3M
ACLARA TECHNOLOGIES LLC
ADVANCED TRENCHLESS INC.
AEGION CORP.
APPLIED FELTS INC.
AQUARIUS SPECTRUM LTD.
ARIES INDUSTRIES INC.
BRAWO SYSTEMS GmbH
CUES Inc.
ECHOLOGICS
HAMMERHEAD TRENCHLESS EQUIPMENT
HERMES TECHNOLOGIE GMBH & CO KG
HydraTech
LLC
Lanzo Companies
LINK-PIPE INC.
NATIONAL LINER LLC
PICOTE OY LTD.
STEVE VICK INTERNATIONAL LTD.