Engwer John
Engwirda Siebout
Ennix Incorporated
Enoch Gerrit Derk
Ensley Burt
Enso- Gutzeit Osakeyhtio
Enso-Gutzeit Oy
Ensolve Biosystems, Inc.
Ensslin Walter
Entechs Co.
Entex Technologies Inc.
Envi-Pur, s.r.o. (Ltd.)
Envicon Luft- und Wassertechnik GmbH & Co. KG
Enviro Control Limited
Envirodyne, Inc.
Environmental Business Specialists, LLC
Environmental Energy & Engineering Co.
Environmental Operating Solutions, Inc.
Environmental Research & Technology
Environmental Resources Management, Inc.