• Advanced Drainage Systems at WaterOnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including polyethylene pipes for drainage and surface water control.
  • Aero-Mod Inc. at WaterOnLine - Leading manufacturer of watertight manhole products for the water and wastewater municipal and industrial markets including A-LOK and Z-LOK pipe to manhole connectors,
  • Allmax Professional Solutions at WaterOnLine - Leading manufacturer of Operation Maintenance, and Training Software for Municipal and Industrial Wastewater and Water treatment facilities.
  • A-Lok Products, Inc. - Leading manufacturer of watertight manhole products for the water and wastewater municipal and industrial markets including A-LOK and Z-LOK pipe to manhole connectors, etc.
  • Associates International - Deals with environmental problems such as water and wastewater treatment, spill cleanup, etc
  • Bartley, Wm C. & Associates, International Consultants - Our international consulting firm has particular expertise in privatization of large (300-800 thousand population) municipal utility district systems for water and secondary treatment.
  • Caribtec Laboratories, Inc. - Environmental Laboratory serving Puerto Rico, the Virgin Islands and the Caribbean Area.
  • Centrifuges Pieralisi - Centrifuges for dewatering of industrial and municipal sludge
  • CH2M HILL Home Page - A global consulting engineering firm specializing in water and wastewater treatment, environmental remediation, and other essential infrastructure work.
  • Chemetrics, Inc. at WaterOnLine - Provides faster, easier, and more efficient methods for colorimetric and photometric determinations of more than 40 analyics.
  • Choctaw, Inc. at WaterOnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including reinforced concrete pipe, precast box culverts, manholes, and bridges .
  • Cla-Val Company at WaterOnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including automatic control valves, pump control, electronic valve controllers, and many other products.
  • Delta Environmental Products - FEI provides an environmentally sound, low-cost alternative to wastewater treatment for builders, RE developers, engineers, etc.
  • Ductile Iron Pipe Research Association at WaterOnLine - Leading manufacturer of water and wastewater treatment for the municipal and industrial markets including the design or application of ductile iron pipe.
  • EEC - Total Solution Waste Water Solutions - We manufacture the following skid mounted systems. Any combination to solve your problem.
  • El Rayes Environmental Corporation - An environmental consulting firm provides wastewater treatment, odor control, hazardous and municipal waste management and R&D. Env.Mgrs and Consultants must visit.
  • EMA Services at Pollution OnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including instrumentation, management, consultants, and utilities.
  • Environmental Dynamics Inc. - We are a manufacture of advanced technology products for biological wastewater treatment.
  • Environmental Express Limited at WaterOnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including filters, mixers, oils, and grease.
  • Environmental Management Corp. - Contract Operations for Water and Wastewater
  • Facilities Services Associates, Inc. - International provider of wastewater treatment equipment and technology.
  • Fluid Systems - Consulting and design of waste water reclamation systems (gr*ywater and aerobic) for landscape use, and lowtech hydroponic gardens.
  • FMC Corporation at WaterOnLine - Complete water and wastewater equipment lines in the industry and is deeply committed to the national and worldwide effort to purify water.
  • FOX Engineering Associates - specialized engineering services in water, wastewater, and solid waste for industies
  • General Engineering at WaterOnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including cleanout, couplings, risers, saddles, and tools.
  • Gifford-Hill-American,Inc. at WaterOnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including pipes, tapping, welding, installation, tanks, concrete and steel pipes, and clamps.
  • H2O2.com - Hydrogen Peroxide Online - The definitive resource on Hydrogen Peroxide and related peroxygen chemicals for treatment of water, wastewater, and hazardous wastes.
  • HydroCal Home Page - Advanced Wastewater Treatment for Industry and Municipality. Aeration, Flotation, Dewatering and complete Turn-Key systems from 1 GPM on up.
  • Hydromantis, Inc. - Environmental engineering firm specializing in wastewater process audits, optimization, and control using state-of-the-art computer-based technologies. Developers of GPS-X - the most powerful wastewater treatment plant simulator.
  • I Kruger Inc. at WaterOnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including filters, mixers, oils, and grease.
  • ILC Dover, Inc. at WaterOnLine - Design, manufacture and install Vapor Guard structural-fabric covers for circular and rectangular wastewater treatment tanks to contain odor and VOC emissions.
  • JWC Environmental - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including muffin monsters, and solids reduction equipment, and separators.
  • Komline-Sanderson Engineers Corporation at Pollution OnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including pumps, dryers, clarifiers, separators, and meters.
  • Lemna USA Inc. at WaterOnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including modular covers, installation, gas collection, treatment processers, and wastewater treatment.
