Air Clear LLC.
Alliance Corporation
Anguil Environmental Systems Inc.
BD Group Industries
LLC
Biothermica Technologies Inc.
Catalytic Products International Inc.
CTP Air Pollution Control
Condorchem Envitech
Eisenmann SE
Filtracni Technika
Formia Emissions Control Oy
Gulf Coast Environmental Systems
Nacah Tech
LLC
SGX Sensortech
Ship and Shore Environmental Inc.
Taiki-Sha Ltd.
The CMM Group
Thermische Prozesstechnik GmbH
TKS Industrial Company