2009
Envirogen Technologies, Inc. raised undisclosed on August 15, 2016
Investors: Bahrain Mumtalakat Holding Company ("Mumtalakat")
Envirogen Technologies, Inc. raised undisclosed on October 27, 2015
Investors: Promethean Investments
Envirogen Technologies, Inc. raised undisclosed on October 27, 2011
Investors: Hermes GPE