Organic Mechanic (OM)WilmingtonOnline Store Aiming to Empower People with the Information and Technology to Switch to More Economical and Ecological Energy
Ormat Technologies, Inc.RenoGeothermal and Recovered Energy-Based Power Plants with the Ormat® Energy Converter (OEC) using Organic Rankine Cycle Technology
Oscar Larson & Associates (OLA)RosevilleEnvironmental Planning and Permitting, Energy Management, Risk and Safety Management, Program Management
Osprey BiotechnicsSarasotaMicrobial Products for Wastewater, Soil, and Groundwater Bioaugmentation. Contract Fermentation and Stabilization
Osprey PressBuffalo«Planet Earth Home» by Mel Moench - a Reference Book on Self-Sufficient Home Designs
OutBack Power Technologies, Inc.ArlingtonPower Electronics for Renewable Energy, Back-Up Power and Mobile Applications - True Sine Wave Inverter/Chargers & Controllers
Ovivo (formerly Eimco Water Technologies)West Valley CityDigestion, Aeration, Flotation, Degritting, Clarifiers, Granular Filters, Sludge Dewatering, Thickeners, Screens, MBR Systems
Oxin Engineering & ConstructionAlpharettaEPCM Organization Specializing in Water Purification Technologies, On-Site Sewage Treatment and Green Energy
Pacific Biodiesel, Inc.KahuluiAdvanced Zero-Waste Technology Refines Used Cooking Oil, Virgin Vegetable Oil and Animal Fats into Clean Fuel for Diesel Engines
Pacific Environmental Engineering CorpEl SegundoThermal and Catalytic Oxidizers, Catalyst, Scrubbers, Industrial Filters, General Engineering Contractor
Pacific OzoneBeniciaSupplier of OEM Air-Cooled, Corona Discharge Ozone Generators, Integrated Ozone/Oxygen Systems, Process Control
Paisano Industries LLPAustinAppliances for Processing Waste Container Glass into Materials for Use in Small-Scale Manufacturing Facilities
Paladino & Company, Inc.SeattleWorking with Building Owners to Optimize Business Performance using Sustainability as a Competitive Driver
Palintest, Inc.ErlangerWater Analysis Instruments: Photometers, Lead Test Instruments, Chlorine and Arsenic Test Kits
Pall CorporationPort WashingtonWater Treatment Systems that Remove Bacteria, Protozoan Cysts, Viruses, Iron, Manganese, Arsenic and other Contaminants
Pan America Environmental, Inc.WaucondaOil Water Separators, Dissolved Air Flotation, Slant Plate Clarifiers, Vehicle Wash Treatment, Coag/Flocc, Groundwater
Parkson CorporationFort LauderdaleAeration, Clarification, Filtration, Liquid/Solid Separation, Solids and Sludge Cleaning and Dewatering, Conveying
PCS of MassachusettsWeymouthOne-Stop Resource for Free Computer Recycling, Remarketing and Compliant Recycling of Excess or Obsolete Electronics Equipment
Peer Consultants, PCRockvilleWater, Wastewater and Civil Engineering Services, Hazardous and Toxic Materials Management and Remediation
PennWell Hydro GroupTulsaPublisher of Business-to-Business Magazines and Producer of Conferences & Exhibitions Serving the Hydroelectric Power Industry
Penton Media, Inc.AtlantaWaste Age Magazine and other Publications and Events on Public Infrastructure
Penton Media, Inc.StamfordWasteExpo - North America´s Largest Solid Waste and Recycling Tradeshow Serving both the Private and Public Sectors
Phoenix Industries, LLCLas VegasManufacturers of Waste Tyre Recycling Facilities and Asphalt Rubber Blending Plants
Phoenix Navigation & Guidance Inc. (PNG)MunisingNew Turbine Workshop, DIY Solar Thermal Power, Solar/Biomass Steam/ORC Turbine Generator Plans, Solar Engine, Wind
PlantedRoof.comBeverlyGreen Roof Installation and Consulting Services
