  | 
              
                | ICS-Zierick | Interconnection |  | 
              
                | ICSI | Microprocessors, microcontrollers and DSPs |  | 
              
                | ID Data | Memory devices and modules |  | 
              
                | ID Tech Ex | Exhibitions, courses, conferences, training |  | 
              
                | IDC Technologies | Exhibitions, courses, conferences, training |  | 
              
                | IDEA | Recruitment, reports, resources |  | 
              
                | Ideal Industries | Stand-alone instruments |  | 
              
                | Ideal Power | DC/DC convertors |  | 
              
                | Idec Electronics | Electromechanical components |  | 
              
                | Identco | Electronics manufacturing materials |  | 
              
                | Ideveloper Network | Design and development software |  | 
              
                | IDM Electronics | Interconnection |  | 
              
                | IDT | Communications ICs (wired) |  | 
              
                | IEEE ESTC-2008 Conference and Exhibition | Exhibitions, courses, conferences, training |  | 
              
                | IEEE P1581 Working Group | Recruitment, reports, resources |  | 
              
                | IEEE Reliability and CPMT Society | Exhibitions, courses, conferences, training |  | 
              
                | IET Labs | Stand-alone instruments |  | 
              
                | IFR Systems | Stand-alone instruments |  | 
              
                | IGG Component Technology | Design services |  | 
              
                | Ignios | Intellectual property cores |  | 
              
                | IGT Industries | Design services |  | 
              
                | IHS Engineering | Design and development software |  | 
              
                | IIR Exhibitions | Exhibitions, courses, conferences, training |  | 
              
                | Ikanos Communications | Communications ICs (wired) |  | 
              
                | Ikonvergenz | Reference designs |  | 
              
                | IKOS Systems | Design and development hardware |  | 
              
                | Ilab | Microprocessors, microcontrollers and DSPs |  | 
              
                | Imagination Technologies | Intellectual property cores |  | 
              
                | Imaging Solutions | Intellectual property cores |  | 
              
                | IMAPS | Exhibitions, courses, conferences, training |  | 
              
                | IMB Enterprises | Networking hardware |  | 
              
                | IMEC | Design and development software |  | 
              
                | Imerge | Embedded software and operating systems |  | 
              
                | Immersion | Touchscreens and touch sensors |  | 
              
                | IMO Precision Controls | Enclosures and panel products |  | 
              
                | Imperial Connector Systems | Plugs and sockets |  | 
              
                | Impinj | Intellectual property cores |  | 
              
                | Impulse | Embedded computing and control |  | 
              
                | Impulse Accelerated Technologies | Design and development software |  | 
              
                | IMS Connector Systems | Cables and wires |  | 
              
                | IMS Research | Recruitment, reports, resources |  | 
              
                | Imsys Technologies | Microprocessors, microcontrollers and DSPs |  | 
              
                | In2connect | PCB connectors |  | 
              
                | In2tec | Switches and keyboards |  | 
              
                | Incentia Design Systems | Design and development software |  | 
              
                | Incite Technology | Sensors and data acquisition |  | 
              
                | Indigo Vision | Communications ICs (wired) |  | 
              
                | Indium | Electronics manufacturing materials |  | 
              
                | Indukey | Switches and keyboards |  | 
              
                | Industrial Capacitors | Capacitors |  | 
              
                | Industrial Vision Systems | Electronics manufacturing materials |  | 
              
                | Industry Live | Exhibitions, courses, conferences, training |  | 
              
                | Inelco | Industry news |  | 
              
                | Inelco Hunter | Circuit protection devices |  | 
              
                | INEMI | Recruitment, reports, resources |  | 
              
                | Ines | PC-compatible boards, assemblies |  | 
              
                | Infineon Technologies | Microprocessors, microcontrollers and DSPs |  | 
              
                | Infinera | Optical transceivers, transponders, repeaters |  | 
              
                | Infiniscale | Design and development software |  | 
              
                | Infocus | Memory devices and modules |  | 
              
                | Infolytica | Design and development software |  | 
              
                | Informa Telecoms and Media | Recruitment, reports, resources |  | 
              
                | Infrant Technologies | Microprocessors, microcontrollers and DSPs |  | 
              
                | InfraRed Integrated Systems (Irisys) | Optoelectronics |  | 
              
                | Inhand Electronics | Embedded computing and control |  | 
              
                | Innologic Systems | Design and development software |  | 
              
                | Innolume | Lasers |  | 
              
                | Innotech | Design and development software |  | 
              
                | Innov-X Systems | Compliance engineering |  | 
              
                | Innovasic Semiconductor | Microprocessors, microcontrollers and DSPs |  | 
              
                | Innovation Advisory Service | Recruitment, reports, resources |  | 
              
                | Innovation Centres Scotland | Recruitment, reports, resources |  | 
              
                | Innovation First | Floor-standing racks, cabinets, enclosures |  | 
              
                | Innovative Micro Technology | Electronics manufacturing services |  | 
              
                | Innovative Semiconductors | Intellectual property cores |  | 
              
                | Innovative Silicon | Memory devices and modules |  | 
              
                | Innoveda | Design and development software |  | 
              
                | Innovision Research and Technology | Communications ICs (wireless) |  | 
              
                | Innvo Systems | Embedded software and operating systems |  | 
              
                | Inova Computers | CompactPCI boards, assemblies |  | 
              
                | Inovys | ATE systems |  | 
              
                | Inphi | Standard logic devices |  | 
              
                | Inplay Technologies, Duraswitch Division | Switches and keyboards |  | 
              
                | Inseto | PCB assembly equipment, tools |  | 
              
                | Inside Contactless | Communications ICs (wireless) |  | 
              
                | Insignia Solutions | Embedded software and operating systems |  | 
              
                | Insilicon | Intellectual property cores |  | 
              
                | Institute for System Level Integration | Design services |  | 
              
                | Institute of Acoustics | Industry news |  | 
              
                | Institute of Telecommunications Professionals | Recruitment, reports, resources |  | 
              
