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 Company

  

          AAI

          Kasper

          Accelerators

          KLA - Tencor

          Accutest

          Kokusai 

          Adar

          Kulicke & Soffa Industries

          Advantest

          Lam Research

          AMD

          LASA Industries

          AMI

          Lasarray

          Anelva

          Leica

          Applied Materials

          Leybold

          APT

          LFE

          Aquest

          Lintott

          ASET

          Macrodata

          ASM Assembly Automation           Microair
          ASM/Lawton           Micronix
          ASM International           MRC
          ASML           MTI
          Asyts           Mühlbauer
          BTU           Nikon
          Cambridge Instruments           Nippon Seiko
          Cameca           Novellus
          Cammax Precima           Optical Associates
          Canon           Pacific Western
          Censor           Perkin-Elmer
          Chuo Riken           RVSI
          Cobilt           Screen
          CONVAC           Sematech
          Dage Precima          Semiconductor Industry Association (SIA)
          DFMSim           Semiconductor Research Corporation
          Drytek           Semiconductor Systems
          DW Industries           Semitool
          Eaton           SET
          Edwards           Setek 
          Electroglas           Shinkawa
          Electromask           Silicon Valley Group
          Electronic Visions           Solitec
          ESEC Group           Sumitomo Heavy Industries
          Fairchild           Takeda Riken
          FSI           Tazmo
          Fusion           Technics
          Gasonics           Tegal
          GCA           TEL
          Genus           Tempress
           GS Blue M Electric           Teradyne
          Hampshire           Thermco
          Headway Research           Toshiba
          High Voltage Engineering           Transistor Automation
          Hitachi           TRE
          Hugle Industries

          Tylan

          IBM

          Ultratech (Formerly Ultratech Stepper)

          IMS           Ultratech Corporation (Predecessor to Ultratech Stepper)
          Integrated Technologies           Varian
          Intel           Veeco
          Irie Seisakusho           Verigy
          JEOL           Verteq
          JSR           Westech
          Karl Suss           X-TEK