3Com (network adapters)
3D Labs
3M (connectors, wire)
8x8 (formerly IIT)

Aavid Thermal Tech (heatsinks, fans)
Abbott Electronics (power supplies)
Abracon Corp (crystals, SAW)
Acapella
Accuride (slides)
Acopian (power supplies)
Acme Electric (power supplies)
Actel
Adaptec
Adaptive Logic
Advanced Power Solutions (power supplies)
Advanced Power Technology (power MOSFETs, diodes & modules)
Advanced Hardware Architectures
Advanced Interconnect (sockets, conn)
Advanced Logic Research, Inc
Advanced Microdevices AMD
Advanced RISC Machines (ARM)
Advantech (PC & PC/104 bds)
Aerovox (caps, res, filters)
AKM Semiconductor
Allen-Bradley (caps, res, switches)
Alliance Semiconductor
Allied Electronics Distribution
Alpha Metals (soldering chemicals)
Alphatec Group
Alps Electric USA (keyboards, switches)
Altech Corp (terminal blocks, ckt breakers)
Altera
AMCC
AMD
American Power Conversion APC (power supplies)
AMI American Microsystems, Inc
Amidon (ferrites)
Amitron (chip res, thick film)
AMP Inc (connectors)
Amphenol (home)
Amphenol Communications & Network Products
Amphenol Interconnect (connectors)
Amplifonix (RF amps, VCOs, etc)
Anadigics (GaAs ICs)
Analog Devices (PMI)
APEM Components (switches)
APTEK Williams (hybrids)
Arcoelectric Switches
Aries Electronics (sockets)
ARM
Aromat (relays)
Aromat (switches)
Array Microsystems
Arrow-Hart (connectors, enclosures)
Winbond
Astec America (power supplies)
AT&T Micro (now Lucent)
Atmel
Auravision
Avance Logic
AvTech Electrosystems (laser diode, pulsers, amps)
AVX Corp (caps, res, trans supp)
AZ-Com (hot swap adapters)

B&B Electronics (cables, converters)
B+K Precision Instruments
Basler Electric (xfmrs)
Beau Tech (tools)
Beckman Instruments Inc (LCDs, rest. prod)
Belden (wire)
Belfuse (fuses)
Benchmarq
Berg Electronics (connectors)
Betheltronix (BTI)
Bivar (plastics)
Bliley Electric (xtals, osc.)
Bodine Electric (motors)
Borland (compilers)
Bourns Inc (res, caps, poly)
W.H. Brady (labels)
Brooktree
Bud Industries (enclosures)
Bumper Specialties (rubber feet)
Burr-Brown
BusLogic Inc
Bussmann (fuses)
Bussmann Circuits (terminal blocks)

C&K (switches, inductors)
C-Cube Microsystems
C-Mac Quartz Crystals
C-Mac Microcircuits
California Eastern Labs (NEC RF dist)
Calmark (enclosures)
Canon (printers, scanners)
Captive Fasteners (PEMs, captive fasteners)
Cardinal Components (xtals)
Catalyst Semiconductor
Celeritek (RF & uwave semis)
Centralab
Cherry Semiconductor (power ICs)
Chip Express (ASIC designs)
Chips and Technologies
Chromatic Research
Chrontel
Cinch Connectors
Cincinnati Electronics
Circuit Assembly Corp (connectors, sockets)
Circuit Components Inc (Micro-Q caps, cap bars)
Circuit Specialists (local distributor)
Cirrus Logic
Clairex Technologies (opto, photo)
Clarostat (resistive products)
CMP Enclosures
Coil Craft (inductors)
Coiltronics (inductor, xfmrs)
Comair Rotron (fans)
Comlinear (National)
CommQuest
Communication Instruments (relays)
Compensated Devices (diodes)
Component Distributors, Inc (distributor)
Compression Labs
Computer Products Corp (power supplies)
Condor DC Power Supplies
Cooper Tools Co.
Corcom (line filters)
Corning (fiber optics)
CP Clare (switches, relays)
Cree Research
Crydom (solid state relays)
Crystal Semiconductor
CTS Corp (switches, xtals, etc)
CTS Corp (resistor nets)
Cutler-Hammer (switches)
Cutler-Hammer (switches)
Cypress Semiconductor
Cyrix

Daburn Electronic (hw, conn, cable)
Daewoo Electronics (opto)
Daico Industries (RF & uwave control prod)
Dale (connectors, xtals, etc)
Dallas Semiconductor
Damac (enclosures)
Data Delay Devices (delay lines)
Data I-O (device programmers, sw)
Delevan (chokes, coils, xfmrs)
Deutsch (connectors)
Diamond Multimedia (video cards)
Digi-Key (distributor)
Digital Semiconductor
Diodes Inc (diodes)
DSP Development Corp (DSP software)
DSP Group
DuPont Chemicals Corp (eng. polymers)
Duracell / Procell (batteries)

