Energy Companies in the Yahoo! Directory

Schlumberger (NYSE:SLB)
Global oilfield and information services company with major activity in the energy industry.
www.slb.com
Enron (22)
Browse a collection of web sites concerning the services, people, and history of Enron.
dir.yahoo.com/.../Energy/Enron
Dominion (NYSE:D)
Provides electricity, natural gas, and related services to customers in the Midwest, Mid-Atlantic, and Northeast regions of the U.S.
www.dom.com
TXU Corporation
TXU is a holding company which, through its subsidiaries, engages in the generation, purchase and distribution of electricity and the processing, transmission, distribution, and marketing of natural gas. Also engages in power development and telecommunications.
www.txu.com
Aquila
Multinational risk merchant with a focus on natural gas, power, and a variety of risk management and custom energy products.
www.aquila.com
E.ON
Integrated power and gas company. E.ON is an investor-owned energy service provider.
www.eon.com
Siemens Energy & Automation
Electrical, engineering and automation solutions, products, software, and services to the industrial, manufacturing, and construction industries
www.sea.siemens.com
GE Power Systems
Offers products and services across the power generation, oil and gas, transmission and distribution, distributed power, and energy rental industries.
www.gepower.com
Wiliams Energy Services
Offers services in the areas of natural gas, petroleum, energy marketing, trading and finance, and retail energy.
www.williams.com
Dynegy (NYSE:DYN)
Services include energy convergence, marketing of NGL's, transmission and distribution of natural gas and electricity, and telecommunications services in North American and the U.K.
www.dynegy.com
CenterPoint Energy (NYSE:CNP)
International energy services and delivery company.
www.centerpointenergy.com
Sasol (NYSE:SSL)
Comprised of diversified fuel, chemical, and related manufacturing and marketing operations, complemented by interests in technology development and oil and gas exploration and production.
www.sasol.com
Edison International (NYSE:EIX)
Family of companies that develops, acquires, finances, owns, operates, and maintains reliable and efficient power systems around the world.
www.edison.com
CMS Energy Corporation (NYSE:CMS)
Involved in oil and gas exploration, production and distribution, independent power development, and electric and gas utility operations.
www.cmsenergy.com
Sempra Energy (NYSE:SRE)
The Sempra Energy companies develop energy infrastructure, operate utilities, and provide related products and services to consumers in the United States, Europe, Canada, Mexico, South America, and Asia.
www.sempra.com
Ameresco
North American energy services company with subsidiaries that include Ameresco Canada, Ameresco Solutions, and Citizens Conservation Services.
www.ameresco.com
GrandBasin
Offers hosted workspace for exploration and production companies.
www.lgc.com
Mirant
Integrates electricity generation and distribution, management of gas assets, fuel procurement, and marketing of energy and energy-linked commodities.
www.mirant.com
SK Corporation
Involved in petroleum refining, oil exploration and production, LPG, coal mining, lubricants, and more.
www.skcorp.com
Australian Gas Light Company (AGL)
Provides electricity, natural gas, and LPG products and services to homes and businesses.
www.agl.com.au