Plasti-Fab, Inc.TualatinFiberglass and Composite Manufacturing for Wastewater Flow Control and Mangement
Plews & EdelmannDixonLubriMatic Green - Biobased, Environmentally Friendly Biodegradable Greases, Oils and Spray Lubricants
Plug Power, Inc.LathamManufactures Clean, Reliable On-Site Power Solutions Consisting of PEM Fuel Cells
Polar Ray LLCBoulderOffers Energy Star LED Lighting Products Online for Residential and Commercial Use
Polylok, Inc.WallingfordInternational Supplier of Plastic Injection Molded Products for the Precast Concrete, Drainage and Onsite Wastewater Industries
Polymer Energy, LLCCircle PinesUses Catalytic Pyrolysis to Efficiently Convert Plastics (Primarily Polyolefins) into Crude Oil
Portable Solar Power BizCarmelManufacturer of Solar Power Generator Equipment and Systems, Building Custom Portable Solar Power Systems
Power ShaverOrangevaleCommerical and Residential Electrical Efficiency Systems, Reduce Demand, Consumption, Harmonic Distortion and more
PowerBees, Inc.WaylandOne Stop Provider of Mold Removal, Water Damage Repair, Air Duct Cleaning and Alternative Energy Sources
PPC IndustriesLongviewWet & Dry Electrostatic Precipitators, SCR NOx & CO Catalyst, Dry Injection Acid Gas Control, Biofiltration VOC & Odour Control
Presto EngineeringCincinnatiFull Service Engineering Firm for Renewable Energy Products, Low and Light Wind Speed Generators and Turbines
PrimeLink Solutions, LLCBurlingamePrimeWare Biodegradable Tableware & Food Containers, Made from 100% Sustainable Resources that are both Recyclable & Compostable
PRM Energy Systems, Inc.Hot SpringsSupplier of Biomass Gasification Systems to Fire Boilers, Dryers, Kilns, Furnaces, IC Engine/Generators, Combustion Turbines
Pro-Act BiotechWarrenEnvironmentally Friendly Waste Treatment Systems for the Concentrated Animal Feeding Operation and the Aquaculture Industry
Pro-Equipment, Inc.WaukeshaProduces and Supplies over 45 different Major Products for the Global Water / Wastewater Markets
Process Engineering Associates, LLCOak RidgeProcess Engineering Design Services for all Types of Industrial Processes, ie Waste, Water Treatment, Alternative Fuels, etc
Propulsion Environmental Working Group (PEWG)Tinker Air Force BaseA Government, Industry, Academia Collaboration to Solve Environmental Problems and Insert Advanced MRO Technologies
ProSonix CorporationMilwaukeeSpecializes in Direct Steam Injection Heating Solutions for Water, Slurry and Sludges in Wastewater, Ethanol & Biogas Process
Protean Engineering Corporation (PEC)TorranceDesign and Testing of Emerging Technologies in the Field of Material Science, with a Focus on Fibrous Composites
ProtoFlex CorporationCentennialProvides Deposition Equipment for Thin Film Soalr Cells, QE Measurement tools for Thin Film Solar Cells
Proton OnSiteWallingfordProton Exchange Membrane (PEM) Electrochemical Systems to Make Hydrogen from Water Producing Safe and Reliable Onsite Hydrogen
Publicom, Inc.TucsonWC&P - Water Conditioning and Purification Magazine
Puget Sound Solar LLCSeattleSolar Design, Sales, Installation, Service. Solar Electric Systems and Solar Water Heating Systems
Pumps of Oklahoma Oklahoma CitySolar Powered Water Pumps, Irrigation Equipment, Environmental Remediation Pumps, Aeration Boosters, Controls & Accessories
Pure O Tech, Inc.EscondidoWater Purification Technologies with Integrated Systems in the 5 to 350 Gallons per Minute Range
Pure Sense Filtration, Inc.Eagle GroveFiltration Membrane Cartridges & Systems for Water and Wastewater Treatment, Provider of Design, Build, Own and Operate Services