  • Mass Transfer Systems Inc. - Jet aeration and jet mixing systems, environmental, civil and mechanical disciplines and perform applications, engineering and detail design of all systems.
  • McCrometer at WaterOnLine - Manufacturer of flowmetersfor both liquid and gas measurement providing measurement solutions to global markets including water, wastewater, irrigation, and a broad range of industrial applications.
  • Milton Roy at WaterOnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including leak detectors and gear, metering, plunger, and rotary pumps.
  • Modular Environmental Technologies, Inc. - Providing industrial and municipal markets with proven,cost effective, state-of-the-art, wastewater, byproductrecovery and biological treatment technologies.
  • Noggerath GmbH & Co. - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including leak detectors and gear, metering, plunger, and rotary pumps.
  • Non-Destructive Piping Inspection Services - High Quality Color Pipe Inspection Services for Local, State & Federal Governments & Industry. Serving Various States in the U.S.
  • Omega Engineering Inc. at WaterOnLine - Temperature, pressure, strain and force, flow and level, pH and conductivity/environmental, data acquisition and recording, and electric heaters.
  • OR-TEC, Inc. at WaterOnLine - Leading manufacturer of high quality water and wastewater treatment equipment for the municipal and industrial markets belt presses, thickeners, C.A.F. Flotation Systems, and Emulsion Polymer Dosing Systems.
  • Pan America Environmental - Manufacturer of wastewater treatment systems, oil-water separators and more.
  • Phipps & Bird Inc. - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including Jartesters, belt press, filtration, simulation, dewatering, lab equipment,stirrirs, and bench scale testing.
  • Pollard Company, Inc. at WaterOnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including utility products, hand tools, leak detection, flow guages, sensors, and recorders.
  • Pori International - PORI is an environmental consulting, process engineering, operating services company specializing in industrial water and wastewater treatment, recycling, or reuse, providing design, turnkey, operation, financial and outsourcing services.
  • Press-Seal Gasket Corp. - Manufacturer of water and wastewater treatment products for the municipal and industrial markets including pipes, pipe joint restraints, pipe joints, sealants and manhole products.
  • Radcom Technologies, Inc. - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including data loggers, instrumentation and monitoring products, meters, recorders, and sensors.
  • RGF Environmental Group - Manufacturer of advanced wash water recycling and sewer discharge units. Over fifty different environmental products for many different applications.
  • Rosemount Analytical Inc. - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including reverse osmosis, instrumentation, humidity control, turbidity meters, probes, and transducers.
  • Royce Instrument Corporation at WaterOnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including turbidity meters, probes, controllers, transducers, sensors, and detectors.
  • Schlumberger Industries at Water OnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets including strainers, meter reading systems, meters and backflow preventers.
  • Sheaffer & Roland, Inc. - An international consulting firm specializing in innovative, cost effective, wastewater treatment.
  • Southern Environmental - Wastewater remediation, consulting, solvent free industrial water cleaning equiptment.
  • Spectronic Instruments at Water OnLine - Leading manufacturer of UV/Vis SPECTRONIC spectrophotometers and accessories, fluorescence instruments, cell disruption apparatus, etc.
  • Stevens Water Monitoring Systems at Water OnLine - Stevens Water Monitoring Systems provides water monitoring for the water and waste water industry.
  • Summit Research Home Page - Suppliers of supercritical water oxidation (SCWO) equipment for waste treatment and energy production
  • Superior Tank Company at Water OnLine - Leading manufacturer of water and wastewater treatment instrumentation for water measurement applications for the municipal and industrial markets including storm water monitoring.
  • TRI-S Environmental - Cleanup level determination, remediation design, site closure, environmental engineering, and water resources.
  • Utility Plant's Directory - Consulting service for the wastewater industry - provides O&M's, SOP's, OSHA documents
  • Vaughan Company at Water OnLine - Leading manufacturer of water and wastewater treatment products for the municipal and industrial markets with a major concentration in various pumps.
  • Virginia - Division of Onsite Sewage and Water - The Division regulates onsite wastewater treatment and disposal in Virginia.
  • Water and Wastewater Information - Water and wastewater contract operations and privatization.
  • Water Online - Online database for water/wastewater professional including supplier directory, industry news and feature articles.
  • Westfalia Separator, Inc. - Westfalia Separator US, an extention of worldwide GEA Westfalia Separator, is one of the market leaders in centrifugal separating technology.
  • Woodcock & Associates, Inc. Rate Consulting - Consulting services in water and wastewater rates, cost of service, finance
  • WWEMA at Water OnLine - WWEMA members supply the most sophisticated leading products and technology, offering solutions to every water-related environmental problem and need facing today's society.