E-Mark (connectors)
E-Switch (switches)
E-T-A (circuit breakers)
EAC Electronics (reed relays)
EAO Switches (switches)
Eastman Kodak (films, chemicals)
Eaton Commercial (switches)
ebm/Papst (fans, blowers)
Eby (terminal blocks, hardware)
Echelon
Ecliptek (xtals, osc, inductors)
EDAC (connectors)
EDI Electronic Designs Inc (RAM, LCDs
EDCO (surge supression)
EECO Switches (switches)
Elantec
Elco (connectors)
Elcon
Electronic Technology (ETC) (mixed signal ICs)
Electronix Express (distributor)
Electro Switch (switches)
Electronic Solutions (enclosures)
ELEKON Industries (optoelectronics & assemblies)
Elgar Corp / Sorenson (power supplies)
Elma Electronics (enclosures, switches)
Emulation Technology Inc (proto adapters)
ERG Endicott Research Group (LCD DC-DC supplies)
Ericsson (resist networks)
Ericsson
Essex Corporation
Essex Group (wire)
Eveready (batteries)
Everett Charles (test fixturing)
EXAR
Exel Microelectronics

Ferronics (ferrite cores)
Filtran (transformers)
FlipChip Technologies (device packaging)
John Fluke (test inst.)
Focus Semiconductor (ASICs, ASSPs)
Fordahl (crystals, osc)
Fox Electronics (crystals, osc)
Fujitsu Microelectronics

Galileo
General Instrument
Genesis Microchip
Gennum Corp (ICs)
Gentron Corp (SCRs, FETs, SSRs, diodes)
GHz Technology (CTC,Acrian)
GI
Gilway Technical Lamp (LEDs)
Gould Shawmut (fuses, holders)
Winbond
Gowanda Corp (inductors)
Graychip
Grayhill (switches, relays)

Hamilton-Hallmark (distributor)
Hammond Mfg (enclosures)
Hantronix (LCD displays)
Harris
Hennessy Products (enclosures)
Hewlett-Packard (components)
Hewlett-Packard (Test and Measurement)
HexaWave (GaAs FETs, MESFETs)
Heyco (molded hardware)
Hitachi
Hitachi cable products
Hittite Microwave Corp (uwave MMICs)
Hollingsworth (sockets, conn)
Honeywell
Hubbell home
Hubbell Wiring Products
Huber+Suhner (RF connectors, components)
Hybricon (enclosures)
HyCal (temp & humidity sensors)
Hyundai Electronics America

I-Cube
IBM Corp.
IBM Microelectronics
ICS
ICT
IDT Integrated Device Technology
IERC (heatsinks)
Illinois Capacitor
IMP
Indek (Elina) (fans)
Insight Electronics (computer dist.)
Intel
Interconnect Devices, Inc (connectors)
Integrated Telecom
International Rectifier
International Semiconductor
Interpoint (power supplies)
Intusoft (analog simulators)
Irvine Sensors
ISD Information Storage Devices
ITT Semiconductor
ITT Cannon
ITW Paktron (film caps)
IXYS

John Fluke (test inst.)
Jameco Electronics (hobby distributor)
Johnson Components (hardware)

Kaynar (hardware, fasteners)
Keithley Instruments
KEMET (capacitors)
Kepco (power supplies)
Kester Solder (solder)
Keystone Electronics (hardware)
Kingbright (LEDs)
KOA-Speer (caps, resistors)
Kycon Cable & Connector (wire, conn)

Lambda Electronics (power supplies & ICs)
Lamb Industries (switches)
Lansdale
Lattice
LCD Inc (LED & LCD modules)
LCR Electronics (EMC solutions)
Lecroy Corp (analyzers)
LEDtronics (LEDs)
Level One Communications
Linear Technology
Link Instruments
Lintel
Littlefuse Elect. Prod (fuses)
Logic Devices
LSI Logic
Lucent Technologies (AT&T Micro)
Lumen Controls (solenoids)
Lumex (LEDs, optoelectr)

