• MarketPing, Inc. - Offers a variety of online solutions to assist buying and selling of pollution control goods and services.
   

• yet2.com - is the leading online marketplace that enables interactive technology transfer between corporations, academic institutions, national labs, technology brokers and individual inventors.

 
• WCTBid.com (Web Component Trading Ltd.) - Providing technology that empowers companies to buy and sell inventory online

 

• AgriSeek.com - Marketplace to aid those in the agricultural field in buying and selling lumber, , farming related jobs, animal products, agrochemicals and a wide range of services.
   
• Green Seal - provides credible, objective, and unbiased information whose only purpose is to direct the purchaser to environmentally responsible products and services.
   
• Computer & Electronics Recycling - Electronic Industry Alliance (EIA) is developing a web-based resource for electronics recycling.
   
• Premier - An alliance of not-for-profit hospitals and healthcare systems including Premier's Safety Institute which provides safety resources and tools to promote a safe healthcare delivery environment for patients, workers, and their communities
   
• Website Recycling Company - Buy and sell computers, web infrastructure, software, and websites.
  
• Enviro2B.com - European environmental B2B portal
  
• Yahoo B2B Marketplace - B2B Search - find products for all industries from many B2B sites.
  
• Trucks.com - [New, used & reconditioned refuse vehicles, roll offs and specialty vehicles.
  
• Auto.Recycle.Net - The Internet's used vehicle marketplace.
  
• Boat.Recycle.Net - The used boat marketplace.
  
• Plane.Recycle.Net - The used plane marketplace.
  
• Used.Recycle.Net - The Internet's used stuff marketplace.
  
• Equip.Recycle.Net - The Internet's used equipment marketplace.
 
• CoalCamp - E-commerce for buyers and sellers in the mining industry, offering access to industry information and resources.
 
• Manufacturing.net - The Manufacturing e-Marketplace. Researching and buying manufacturing goods and services]
 
• Dovebid - Business auctions worldwide.  World's leading auctioneers and capital asset sale advisors
 
• iMark.com - eMarketplace for surplus equipment and inventory
 
• FreeMarkets -  Online auctions for buyers of industrial parts, raw materials, commodities and services.
 
• TradeOut.com -  Marketplace for businesses buying and selling excess inventory and idle assets.
 
• PurchasePro - Marketplaces where businesses can buy and sell a wide range of products and services. 
 
• Buzzsaw.com - E-commerce services for everyone in the building industry.
 
• Camelot - Auctions of quality new and pre-owned industrial equipment at competitive prices. 
 
• Commercial Equipment X-Change - GE Capital Commercial Shopping Network.  Search for pre-owned equipment, post equipment want ads for machines you are looking for, or post your own equipment for sale. No charge. Registration required.
 
• EquipmentLeasing.com - Marketplace for the buying and selling of capital machinery and equipment.
 
• E-Industrials - E-Industrials is the leading global marketplace for industrial products e.g. bearings, belts, gears, hydraulic components, springs, AC motors, and the like. 
 
• MaterialNet - Reverse auctions for the purchase of all metals and raw materials. 
 
• fob.com - Procurement of manufacturing or process input materials. 
 
• IndustrytoIndustry.com - Marketplace, auction and information for energy, chemicals, construction materials and retail equipment.
 
• Internet Resale Directory - eMarket for both resale businesses and individuals interested in reselling merchandise on the Internet.
 
• Ironmall.com - Live auction site that sells used, heavy construction equipment. 
 
• Online Asset Exchange - Trading exchange for used and surplus capital machinery and equipment.
 
• PlanetTest.com - Auctions, marketplace and store of test and measurement equipment. 
 
• SciQuest.com - Consolidate, track and manage lab supply orders also store and auction.
  
• XSmaterials.com, Inc. - The world's leading Internet marketplace directory dedicated exclusively to excess materials, secondary commodities, surplus inventory and other related services. A privately held "C" corporation founded in December of 1999 with corporate headquarters in San Antonio, Texas.

 

• Biobased Manufacturers Association - Biobased products rely upon plant and animal materials as their main ingredients. They are made from a renewable resource and, with some exceptions, they generally do not contain synthetics, toxins or environmentally damaging substances.
   
• Biodegradable Products Institute - a multi-stakeholder association of key individuals and groups from government, industry and academia, which promotes the use, and recycling of biodegradable polymeric materials (via composting).
   
• Center for a New American Dream - helps Americans consume responsibly to protect the environment, enhance quality of life, and promote social justice.
   
