ABB 1 AcBel Polytech UK Inc 1 Ackermann 1 ACTERNA 4 Acterna Deutschland 1 ADC 3 ADTRAN 5 ADVA 206 Advanced Micro Devices 3 Advanced Power Electronics Corp 2 AEG 1 AEG AG 2 Agere Systems 4 Agilent Technologies 1 Albis elcon 10 Alcatel 9 Alcatel Italia S p a 2 Alcatel Lucent 4570 Alcatel Lucent Deutschland AG 2 Alcatel SEL AG 2 Allegro Microsystems Inc 2 ALLGON 2 Allied Telesyn 1 Altera Corporation 9 AMCC 2 AMD ADVANCED MICRO DEVICES 1 Analog Devices 6 Anaren Microwave Inc 3 ANDREW 32 ANDREW COMMSCOPE 1 Anritsu GmbH 2 ANT 60 APC 4 APEM Bauelemente GmbH 1 APPLE 10 APS 14 Artesyn 1 Ascomchland 2 ASPIRO 1 Astec 1 Atmel 2 ATTO 3 AVAGO 10 AVAYA 7 AVENTAIL 2 AVM 2 AVOCENT 3 AVX Germany GmbH 6 AZURA 8

BC Components 1 Belfuse 2 BENNING 19 BI TECHNOLOGIES Germany 1 BLACKBOX 1 Bosch 4 BOSCH MARCONI 46 BOSCH TELECOM 22 Bourns 1 Brady Corporation 1 BROCADE 3 Bürklin OHG 2

C MAC Micro Technology 1 Carling Technologies GmbH 1 CBI 2 CD BEHA 1 CEL FI 3 CERAGON 8 CHEROKEE 1 CIENA 1 CISCO 795 CITRIX 3 Commscope 132 COMPAQ 2 ComTel 6 Cooper Bussmann UK Ltd 1 COPPER MOUNTAIN 1 CORTINA SYSTEMS INC 1 Cosel Europe GmbH 1 CP Kontakt AB 2 Crestron 1 CTS Corp 2 Cypress Semiconductor Corp 8

Dallas Semiconductor Corp 1 DATUM 4 DEHN + SÖHNE GmbH & Co KG 2 DELL 1 DELTA 20 Diamond 1 DIGI 3 DIGITAL POWER 1 Diotec 1 DT TS 1 Dummy 22

EATON 3 ECI 36 ECI Telecom 70 ELCON 1 Elcon electronic gmbh 1 ELCON Systemtechnik 2 ELCON Systemtechnik GmbH 4 ELTEK 60 EMC 1 ENERSYS 1 Epcos Deutschland AG 1 Epson Europe Electronics GmbH 1 Ericsson 10360 ERNI Elektroapparate GmbH 3 ERSA Löttechnik GmbH 2 ETA Elektr Apparate GmbH 1 Eudyna Devices Europe Ltd 1 EVOX RIFA 1 EXTREME NETWORKS 1

F5 2 Fairchild Semiconductor 6 FCI 1 FCI Deutschland 7 FCT electronic 1 FINISAR 11 Flextronics Suzhou Tech Co Ltd 1 FM 2 Fordahl 2 Freescale Semiconductor Inc 9 Fuba Hans Kolbe & Co 4 FUJITSU 21 Fujitsu Ltd 1

General Datacomm Ind 2 Generic 4 GN Nettest GmbH 2 Gould Nicolet Meßtechnik GmbH 2

H&S 6 HALO ELECTRONICS 1 Harmonic 11 Harting Deutschland GmbH&Co KG 1 HAUWEI 13 Headoffice TDK Electronics 2 HFC 28 Hitachi 1 Hokuriku 1 HP 109 Huawei 2010 Huber + Suhner 8 Hynix Semicon Deutschjland 1

IBM 45 IDT 1 Infineon 7 INFINERA 1 Integrated Device Technology 2 INTEL 5 Intel Corp 1 Intercom 1 International Rectifier 3 Isabellenhütte Heusler GmbH 2 ITT Industries Ltd 2

