A. O. Smith Corporation [AOS]
Advanced Battery Technologies, Inc. [ABAT]
Allied Motion Technologies Inc. [AMOT]
Altra Holdings, Inc. [AIMC]
Ameresco, Inc. [AMRC]
American Electric Technologies, Inc. [AETI]
Arotech Corporation [ARTX]
Aura Systems, Inc. [AUSI]

Ballard Power Systems Inc. [BLDP]
Belden Inc. [BDC]
Bonso Electronics International Inc. [BNSO]

Capstone Turbine Corporation [CPST]
China BAK Battery, Inc. [CBAK]
China Ritar Power Corp. [CRTP]
Coleman Cable, Inc. [CCIX]
Cyalume Technologies Holdings, Inc. [CYLU]

Daktronics, Inc. [DAKT]

Electro Scientific Industries, Inc. [ESIO]
EnerSys [ENS]
Exide Technologies [XIDE]

Franklin Electric Co., Inc. [FELE]
Fushi Copperweld, Inc.

General Cable Corporation [BGC]
GrafTech International Ltd. [GTI]

Highpower International, Inc. [HPJ]
HLS Systems International, Ltd. [HOLI]
Hydrogenics Corporation [HYGS]

IntelliCheck Mobilisa, Inc. [IDN]

JinkoSolar Holding Co., Ltd. [JKS]

Lighting Science Group Corporation [LSCG]
Littelfuse, Inc. [LFUS]
LSI Industries Inc. [LYTS]

Magnetek, Inc. [MAG]
Midas Medici Group Holdings, Inc. [MMED]

Nidec Corporation [NJ]

OSI Systems, Inc. [OSIS]

Powell Industries, Inc. [POWL]
Preformed Line Products Company [PLPC]

Regal Beloit Corporation [RBC]
Research Frontiers Incorporated [REFR]

Servotronics, Inc. [SVT]
Skullcandy, Inc. [SKUL]

The LGL Group, Inc. [LGL]

Ultralife Corporation [ULBI]
UQM Technologies, Inc. [UQM]

Woodward, Inc. [WWD]

ZBB Energy Corporation [ZBB]
Zoltek Companies, Inc. [ZOLT]