Huber Technology
Homepage: Huber Technology UK - Rotamat Ltd.
http://www.huber.co.uk/

Activated Sludge Microorganisms
Discusses and illustrates the organisms in sludge, and what can be learned by microscopic analysis of biological treatment systems for wastewater.
http://www.engitech.com/asm.htm

ABJ Process Division
Manufacturer of Sanitaire and ABJ wastewater treatment systems, sequential batch reactor, sludge basins, decanters, waste sludge removal and aeration products
http://www.sanitaire.com/

Marshall Environmental Training and Consulting Group
Conducts training workshops for activated sludge, wastewater, bulking, filaments, aerated stabilization basins, lagoons and related topics. Also provides services in activated sludge troubleshooting, activated sludge bulking control, as well as treatment plant audits.
http://metcgroup.com/

Willacy Group
Total sludge management equipment and services, including sludge quantification. Providing a range of manned or robotic sludge removal systems and a phase separation equipment splitting sludge into oil, water and dry sediment.
http://www.willacyoil.com/

CHI SHUN Machinery Plant Co. Ltd
Quality endorsed to ISO 9001. A professional manufacturer of belt press, filter press, sludge dryer,DAF system, sludge scraper, bar screen, chemical preparation system, and wastewater treatment.
http://www.chishun.com.tw/

Dewatering Enterprise Co., Ltd.
Research, design and manufacturing of equipment for water, wastewater, and sludge treatment problems facing industrial plants and municipal treatment facilities.
http://www.hidewater.com

EnviroSim Associates Ltd.
EnviroSim Associates Ltd. developers of BioWin dynamic wastewater treatment process modeling simulation and optimization software. Key process models include biological nutrient removal, oxygen transfer modeling, secondary settling, and anaerobic digestion.
http://www.envirosim.com/

IDI Infilco Degremont, Inc. (frames)
Degremont Technologies is a worldwide network of water treatment equipment providers and manufacturers, combining the forces of expert companies for municipal, industrial and leisure markets.
http://www.infilcodegremont.com/

Markland Specialty Engineering Ltd
Animated website shows how to measure and control sludge blanket level and suspended solids. FREE technical bulletins are offered.
http://www.sludgecontrols.com/