Company List > 0-9  A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X Y  Z       State List > AK AL AR AZ CA CO CT DC DE FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY

• A123 Systems - Energy Batteries Page.

• A.T. Kearney -  Energy Consultants Page.

• ABB - Energy - Smart Grid Page.

• Abengoa Solar - Energy - Solar Page.  Locations: Denver, Colorado; San Francisco, California.

• Absolute Energy - Energy - ESCOs Page. *

• Abundant Renewable Energy (ARE) - Energy - Wind Page.  Locations: Newberg, Oregon.

• Accenture - Energy -  Energy Consultants Page.

• Acciona Energy - Energy - Wind Page.

• Aclara - Energy - Metering Page.  Locations: Hazelwood, Missouri; Beachwood, Ohio; Wellesley, Massachusetts.

• ACORE - American Council On Renewable Energy (ACORE) - Energy - Renewables Page.  Locations: Washington, DC.

• ACS - Advanced Control Systems - Energy - Smart Grid Page.

• Actaris - Energy - Metering Page.  Locations: Owentown, Kentucky; Greenwood, South Carolina

• Active Power - Energy - Flywheels Page.

• ADMMicro - Energy - Efficiency Page.  Locations: Roanoke, Virginia.

• Advanced Control Systems (ACS) - Energy - Smart Grid Page.  Locations: Norcross, Georgia.

• Advanced Energy -  Energy - Building Automation Page.  Locations: Raleigh, North Carolina.

• Advanced Energy Partners (AE) - Energy - Renewables Page.

• Advanced Grid Applications Consortium - Energy - Smart Grid Page.

• Advanced Power and Energy Program (APEP) - Energy - Research Page.

• Advanced Power Projects (POWER) - Energy - Generation Page.  Locations: Fremont, California.

• Advanced Telemetry - Energy - Building Automation Page.  Locations: Larkspur, California.

• Advantage IQ - Energy - ESCOs Page.  Locations: Washington.

• Advent Solar -  Energy - Solar Page.  Locations: Albuquerque, New Mexico.

• Aegis Technologies - Energy - Smart Grid Page.  Locations: Phoenix, Arizona; Atlanta, Georgia, Houston, Texas, Minneapolis, Minnesota.

• Aeris - Energy - Communications Systems Page.  Locations: San Jose, California.

• AES Corporate - Energy - Investor Owned Utilities Page.  Locations: Arlington, Virginia.

• AES - Energy - Wind Page.

• AESO (Alberta Electric System Operator) - Energy - RTOs ISOs.

• AgCert International - Energy - Renewable Energy Credits Page.

• Agilewaves - Energy - Home Automation Page.  Locations: Menlo Park, California.

• AGL Resources - Energy - Investor Owned Utilities Page.  Locations: Atlanta, Georgia.

• Airak - Energy - Monitoring Page.    *

• AirSprite - Energy - Monitoring Page.  Locations: Marlborough, Massachusetts.

• Airtricity - Energy - Wind Page.

• Akuacom - Demand Response - Supporting Technology  Locations: San Rafael, California.

• Akermin - Energy - Fuel Cell Page.

• Alabama Power - Energy - Integrated Utilities Page.

• Alcatel-Lucent - Energy - Industry - Suppliers.

• AlertMe - Energy - Home Automation Page.  Locations: Cambridge, England; Palo Alto, California.

• Algenol Biofuels - Energy - Ethanol Page.  Locations: Loxahatchee, Colorado.

• Allegheny Energy - Energy - Investor Owned Utilities Page.  Locations: Greensburg, Pennsylvania.

• Allegheny Energy Supply - Energy - Generation.

• ALLETE - Energy - Integrated Utilities Page.  Locations: Duluth, Minnesota.

• Alliance for Clean Energy New York - Energy - New York Page.

• (The) Alliance to Save Energy - Energy - Efficiency Page.  Locations: Washington, DC.

• Alliant Energy - Energy - Integrated Utilities Page.  Locations: Madison, Wisconsin.

• Allied Energy Services - Energy - ESCOs Page. *

• Allied Utility - Energy - Demand Response - Supporting Technology Page.

• Alt Energy Stocks - Clean Tech Page.

• Altanova - Energy - Consultants Page.  Locations: Queens, New York.

• AltaRock - Energy - Geothermal

• Altairnano - Energy Batteries Page.