JDSU 2 Juniper 315

Kapsch AG 1 Kathrein 275 Kathrein Werke AG 1 KE Kommunikation 67 Kemet 9 KENTROX 1 Keymile 39 Kingston Technology Co 1 Knürr AG 1 KOA SPEER ELECTRONICS INC USA 19 Krone 7 Küblbeck GmbH & Co 1

Lattice Semiconductor Corp 2 LEMO Elektronik GmbH 1 LINEAGE POWER 5 Linear Technology 7 Littelfuse 1 LSI Logic 5 Lucent 1 LUCENT TECHNOLOGIES 9

Macom 1 MAGNETEK S p A Uncommon Power 2 Marconi 818 MARCONI BOSCH 76 Marconi Communications GmbH 1 MARCONI ERICSSON 43 Marvell Semiconductor Inc 2 Maxim 11 MELCHER 1 Meritec 2 Microchip Technology 1 Micron Semiconductor Ltd 2 Micron Technology Inc 1 MIKOM 1 MITRA 4 Mitra Energy 6 Mitsubishi 4 Molex 1 Motorola 66 Motorola GmbH 13 MTM Power 1 Multicomp 1 Murata 2

National Semiconductor 9 NEC 62 NEC Computers Deutschland GmbH 2 NEC Corporation 1 NET 18 NETAPP 7 NETGEAR 2 NetTest North America Inc 1 Neutrik 1 Newbridge 205 Nichicon 1 NKT Elektronik A S 4 NOKIA 1393 Nokia Siemens 3428 Nortel 1482 Northern Telecom 24 NXP Semiconductors 9

OCP 1 ON Semiconductor 12 ONE ACCESS 1 OPNEXT 2 Opternus GmbH 1 Orckit Communication 7 Osram GmbH 2

P COM 7 Panasonic 5 PATTON 1 Pentair 2 Peregrine Semiconductor Corporation 1 Philips 234 PHILIPS SEMICONDUCTORS 1 Phoenix Contact GmbH & Co KG 1 Phycomp Central 1 POLYCOM 10 Power Innovation 2 Power Integrations Inc 1 Power One 18 POWERWAVE 1 POWNIX 2 Pulse 4 PULSE SECURE 1

QFM 94 Quante 1 Quante AG 1

RAD 5 Radiall GmbH 1 RADWIN 2 RAIDON 1 RAYCAP 11 REDBACK 1 REDBACK ERI 9 REDBACK ERICSSON 5 Renesas Technology 1 RF Micro Devices 2 RFMD 1 Roederstein 2

Saft Batterien GmbH 1 SAGEM 2 SAMSUNG 4 Samsung Electronics 5 Samtec 1 SCALTEL 2 Schaffner Holding AG 1 Scientific Atlanta 2 SEABRIDGE 2 SECUNET 1 Senn 1 SERVO 1 SGS Thomson 1 Shindengen 2 SIAE 525 SIEMENS 759 Siemens AG 11 SMART 1 Source Electronics Corp 5 Sphairon 8 Sphairon Access Systems GmbH 2 SPINNER 5 Spinner GmbH 1 SPIRENT 1 ST Microelectronics 9 SUMITOMO 6 Sumitomo Electric Europe LTD 2 SUN 4 Sun Microsystems Inc 1 SUNON 907 Sunonwealth 1 SynQor 2

Taitien Electronics Co Ltd 2 TBD 411 TDC 25 TE 3 TE Connectivity Germany GmbH 2 TEBECHOP 15 TECHNICOLOR 1 Tektronix Texas LLC 1 Telco 1 Tele Quarz 2 Telegärtner 1 TELEKOM 2 TELKOOR 1 Tellabs 9 TelLINK 5 Telspec 6 Texas Instruments 24 Thin Film Technology Corp 1 TKV 5 Toshiba 4 TP LINK 1 Transmode 27 TXC Corporation 1 TYCO 8

UNKNOWN 37

Vector 1 Vectron International 2 Vishay 33 Vitesse Semiconductor Corporation 1 Vitrohm 2 VULCANBAY 1

Welwyn Components Ltd 2 WTD 5

Xicor Inc 1 Xilinx Inc 8

Yageo 6 YOUNCTA 35

Zarlink Semiconductor Ltd 1 ZELLER 6 ZTE 50