                | Institution of Engineering and Technology | Exhibitions, courses, conferences, training |  | 
              
                | Instrument Plastics | Industry news |  | 
              
                | Instrumentel | Wireless communications |  | 
              
                | Insys Microelectronics | Communications ICs (wireless) |  | 
              
                | Intact Software | Embedded software and operating systems |  | 
              
                | Integrated Dispensing Systems | PCB assembly equipment, tools |  | 
              
                | Integrated Engineering | Wireless communications |  | 
              
                | Integrated Measurement Systems | Design and development hardware |  | 
              
                | Integrated Microelectronics | Electronics manufacturing services |  | 
              
                | Integrated Silicon Solution | Memory devices and modules |  | 
              
                | Integrated System Technologies | AC/DC power supplies |  | 
              
                | Integre Technologies | Design and development software |  | 
              
                | Intek Adhesives | Electronics manufacturing, packaging |  | 
              
                | Intel | Microprocessors, microcontrollers and DSPs |  | 
              
                | Intelicoat Technologies | Electronics manufacturing materials |  | 
              
                | Intellasys | Microprocessors, microcontrollers and DSPs |  | 
              
                | Intellect | Recruitment, reports, resources |  | 
              
                | Intelliam | CompactPCI boards, assemblies |  | 
              
                | Intellicom Innovation | Networking hardware |  | 
              
                | Intelliconnect | Plugs and sockets |  | 
              
                | Intelligent Distributed Controls | Compliance engineering |  | 
              
                | Intellitech | ATE systems |  | 
              
                | Intelmac | Optoelectronics |  | 
              
                | Intense | Lasers |  | 
              
                | Intepro | ATE systems |  | 
              
                | Interactive Products | Design and development software |  | 
              
                | Interalia Communications | Communications ICs (wireless) |  | 
              
                | Interconnection Research | Boards and backplanes |  | 
              
                | Interconnex | Boards and backplanes |  | 
              
                | Interface Components | Plugs and sockets |  | 
              
                | Interface Concept | VMEbus boards, assemblies |  | 
              
                | Interface Masters Technologies | Networking hardware |  | 
              
                | International Coil | DC/DC convertors |  | 
              
                | International Electrotechnical Commission | Recruitment, reports, resources |  | 
              
                | International Engineering Consortium | Exhibitions, courses, conferences, training |  | 
              
                | International Rectifier | Power-supply ICs and controllers |  | 
              
                | Interphase | CompactPCI boards, assemblies |  | 
              
                | Intersema Sensoric | Sensors and data acquisition |  | 
              
                | Intersil | Power-supply ICs and controllers |  | 
              
                | Interstate Connecting Components | PCB connectors |  | 
              
                | Intertech-Pira | Exhibitions, courses, conferences, training |  | 
              
                | Intertek | Compliance engineering |  | 
              
                | Intertronics | Electronics manufacturing materials |  | 
              
                | Intime Software | Design and development software |  | 
              
                | Intrinsity | Microprocessors, microcontrollers and DSPs |  | 
              
                | Inventronics | Instrument cases, benchtop, wall-mounting enclosures |  | 
              
                | Invents | Exhibitions, courses, conferences, training |  | 
              
                | Invetech | Industry news |  | 
              
                | Invotec | Interconnection |  | 
              
                | Iosoft | Design and development software |  | 
              
                | IP Cores | Intellectual property cores |  | 
              
                | IP Extreme | Intellectual property cores |  | 
              
                | IP Supermarket | Intellectual property cores |  | 
              
                | IPC | Exhibitions, courses, conferences, training |  | 
              
                | IPC Systems | PC-compatible boards, assemblies |  | 
              
                | IPTE | PCB assembly equipment, tools |  | 
              
                | IQC | Plugs and sockets |  | 
              
                | IQD Frequency Products | Frequency control components |  | 
              
                | IQPC | Exhibitions, courses, conferences, training |  | 
              
                | IRC Advanced Film Division | Resistors |  | 
              
                | IRC Wirewound and Film Technologies | Resistors |  | 
              
                | Iris Technologies | Communications ICs (wired) |  | 
              
                | ISCET | Exhibitions, courses, conferences, training |  | 
              
                | Iskra Feriti | Capacitors |  | 
              
                | Iskratel Electronics | Active components |  | 
              
                | Ismosys | Wireless communications |  | 
              
                | Isocom | Circuit protection devices |  | 
              
                | Isocom Components | Circuit protection devices |  | 
              
                | Isocool | Electronics manufacturing services |  | 
              
                | Isystem | Design and development hardware |  | 
              
                | ITE Tech | Wireless communications |  | 
              
                | Itochu | ATE systems |  | 
              
                | Itox | PC-compatible boards, assemblies |  | 
              
                | Itrinegy | Stand-alone instruments |  | 
              
                | Itron | Monitors |  | 
              
                | ITT Microwave Systems | Communications ICs (wired) |  | 
              
                | Ittia | Embedded software and operating systems |  | 
              
                | Ivas Tech | Electronics manufacturing materials |  | 
              
                | Iveia | Embedded computing and control |  | 
              
                | Iwave Systems Technologies | Embedded computing and control |  | 
              
                | Iwow Connections | Wireless communications |  | 
              
                | Ixia | Stand-alone instruments |  | 
              
                | Ixxat | Networking hardware |  | 
              
                | Ixys Semiconductor | Discrete power devices |  |