Contacts in the United States
- Nikro Industries, Inc.Villa ParkManufacturer of HEPA Filtered Vacuum Systems, Portable Air Purification Equipment, and Air Duct Cleaning Equipment and Supplies
- Nitrate Elimination Company, Inc. (NECi)Lake LindenGreen Analytical Chemistry for Lab, Home, and Farm, Handheld Photometer Kits for Water Testing
- Noise Control Engineering, LLC (NCE)BillericaNoise and Vibration Reduction Consulting Services for Industrial and Marine Fields
- Nordson Sonoscan, Inc.NorthbrookNon-Destructive Internal Inspection and Analysis using Acoustic Microscopy for Applications in Solar Cell Testing
- North 39 EnergyEdwardsEnergy Auditing & Consulting incl. LEED Rating Systems, Insulation Techniques, Performance Testing, Water Usage, Waste
- North American Society for Trenchless Technology (NASTT)ClevelandNot-for-Profit Engineering Society Providing Education in Trenchless Technology
- North American Water Office (NAWO)Lake ElmoActivities Regarding Environmental Impacts of Electric Utility Wastes, Promoting Renewable Energy Resources
- Northeast Energy Efficiency Partnerships (NEEP)LexingtonAccelerating Energy Efficiency to Assist the Northeast & Mid-Atlantic Region in Reducing Total Carbon Emissions 80% by 2050
- Northeast Organic Farming Association (NOFA)TitusvilleWorking to Promote Healthy Food, Sustainable Organic Farming Practices and a Cleaner Environment
- Northern Geo, LLCAppletonProvide a Variety of Geothermal Heating-Cooling Products, incl. Water-to-Air, Water-to-Water & Water-to-Air Split Heat Pumps
- Northern Technologies International Corporation (NTIC)Circle PinesEngineers and Manufactures Biobased and Compostable Plastics Intended to Replace Conventional, Petroleum-Based Plastics
- Northwest Energy Innovations, LLC (NWEI)PortlandDevelops the Azura Wave Power Device that Extracts Energy from Both the Heave (Vertical) & Surge (Horizontal) Motion of the Wave
- Nourish the Planet (NTP)BerthoudPioneering Low-Tech, Replicable, Sustainable Methods for All Types of Food Production - Aquaponics, Aquaculture
- NovaLynx CorporationGrass ValleyManufacturer of Meteorological Instruments, Rain Gauges, Anemometers, Evaporation Pans, and Modular Weather Stations
- Novi Energy LLCNoviEco-Friendly, Carbon Neutral Renewable and Alternative Energy Technologies, Agricultural Waste-to-Energy Anaerobic Digestion
- Novozymes Biologicals, Inc.SalemMicrobial Products for Wastewater Treatment, Sludge Reduction, Odor Control, Agriculture, Waste Degradation, Biofuel Production
- NSF InternationalAnn ArborProduct Testing and Certification Services, WHO Designated Collaborating Centre for Drinking Water Safety and Treatment
- Nuvera Fuel Cells, LLCBillericaDevelopment of PEM Fuel Cell Systems and Hydrogen Generation and Dispensing Products for both End Users and OEMs
- NuVision Window FilmsGlendaleSupplies and Installs Solar and UV Control Window Films, Providing Energy Savings, Enhanced Comfort and Protection
- NW Wind & SolarSeattleFull Service Renewable Energy Systems Design-Build Company, Developing Customized Wind and Solar for Homes and Businesses
- Ocean ConservancyWashingtonInformed by Science, our Work Guides Policy and Engages People in Protecting the Ocean and its Wildlife for Future Generations
- Ocean Power Technologies, Inc. (OPT)MonroePowerBuoy® Offshore Electric Power & Real-Time Data for Oil & Gas, Defense, Security, Research & Communications Applications
- Ocean Renewable Power Company, Inc. (ORPC)PortlandTidGen® Power System for Shallow Tidal and Deep River Sites, RivGen® Power System Designed for Small and Remote River Sites
- OceanaWashingtonCampaigns to Protect and Restore the WorldŽs Oceans through Scientific, Legal, Policy and Advocacy Approaches
- Ohio Lumex Co., Inc.SolonManufacturer of Gas Analzyers, CEMs and Process Analyzers, In-House Lab Analysis of Sorbent Traps
