Expander Energy, Inc.Alberta, Canada
SunCoal Industries GmbHBrandenburg, Germany
Gencor Industries, Inc.Florida, United States
Emerging Fuels Technology, Inc.Oklahoma, United States
Velocys Technologies Ltd.
Quantafuel ASAAkershus, Norway
The Petroleum Oil & Gas Corporation of South Africa (Pty) Ltd.South Africa
CHOREN Industries GmbHTexas, United States
Beijing Qingyanlihua Petroleum Chemistry Co. , Ltd.
Sasol Chemical Industries Ltd.
Xianning Xiangtian Energy Holding Group Co., Ltd.