1. Investment: Group of publicly-owned companies involved with energy-related activities.
 2. Business: Industry classification that includes companies focused on energy exploration, extraction, refining and distribution.
Related information about energy sector:
- Energy industry - Wikipedia, the free encyclopedia
 In addition, it is argued that there is also the potential to develop a more efficient   energy sector. This can be done by: Fuel switching in the power sector from coal ...
 
- Energy Sector Definition | Investopedia
 A category of stocks that relate to producing or supplying energy. This sector   includes companies involved in the exploration and development of oil or gas ...
 
- Energy Sector - Yahoo! Finance Industry browser
 Industry Browser - Energy Sector - Industry List, As of 26-May-2005. Enter symbol  : symbol lookup · View All Industries · Sectors > Energy ...
 
- Energy Sector | Reuters.com
 UPDATE 4-Chinese police plan to board vessels in disputed seas. BEIJING/  MANILA, Nov 29 - Police in the southern Chinese island province of Hainan will ...
 
- Energy Sector | Homeland Security
 The U.S. energy infrastructure fuels the economy of the 21st century. Without a   stable energy supply, health and welfare is threatened and the U.S. economy ...
 
- Best and worst: Energy sector - MarketWatch
 Apr 19, 2012 ... As our series continues, we take a look at the energy sector, which on the surface   because of some very good big-name stocks, would appear ...
 
- Energy Sector Market Analysis Sponsored by the - NREL
 Office of Energy Efficiency & Renewable Energy. National Renewable Energy   Laboratory. Innovation for Our Energy Future. Energy Sector Market Analysis ...
 
- Siemens Energy Sector
 Siemens answers the challenges of a sustainable energy system with innovative   products, solutions, and services, unparalleled know-how, and global energy ...