M/A-COM (RF transistors)
M-tron Industries (crystals)
M-tron Industries (crystals)
Magnecraft (relays)
Magnetek (power supplies)
Major League Electronics (headers, connectors)
Mallory Capacitors (caps)
Manhattan/CDT (wire, cable)
Marquardt (switches)
Marshall Electronics (distributor)
Marshall Electronics (video cameras)
Maxim
Maxon Precision Motors
MCD Electronics (LEDs)
MEC (switches)
Memtron Technologies (membrane switch)
Mentor Graphics Corp (EDA tools)
Merrimac Industries (uwave devices)
Metalink Transmission Products (datacomm ICs)
Methode (connectors, hardware)
Micrel Semiconductor (analog ICs)
Micro Networks
Microchip Technology
Microchip Technology
Microclock (clock synths)
MicroLinear
MicroLinear
Micron Technology
MicroSim Corp (diodes)
Microsemi Corp (diodes)
MicroSwitch (switches)
MicroUnity
Midcom (telecom transformers)
Midtex
Mill-Max (sockets, connectors)
Mini-Circuits Labs
MIPS Technologies
Mitel
Mitsubishi Semiconductor America
Molex Inc (connectors)
MOSAID
Mosel Vitelic
Motorola Semiconductor
Mouser Electronics (distributor)
MSIS
MTI Milliren Technologies Inc (OCXOs, TCXOs, VCXOs)
Multicore Solder
Murata (misc)
MUSIC Semiconductors

National Instruments (DAQ boards)
National Semiconductor
NEC Components
Needhams's Electronics
Nemco Capacitors (tantalum)
NexGen, Inc
NIC Components (caps, res, ferrites)
Nichicon America (caps)
NKK Corp (semiconductors)
Nonvolatile Electronics
Novacap (caps, cap arrays)
Novalog
NTE Electronics (crossref ICs)
Nu Horizons (distributor)
NVidia

Oak Grisby (switches)
Oak Frequency Controls (xtals, filters,)
Oak Technology (semiconductors)
Ohmite (resist prod, relays)
OK Industries (tools)
Okaya Electronics (noise supression)
Olflex Wire & Cable
OKI
Omnirel (power semis & modules)
Omron (relays)
Omron (relays)
Omron (relays)
Optek (opto, fiber)
OPTi
Opto22 (relays)
Optrex (LEDs)
Orbit Semiconductor
OrCad Corp (EDA tools)
Oryx Power Inc (power supplies)
Oscillatek (crystals)
Otto Engineering (switches)
Oxford Semiconductor (ASICs)

Pace Inc (soldering tools)
Packard-Hughes Interconnect (wire, fiber)
Pads Software
Panamax (power protection)
Panavise (tools)
Panduit (connectors, wire)
Pantronix Corp.
Paradigm Technology
Parallax Inc
PCA Inc (wire-wound magnetics)
PCSI
Pericom Semiconductor
Phihong USA (power supplies)
Philips Semiconductor
Phoenix Contact (connectors)
Phylon
PIC Design (mechanical hardware)
Piconics (inductors, thin&thick film)
Piezo Technology (xtals, osc)
Pioneer Standard-Electronics (distributor)
PLX Technology
PMC-Sierra
PolyStor (batteries, caps)
Potter Production (caps, EMI filt, pwd dist)
Powell Electronics, Inc (distributor)
Power Convertibles
Power Designs, Inc
Power Trends (DC-DC supplies)
Power-One (power supplies)
Power-Sonic (batteries)
PowerTech (silicon power)
Precision Resistive Products
PREM Magnetics, Inc (xfmrs & inductors)
Prestolite Electric (motors, contactors, switches)
Projects Unlimited (piezo, xducer, switch)
Promptus Electronic Hardware / SECS
Pulse Engineering (inductors)

QED, Inc
QLogic
QLogic
Quality Semiconductor
Quality Technologies (optoelectronics)
Quantum Effect Design
QuestLink Technology (IC Index)
QuickLogic

Radisys
RAF Hardware (electronic hardware)
Rambus
Raltron (piezo products)
Ramtron (specialty memory)
Raychem (poly fuses)
Raytheon (misc)
Rendition
Rexam Graphics (conductive polymers)
RF Microdevices
Richco (plastics)
Robinson-Nugent
Rockwell
Roederstein (film caps)
Rohm
Rotron (EG&G, Comair) (fans)

