Company

          AAI

          Accelerators

          Accutest

          Adar

          Advantest

          AMD

          AMI

          Anelva

          Applied Materials

          APT

          Aquest

          ASET

          ASM Assembly Automation

          ASM/Lawton

          ASM International

          ASML

          Asyst

          BTU

          Cambridge Instruments

          Cameca

          Cammax Precima

          Canon

          Censor

          Chuo Riken

          Cobilt

          CONVAC

          Dage Precima

          DFMSim

          Drytek

          DW Industries

          Eaton

          Edwards

          Electroglas

          Electromask

          Electronic Visions

          ESEC Group

          Fairchild

          FSI

          Fusion

          Gasonics

          GCA

          Genus

          GS Blue M Electric

          Hampshire

          Headway Research

          High Voltage Engineering

          Hitachi

          Hugle Industries

          IBM

          IMS

          Integrated Technologies

          Intel

          Irie Seisakusho

          JEOL

          JSR

          Karl Suss

          Kasper

          KLA-Tencor

          Kokusai

          Kulicke & Soffa

          Lam Research

          LASA Industries

          Lasarray

          Leica

          Leybold

          LFE

          Lintott

          Macrodata

          Microair

          Micronix

          MRC

          MTI

          Mühlbauer

          Nikon

          Nippon Seiko

          Novellus

          Optical Associates

          Pacific Western

          Perkin-Elmer (Acquired by Silicon Valley Group)

          RVSI

          Screen

          Sematech

          Semiconductor Industry Association (SIA)

          Semiconductor Research Corporation

          Semiconductor Systems

          Semitool

          SET

          Setek

          Shinkawa

          Silicon Valley Group (Acquired by ASML)

          Solitec

          Sumitomo Heavy Industries

          Takeda Riken (Renamed to Advantest)

          Technics

          Tazmo

          Tegal

          TEL

          Tempress

          Teradyne

          Thermco

          Toshiba

          Transistor Automation

          TRE

          Tylan

          Ultratech (Formerly Ultratech Stepper)

          Ultratech Corporation (Predecessor to Ultratech Stepper)

          Varian

          Veeco

          Verigy

          Verteq

          Westech

          X-TEK