Rubicon Technology, Inc.
Advanced Energy Industries, Inc.
Generac Holdings, Inc.
EnerSys
SigmaTron International, Inc.
Hamilton Beach Brands Holding Co.
SeaChange International, Inc.
CBAK Energy Technology, Inc.
Ocean Power Technologies, Inc.
ABB Ltd.
Aehr Test Systems
Orion Energy Systems, Inc.
PDF Solutions, Inc.
Avnet, Inc.
Cemtrex, Inc.
Control4 Corp.
USA Technologies, Inc.
Niagara Mohawk Power Corp.
Park Electrochemical Corp.
LGL Group, Inc.
ScanSource, Inc.
Canadian Solar, Inc.
HP, Inc.
MicroVision, Inc.
Hurco Cos., Inc.
Frequency Electronics, Inc.
Superconductor Technologies, Inc.
3D Systems Corp.
Acuity Brands, Inc.
Itron, Inc.
Littelfuse, Inc.
Bel Fuse, Inc.
Stratasys Ltd.
Magal Security Systems Ltd.
Benchmark Electronics, Inc.
Belden, Inc.
Teradyne, Inc.
MKS Instruments, Inc.
Koss Corp.
Integer Holdings Corp.