S3 Inc
S-MOS Systems
Samsung
Samsung Discretes (diodes)
Samsung Displays (LCD displays)
Samtec (connectors)
SanDisk
Saronix (crystals)
Sanyo
SB Electronics (foil, film caps)
Schaffner EMC (EMI reduction)
Schroff (enclosures)
Schurter (IEC jacks & switches)
SEEQ Technology
Seiko Epson
Seiko Instruments (LCD displays)
Semicoa (transistors, optos)
Semiconductor Technology, Inc
Sensory Circuits
Sensym (pressure xducers, sensors)
Sentry Mfg. (xtals, osc, filters)
Seton Labels (pre-made & custom labels)
SGS-Thomson (+Inmos)
Shallco (switches, attenuators)
Sharp
Siemens
Signal Processing Technologies
Silicon Engineering
Silicon Micro (EXAR)
Silicon Systems
Simtek
Sipex
Sirius Microsystems
Sloan (indicator lights)
SMC Standard Microsystems
Solico/MEC (switches)
SEI Solid Electric Inc (connectors)
Sony
Sorenson (power supplies)
Sorenson Lighted Controls SOLICO (lights, switches)
Specialty Cable (cables)
Spectel Company
Spectrum Controls (EMI filter conn)
Sprague (capacitors)
Commonwealth Sprague (motor capacitors)
SSAC (SSRs,timers, flashers)
Standard Microsystems SMC
Standard Microtechnologies (FETs, MMICs)
Stanford Telecom
Startech (EXAR)
Statpower Technologies (power conversion)
Sumitomo USA (wire, semiconductors)
SUN Microelectronics
SuperPower (supplies, inverters)
Supertex
Switchcraft (switches, connectors)
Sylvania (lamps & holders)
Symbios Logic (NCR)
Synergy Semiconductor

Tadiran (batteries)
Tandy Corp
TDK (components)
TDK (home page)
Teccor Electronics
TechSpray (chemicals)
Tektronix (test equipment)
Telebyte Technology (data translation)
TelCom Semiconductor
Tellurex Corp (Peltier coolers)
Telogy (instrument supplier)
Teltone (telecom ICs)
Temic (Telefunken, Siliconix and MatraMHS
Temp-Pro Inc(temp sensing)
Teradyne (test systems)
Texas Instruments
Thaler
Thermalloy (heatsinks)
Thomson (slides, bearings)
Tokin Corp (transformers & EMC)
Toko America (inductors, xfmrs)
Toshiba
TransSwitch
TransTherm (thermal cond insul)
Trident Microsystems
Triquint Semiconductor
Trilithic
Tripplite Corp (UPSes, line conditioners)
Tristar
TriTech Microelectronics
Trompeter Electronics (connectors)
TRW Corp
Tseng Labs
Tundra Semiconductor
Tusonix (caps)

UMC United Microelectronics Corp
Unitrode (diodes, power supplies)
US Sensor (thermistors, probes)
USAR Systems
UTMC United Technologies Microelectronics Center

V3 Semiconductor
Valor Electronics (telecom xfmrs)
Valpey-Fisher Corp (crystals)
Vector Electronics (prototyping)
Vectron Labs Inc (crystals, VXCOs)
Vectron Technologies (SAW osc, filters)
Vero Electronics (enclosures)
VIA Technologies
Vicor (power supplies)
Viewlogic Systems (EDA tools)
Viking Electronics
VisionTek
Vitesse Semiconductor (GaAs ICs)
Vitramon (resistors)
Vivid Semiconductor
VLSI Technology
Voltronics Corp (trimmer caps)

W.H. Brady (labels)
SL Waber (power strips, protection)
Waferscale Integration WSI
Wakefield Engineering (heatsinks)
Wavetek (test equipment)
Weitek
Wenzel Associates (crystals)
Westcode Semiconductor
Western Design Center
Western Digital
Western Electronic Components (thermistors)
Westinghouse Electric
White Microelectronics
Wickmann USA (fuses, holders)
Winbond
Winchester Electronics
Wolfson Microelectronics
WSI
W.W. Grainger (motors and tools)

Xantrex (power supplies)
Xecom
Xess
Xicor
Xilinx
Xtalonics Products Inc (microwave ceramics)
XTAL Technologies (xtals, filters)
Xtend Micro Products (batteries, chargers)
Xymox Technologies (custom panels)

Yamaha
Yamaichi Electronics (ZIF sockets)
YCL USA (telecom xfmrs)

Z-Communications
Zahn Electronics (DC-DC conv, servo amps)
Zero Corp (enclosures, cases)
Zetex Semiconductors
Ziatech Corp (embedded ctl bds)
Zilog Inc
Zipper Tubing (zip tube, heatshnk)
ZMD USA (ASICs, memory chips)

Other interesting sites:

Web Search Toolbox

Electrical Engineering on the World Wide Web
ElectroBASE search tool
Electronic Distributors Index
EEM
IC Master
PartNET
Thomas Register
lots more electronic links
even more electronic links
Jaap van Ganswijk's Chip Directory