International Emissions Trading Association (IETA)
An independent, non-profit organization dedicated to the establishment of effective systems for trading in greenhouse gas emissions by businesses.
http://www.ieta.org

Lee International
Lee International: Emissions trading consulting / consultancy and advisory services -- connecting carbon emissions market buyers in European Union, Canada and Japan with sellers in Brazil, South Africa and China -- specializing in clean development mechanism (CDM) projects, greenhouse gas mitigation
http://www.go-worldlee.com/

Emissions Trading Blog
A trader's newsletter on the emissions market place. Including news, prices, links and commentary on various carbon trading issues revolving around EU ETS, CDM, CER and JI instruments and projects.
http://emissionstrading.blogspot.com/

Vertis Environmental Finance
Trading, financial advisory and investment firm active in the emissions trading, carbon finance and environmental financial sectors, with focus on the EU Emissions Trading Scheme.
http://www.vertisfinance.com

Carbon Capital Markets
European company facilitating carbon emissions trading, emissions reduction, emissions compliance solutions and carbon finance as well as the buying and selling of carbon emission allowances.
http://www.carboncapitalmarkets.com

Australian Climate Exchange
A membership framework designed to assist Australian industry in addressing the commercial, legal and regulatory risks associated with their greenhouse gas emissions, including emissions trading.
http://www.climateexchange.com.au

CarbonSim Simulations and Software
CARBONSIM is a leading developer of CO2 emissions trading simulations and software.
http://www.carbonsim.com

The Low Emissions Mission
A free resource for Virginia Vehicle Emissions Inspectors. Includes on-line training, discussions forum, tutorials, and a cartoon archive. Citizens who have failed the emissions inspection can use this site for information on causes and repairs that could lead to a passing emissions result.
http://members.tripod.com/Waysafe/

Climate Corporation
Climate Corporation ist ein Broker und Dienstleister für den EU Emissionshandel. Wir betreuen Ihr Unternehmen in allen Markt- und Handels-Fragen.
http://www.climatecorp.com

Cantor Fitzgerald Environmental Brokerage
CantorCO2e emissions trading brokers and carbon trading experts trade carbon credits and other greenhouse gas emission credits
http://www.emissionstrading.com/