State/Local Air Pollution Control Agencies
The State and Territorial Air Pollution Program Administrators (STAPPA) and the Association of Local Air Pollution Control Officials (ALAPCO) are national associations representing air pollution control agencies in the 54 U.S. states/territories and over 150 major metropolitan areas. Site has information and links.
http://www.4cleanair.org/

Anguil Environmental Systems
Anguil provides air pollution control solutions for volatile organic compounds and hazardous air pollutants. Anguil Environmental system's oxidzers guarantee compliance with Environmental Protection Agency regulations.
http://www.anguil.com

Ducon Air Pollution Control Systems
leaders in supplying Air Pollution Control systems including the most technologically adavnced scrubbers, baghouses, precipitators, incinerators, FGD systems & material handling systems for utilities and industries. Over 30,000 installations worldwide.
http://www.ducon.com

Wheelabrator Air Pollution Control Inc.
Design and supply of air pollution control equipment, systems and services for industrial and power generating facilities.
http://www.wapc.com/

CTP Air Pollution Control
Our Air Pollution Control technology produces highly efficient turn-key systems for the destruction of VOCs, HAP, CO2, NOx, and organic particulate matters from industrial sources
http://www.ctp.at

Pollution Control Consultancy and Design (PCCD)
A Sydney based, professional, independent, accredited acoustical and environmental engineering consulting firm established in Sydney, Australia, in January 1995.
http://www.pccd.com.au/noisepol.htm

Tri-Mer Corporation Air Pollution Control Systems
Tri-mer - leading manufacturer of scrubber equipment for air pollution control: Cloud Chamber scrubber; stationary diesel emissions; Whirl / Wet dust collection; cyclones; NOx - SO2 - gas - acid - fume scrubbers; chrome eliminator.
http://www.tri-mer.com

Pollution Control Consultancy and Design
A Sydney-based, independent, accredited acoustical and environmental engineering consulting firm established in Sydney, Australia, in January 1995.
http://www.pccd.com.au/

Iowa Water Pollution Control Association
Design, construction, operation, and management of water pollution control works and exchange of information.
http://www.iawpca.org/

Ceilcote Air Pollution Control
Specialists in engineering, design and supply of air pollution control equipment and systems. Products include: Packed Scrubbers, Ionizing Wet Scrubbers, Venturis, Turboscrubbers, FRP Fans, Tellerette Tower Packing, Mist Eliminators and more.
http://www.ceilcoteapc.com/