This directory covers more than 4,000 companies involved in coal mining and coal products; electricity supply; fuel distribution; natural gas supply; nuclear engineering; oil and gas exploration and production; oil and gas services and equipment; and oil refining worldwide. Entries typically provide: company name; address; telephone, telex and fax numbers; email and Web addresses; names of senior management and board members, including more than 20,000 senior executives; description of business activities; brand names and trademarks; financial information for the previous two years; and more.