- Oil Water Separator Technologies, LLC (OWS Tech)West Palm BeachManufactures Oil Water Separators, Oil Stop Valves, Oil Containment Sumps, Oil Skimmers, Coalescing Media & related Accessories
- OilTrap Environmental ProductsTumwaterGreen Electro-Coagulation Technology that Reclaims & Recycles Industrial Wash & Wastewater without Harsh Chemicals or Filtration
- Olympus Technologies, Inc. (OTI)EugeneAnaerobic Digestion Process Equipment - Digester Covers, Digester Mixers, Counter-Flow Concentric Tube Heat Exchangers
- Omni Environmental Group, LLCHarvardSpecializes in Environmental Consulting and Engineering, Evaluates and Cleans Up Contaminated Properties
- OmniLytics, Inc.SandyDeveloping Safe and Natural Bacteriophage Technology for Pathogen Control in Agriculture, Food, Water & Industrial Applications
- Omnitec Design, Inc.MukilteoPortable Air Purification Equipment, Negative Air Machines, PCO Generators, Lab Air Purification Equipment
- Open MotorsPalo AltoOpen Framework with «EDIT» Modular EV for MaaS & Multiple AI Solutions plus «SBES» Affordable Battery Swap Technology
- optek-Danulat, Inc.GermantownManufacture Inline Turbidity Meters, Colorimeters and pH and Conductivity Sensors for Process Control & Automation
- Orenco Systems, Inc.SutherlinDecentralized Effluent Collection & Energy-Efficient Wastewater Treatment Technologies for Residential & Commercial Applications
- Organic Trade Association (OTA)WashingtonTo Promote and Protect Organic with a Unifying Voice that Serves and Engages its Diverse Members from Farm to Marketplace
- 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)EurekaCivil Engineering, Site Development, Water, Wastewater and Storm Drainage, Program Management
- Osprey BiotechnicsSarasotaMicrobial Products for Wastewater, Soil, and Groundwater Bioaugmentation. Contract Fermentation and Stabilization
- OTT HydrometLovelandMultiparameter Water Quality Monitoring Equipment and Advanced Analytical Systems for Water Quality Testing
- Otto H. Rosentreter Company (OHR Energy)Santa Fe SpringsFuel Cells, Hydrogen, Cogeneration, Storage, Biogas, Engineering, Construction, Installation, Operation, Maintenance and Finance
- OutBack Power Technologies, Inc.ArlingtonPower Electronics for Renewable Energy, Back-Up Power and Mobile Applications - True Sine Wave Inverter/Chargers & Controllers
- Outback WaterEugeneFull Line of Products to Convert Microbiologically 'Risky' or Contaminated Water into Safe Drinking Water - Chemical Free
- Outotec (USA), Inc.Coeur dŽAleneSupplier of Environmentally Friendly Waste Fired Fluidized Bed Combustion/Boiler Systems, Gasification of Biomass
- Ovivo USA, LLCSalt Lake CityDigestion, Aeration, Flotation, Degritting, Clarifiers, Granular Filters, Sludge Dewatering, Thickeners, Screens, MBR Systems
- PaceControls LLCPhiladelphiaDevelop, deploy IOT-SaaS Energy Efficiency & ADR Controls to Retrofit HVAC & Refrigeration, Boilers. Paybacks: 4 to 36 months
- Pachamama AllianceSan FranciscoEmpowering Indigenous People of the Amazon Rainforest to Preserve their Lands and Culture
- Pacific Biodiesel Technologies, LLCKahuluiAdvanced Zero-Waste Technology, Refines Waste and Virgin Veg. Oils and Animal Fats into Clean, Renewable Fuel for Diesel Engines
- Pacific OzoneBeniciaOzone Technology for Disinfection, Oxidation and Purification, Complete Integrated Ozone Systems, Technical Services & Training
- PactWashingtonInternational Development Nonprofit that Works on the Ground in Nearly 40 Countries to End Poverty and Marginalization
- Paladino & Company, Inc.SeattleWorking with Building Owners to Optimize Business Performance using Sustainability as a Competitive Driver
Listings 1%-AG | AG-AM | AM-AT | AT-BI | BI-CA | CA-CL | CL-DR | DU-EL | EL-EN | EN-FO | FO-GR | GR-HI | HI-IN | IN-LA | LA-MI | MI-NI | NI-PA | PA-QU | RA-SE | SE-SO | SO-SU | SU-TR | TR-WA | WA-XZ | YA-ZE Total 1208 Entries