| Company name | Category |  | 
              
                | B and K Precision | Stand-alone instruments |  | 
              
                | B3 Cable Solutions | Cables and wires |  | 
              
                | Babel Technologies | Embedded software and operating systems |  | 
              
                | BABT | Compliance engineering |  | 
              
                | BAE Systems Aerospace Controls | Design and development software |  | 
              
                | Bandspeed | Communications ICs (wired) |  | 
              
                | Baolab Microsystems | Electromechanical components |  | 
              
                | Baracoda | Wireless communications |  | 
              
                | Baran Advanced Technologies | Switches and keyboards |  | 
              
                | Barix | Networking hardware |  | 
              
                | Barric | Electronics manufacturing services |  | 
              
                | Bartec | Cables and wires |  | 
              
                | Bartley Machine and Manufacturing | Wireless communications |  | 
              
                | BASF | Electronics manufacturing materials |  | 
              
                | Baumer Electric | Sensors and data acquisition |  | 
              
                | Bay Microsystems | Communications ICs (wired) |  | 
              
                | Bazix | Microprocessors, microcontrollers and DSPs |  | 
              
                | BC Components | Capacitors |  | 
              
                | BC Electrical Techniques | Capacitors |  | 
              
                | Beach Solutions | Design and development software |  | 
              
                | Beamex | Test accessories |  | 
              
                | Bear Power Supplies | AC/DC power supplies |  | 
              
                | Beganto | Recruitment, reports, resources |  | 
              
                | Bel Art Products | Electronics manufacturing materials |  | 
              
                | Bel Power | DC/DC convertors |  | 
              
                | Belden CDT | Cables and wires |  | 
              
                | Bellum | Design and development software |  | 
              
                | Benz | Electronics manufacturing materials |  | 
              
                | Berg Insight | Recruitment, reports, resources |  | 
              
                | Bergquist | Heatsinks and thermal management |  | 
              
                | Berkeley Design Automation | Design and development software |  | 
              
                | Berkeley Nucleonics | Stand-alone instruments |  | 
              
                | Bernic | Floor-standing racks, cabinets, enclosures |  | 
              
                | Beru F1 Systems | Cables and wires |  | 
              
                | Besang | Memory devices and modules |  | 
              
                | Best | Exhibitions, courses, conferences, training |  | 
              
                | Best Electronics and Components | Analogue and mixed-signal ICs |  | 
              
                | Betatherm | Capacitors |  | 
              
                | BF Technology | LCD modules |  | 
              
                | BFI Optilas | Wireless communications |  | 
              
                | BHR | Recruitment, reports, resources |  | 
              
                | BI Electronics | Electronics manufacturing services |  | 
              
                | BI Technologies Electronic Components | Resistors |  | 
              
                | BI Technologies Magnetic Components Division | Transformers and inductors |  | 
              
                | BI Technologies SMT | Resistors |  | 
              
                | Bierley | Electronics manufacturing quality assurance |  | 
              
                | Binder | Plugs and sockets |  | 
              
                | Bindkey Technologies | Design and development software |  | 
              
                | Birdstep Technology | Embedded software and operating systems |  | 
              
                | Bitbox | Sensors and data acquisition |  | 
              
                | Bitsim | Design services |  | 
              
                | Bitwave Semiconductor | Communications ICs (wireless) |  | 
              
                | Bizzen | Stand-alone instruments |  | 
              
                | Black Stick | Design services |  | 
              
                | Blackfox Training Institute | Exhibitions, courses, conferences, training |  | 
              
                | Blackhawk | Design and development software |  | 
              
                | Blaze DFM | Design and development software |  | 
              
                | Blazepoint | PC-compatible boards, assemblies |  | 
              
                | Bliley Technologies | Frequency control components |  | 
              
                | Bliss Industries | Electronics manufacturing materials |  | 
              
                | Block | Transformers and inductors |  | 
              
                | BLT Circuit Services | Electronics manufacturing materials |  | 
              
                | Blue 2 Space | Wireless communications |  | 
              
                | Blue Chip Technology | Embedded computing and control |  | 
              
                | Blue Ridge Numerics | Design and development software |  | 
              
                | Blue Sky Research | Lasers |  | 
              
                | Bluebeam Software | Design and development |  | 
              
                | Bluefish Technologies | Communications ICs (wired) |  | 
              
                | Bluegiga Technologies | Wireless communications |  | 
              
                | Bluesocket | Networking hardware |  | 
              
                | Bluestone Technology | Design and development software |  | 
              
                | Bluewater Systems | Networking hardware |  | 
              
                | Blundell Production Equipment | PCB assembly equipment, tools |  | 
              
                | Board Test Workshops | Exhibitions, courses, conferences, training |  | 
              
                | Boiswood | Electronics manufacturing, packaging |  | 
              
                | Bomar Interconnect Products | Plugs and sockets |  | 
              
                | Bookham | Optical transceivers, transponders, repeaters |  | 
              
                | Bops | Embedded software and operating systems |  | 
              
                | Borri | UPSs |  | 
              
                | Bosch Automotive | Sensors and data acquisition |  | 
              
                | Boss Enclosures | Floor-standing racks, cabinets, enclosures |  | 
              
                | Bourdon Sedeme | Active components |  | 
              
                | BPM Microsystems | Design and development hardware |  | 
              
                | Brace Design Solutions | Intellectual property cores |  | 
              
                | Brady Corporation | Electronics manufacturing materials |  | 
              
                | Brainboxes | Wireless communications |  | 
              
                | Brand-Rex | Cables and wires |  | 
              
                | Breeze Tech | Wireless communications |  | 
              
                | Breker Verification Systems | Design and development software |  | 
              
                | Bright Enterprises | Electronics manufacturing materials |  | 
              
                | British Electrostatic Control Association | Exhibitions, courses, conferences, training |  | 
              
                | Broadcom | Communications ICs (wireless) |  | 
              
                | Brooktrout Technology | Networking hardware |  | 
              
                | Bruel and Kjaer | Sensors and data acquisition |  | 
              
                | Brunel University - Engineering and Design | Exhibitions, courses, conferences, training |  | 
              
                | Bryant Broadcast and Data Communications | Cables and wires |  | 
              
                | BSI British Standards | Recruitment, reports, resources |  | 
              
                | BSI Product Services | Compliance engineering |  | 
              
                | BT | Design services |  | 
              
                | BTC Power | DC/DC convertors |  | 
              
                | BTE Audio | Embedded software and operating systems |  | 
              
                | BTG | Optoelectronics |  | 
              
                | BTL Powertech | Power supplies |  | 
              
                | BTU | PCB assembly equipment, tools |  | 
              
                | Buffalo Technology | Wireless communications |  | 
              
                | Bureau Veritas E and E Product Services | Compliance engineering |  | 
              
                | Business Advantage | Industry news |  | 
              
                | Business in China | Exhibitions, courses, conferences, training |  | 
              
                | Buttkereit | Industry news |  | 
              
                | BVM | Embedded computing and control |  | 
              
                | Byte Craft | Design and development software |  | 
              
                | Byte Paradigm | Board-level instruments |  | 
              
                | Bytesnap Design | Design services |  |