Affymetrix, Inc. [AFFX]
Analogic Corporation [ALOG]
Applied Energetics, Inc. [AERG]
Arrayit Corporation [ARYC]

Badger Meter, Inc. [BMI]
Bio-Rad Laboratories, Inc. [BIO]
Bruker Corporation [BRKR]

Cepheid [CPHD]
CGGVeritas [CGG]
Cognex Corporation [CGNX]
Coherent, Inc. [COHR]
Cubic Corporation [CUB]
Curtiss-Wright Corporation [CW]
CyberOptics Corporation [CYBE]

Digital Ally, Inc. [DGLY]
Dynasil Corporation of America [DYSL]

Electro-Sensors, Inc. [ELSE]
Elster Group SE
ESCO Technologies Inc. [ESE]

FARO Technologies, Inc. [FARO]
FEI Company [FEIC]
Fluidigm Corporation [FLDM]

Garmin Ltd. [GRMN]
Geospace Technologies Corporation [GEOS]
Giga-tronics Incorporated [GIGA]
GSI Group Inc. [GSIG]

Hurco Companies, Inc. [HURC]

II-VI Incorporated [IIVI]
International Isotopes Inc. [INIS]
ION Geophysical Corporation [IO]
IRIS International, Inc.
Itron, Inc. [ITRI]

Landauer, Inc. [LDR]

Meade Instruments Corp. [MEAD]
Measurement Specialties, Inc. [MEAS]
Mitcham Industries, Inc. [MIND]
MOCON, Inc. [MOCO]
MTS Systems Corporation [MTSC]

ORBIT/FR, Inc. [ORFR]

Perceptron, Inc. [PRCP]

ROFIN-SINAR Technologies Inc. [RSTI]
Rudolph Technologies, Inc. [RTEC]

Schmitt Industries, Inc. [SMIT]
Sensata Technologies Holding N.V. [ST]
Sierra Monitor Corporation [SRMC]
Sono-Tek Corporation [SOTK]
Sutron Corporation [STRNY]
Sypris Solutions, Inc. [SYPR]

Tel-Instrument Electronics Corp. [TIK]
TeleNav, Inc. [TNAV]
Telkonet, Inc. [TKOI]
Transcat, Inc. [TRNS]
Transgenomic, Inc. [TBIO]
Trimble Navigation Limited [TRMB]

Universal Detection Technology [UNDT]

Vishay Precision Group, Inc. [VPG]

Waters Corporation [WAT]

Zygo Corporation [ZIGO]