Energy and Environmental Research Corporation
Energy Materials Corporation
Enevoldsen Søren Selde
ENEX, Co., Ltd.
Engel Philippe
Engeler Christian
Engelhard Salem
Engineering Advancement Association of Japan Mitsubishi Denki Ka
ENI S.p.A. division de AGIP
Enklaven AB
Environics Inc.
Environmental Electronics Corporation
Environmental Elements Corp.
Environmental Plasma Arc Technology, Inc.
Environmental Technologies Capital Partners LLC
Environmentalcare Ltd.
EnviroScrub Technologies Corporation
Envirosonics, Inc.
EnviroSurgical, Inc.
Envirotech