• Alternative Energy Investing - Energy - News Page.  *

• Alternative Energy Resources - Energy - Demand Response Page.

• Altra Biofuels - Energy - Biofuels Page.

• Altira Group - Energy - Capital Page.  *

• Always On UPS Systems Inc. - Energy - Storage Page.

• Ambient Communications - Energy - BPL Page.

• Ameren Corporation - Energy - Investor Owned Utilities Page.  Locations: St. Louis, Missouri.  Illinois.

• Ameresco - Energy - ESCOs Page.  Locations:n Framingham, Massachusetts; Various - http://www.ameresco.com/locations.asp

• American Coal Council (ACC) - Energy - Coal Page.  

• American Council for an Energy-Efficient Economy - Energy - Efficiency Page.

• American Council On Renewable Energy (ACORE) - Energy - Renewables Page.  Locations: Washington, DC.

• American DG Energy - Energy - ESCOs Page.  Locations: Waltham, Massachusetts.

• American PowerNet - Energy - ESCOs Page.

• American Solar Energy Society - Energy - Solar Page.   

• American Superconductor - Energy - Wind Page.

• American Wind Energy Association - Energy - Wind Page.  Locations: Washington, DC.

• Americans for Balanced Energy Choices (ABEC) - Energy - Coal Page.

• AMPY Metering - Energy - Metering Page.

• Analysis Group - Energy - Consultants Page. Locations: Multiple.

• Ancillary Services Coalition (ASC) - Energy Demand Response Page.

• Andersons - Energy - Ethanol Page.

• Angeleno Group - Energy - Capital - Venture Capitalists Page.  Locations: Los Angeles, California.

• Apex - Energy - Efficiency Page.

• Apogee Interactive - Energy - Industry Suppliers Page.

• Apollo Solar - Energy - Solar Page.  Locations: Bethel, Connecticut.

• APPA - Energy - Associations Page.

• Applied Materials - Energy - Solar  Locations: Santa Clara, California.

• Aquamarine Power - Energy - Marine Page.   *

• Arcadian Networks - Energy - Communications Networks.  Locations: Valhalla, New York.

• Architectural Energy Corporation -  Energy - Building Automation Page.  Locations: Boulder, Colorado.

• ArcLight Capital Partners - Energy - Capital Page.

• Areva - Energy - Generation Page.

• Arizona Corporation Commission - States - Arizona Page.

• Arizona Electric Power Cooperative (AEPCO) - States - Arizona Page.

• (The) Arizona Power Authority  - States - Arizona Page.

• Arizona Public Service - Energy - Integrated Utilities Page. *

• Arkados - Energy - BPL - Broadband over Power Lines Page.  Locations: Piscataway, New Jersey.

• Arthur D. Little - Consultants Page.

• ArvinMeritor, Inc. Energy - Fuel Cells Page.

• ASAP Power - Energy - Solar Page. 

• Ascent Solar Technologies (AST) - Energy - Solar Page.  Littleton, Colorado.

• Association of Energy Engineer’s - Energy - Associations Page.

• Association for a Better New York (ABNY) - Energy - New York Page.

• Association of Energy Services Professionals - Energy - Associations Page.

• Ascent Solar Technologies (AST) - Energy - Solar Page. 

• AT Kearney -  Energy Consultants Page.

• Atlantic City Electric - Energy - Integrated Utilities Page. *

• Atlantic Energy Solutions - Energy - ESCOs Page.  Locations: Saratoga Springs, New York.

• Atmos Energy - Energy - Natural Gas Page.  Locations: Dallas, Texas.

• AUS Consultants - Energy Consultants Page. *

• Aurora BioFuels - Energy - Biomass Page.  Locations: Berkley, California.

• Ausra - Energy - Solar Page.  Locations: Palo Alto, California.

• Austin Energy - Energy - Municipalities Page.  *

• Austin Ventures - Energy - Capital Page.

• Autodesk - Energy - Smart Grid Page. 

• Automated Energy - Energy - Building Automation.

• Aventine Renewable Energy - Energy - Ethanol Page.

• Avista Utilities - Energy - Integrated Utilities.

• Aztech Associates - Energy - Smart Grid Page.  Locations: Kingston, Ontario; Annapolis, Maryland.

See something that should be changed or added to this page, or a bad link - email me to make a change.

Paul J. Feldman