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/

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/

George Fischer, Inc.
Manual and actuated valves, diaphragm valves, butterfly valves, pressure regulating valves, y-globe valves and y-pattern strainers.
http://www.us.piping.georgefischer.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/

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

Red-White Valves
Balancing Valves, Ball Valves, Butterfly Valves, Regulators and Strainers at Red-White Valve Corp in Lake Forest, California
http://www.redwhitevalveusa.com

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/

Buracco Robinetterie Industrielle
Over a century providing valves manufactured to customers' specifications. Butterfly valves, non-return valves, straight-through valves, actuation.
http://www.buracco.com

Stepp Equipment Company
Stepp Equipment Company provides quality lugger boxes, compactors, roll offs and containers for material handling and recycling in the midwest.
http://www.steppequipment.com

F.A.F. Valves
FAF Vana Sanayi: Küresel Vana, Kelebek Vana, Sürgülü Vana, Glob Vana, Çekvalf, Pirinç, Çelik, Kompansatör
http://www.fafvalve.com/