• EcoDirectory - The Ultimate Directory of Natural Foods, Green Products and Eco Friendly Services with over 15,000 Business Listings
  
• EcoBusinessLinks - Directory for Green Online Shopping & Resources
  Featuring now more than 2,000 handpicked quality green links for a sustainable lifestyle
  
  
• EcoMall - Earth's Largest Environmental Shopping Center Your First Stop to Shop for Green Products That are Good for People and the Environment
   
• GREENGUARD Environmental Institute - the resource for healthy indoor environments. The GEI governs the GREENGUARD Certification Program and provides the world’s only guide to third-party certified low emitting interior products and building materials. All certified products undergo quarterly indoor air quality performance testing according to stringent environmental chamber testing protocols and meet current indoor air quality standards.
   
• Green Home - Find green alternatives to the products you use every day. Everything you need for a healthy home environment
   
• Greenfeet.com - Making it easier to leave smaller, "greener" footprints by providing high-quality, truly natural products that you can trust. 
   
• GreenHomeGuide - A community-based guide to environmentally sound home remodeling for Northern California homeowners debuts August 23, 2004
  
• Green Pages - Co-op America presents thousands of socially and environmentally responsible products and services
  
• Green Power Market Development Group - A collaboration of 12 leading corporations and the World Resources Institute dedicated to building corporate markets for green power. Our goal is to develop corporate markets for 1000 MW of new, cost competitive green power by 2010.
   
• Recycled Plastic Products Directory - American Plastics Council and the Environment and Plastics Industry Council of Canada present the U.S. and Canadian Recycled Plastic Products Directory to assist private and public sector buyers in locating products made with or packaged in recycled plastic.
  
• Real Goods - Products for an ecologically sustainable future
  
• ShopForChange.com - Every time you purchase merchandise from one of our online merchants, we donate 5 percent of the price to nonprofit groups working for peace, equality, human rights, education, and a cleaner environment
   
• SustainLane.com - A community-generated guide for living a better life. SustainLane provides fast & easy access to best-of-class information and resources for enjoying a healthier more sustainable life within your community
   
• The Green Guide - By the The Green Guide Institute, an independent media service designed to provide news; objective, responsible and accurate information and educational material to consumers and others on environment and health
  
• MDEQ EPP Website - Environmentally Preferred products and purchasing
   
• Baltix Sustainable Office Furniture - Baltix green office furniture solutions are designed and manufactured with earth-friendly materials that include wheat straw, sunflower hulls, soy flour, recycled plastic containers, recycled newsprint, green MDF powder coated surfaces and post industrial recycled aluminum.
   
• TFS Green: Clean Development Mechanism - Information on the Clean Development Mechanism
   

Air & Water & Carbon & Environmental Trading

• Environmental Trading Network (ETN) - A national clearinghouse for water quality trading projects (Kalamazoo, MI)
  

• Chicago Climate Exchange (CCX ®) - A voluntary cap-and-trade program for reducing and trading greenhouse gas emissions. 
   

• The Green Exchange - Comprehensive range of environmental futures, options, and swaps contracts: EUAs, CERs, VERs/VCUs, SO2, NOx, CDM, etc.
  

• U.S. EPA's Clean Air Market Programs - Emission cap and trade programs
  

• U.S. EPA's Water Quality Trading website - Includes Final Water Quality Trading Policy, Jan. 13, 2003
  

• The Clean Development Mechanism (CDM) - Section of the United Nations Framework Convention on Climate Change (UNFCCC). 
  

• Emissions Marketing Association (EMA) - Milwaukee, WI based non-profit trade organization that promotes market-based trading solutions for environmental management and to serve its membership
  

• International Emissions Trading Association (IETA) - a Geneva, Switzerland based non-profit organization created in June 1999 to establish a functional international framework for trading greenhouse gas emission reductions.
   

• TFS Green: Clean Development Mechanism - Information on the Clean Development Mechanism

 

Green Power

• Green Power Group - The Green Power Market Development Group is a collaboration of 12 leading corporations and the World Resources Institute dedicated to building corporate markets for green power. Our goal is to develop corporate markets for 1000 MW of new, cost competitive green power by 2010.
   

• U.S. EPA Green Power Partnership - A voluntary Partnership between the U.S. Environmental Protection Agency (EPA) and organizations that are interested in buying green power.
   

• Online Guide to Energy-Efficient Commercial Equipment - From the American Council for an Energy-Efficient Economy (ACEEE), the Guide addresses critical needs in three areas common to commercial buildings: lighting; heating, air conditioning, and ventilating systems; and energy-efficient motors. In addition, office equipment, packaged refrigeration, ice-makers, and even distribution transformers.