Though most famously run by former Vice President Dick Cheney, Halliburton Energy Services was run by Thomas H. Cruikshank during the 80s and early 90s.  What was their primary area of operation?
Halliburton The Halliburton Company, an American multinational corporation. One of the world's largest oil field service companies, it has operations in more than 70 countries. It owns hundreds of subsidiaries, affiliates, branches, brands, and divisions worldwide and employs approximately 50,000 people.
Johnny H. Hayes Johnny H. Hayes (1941 – 20 September 2008) was a Democratic fundraiser and politician from Tennessee. Hayes is best known for his effort as finance chief for Al Gore's presidential campaigns, both in 1988 and in 2000. Hayes had been with Gore since he managed the finances of Gore's congressional campaign in 1976, and later for his Senate elections in 1984 and 1990. Hayes also held similar positions for Tennessee Governor Phil Bredesen for the 2002 and 2006 campaigns. As vice president, Gore made Hayes director of the Tennessee Valley Authority in 1993. This post he held until 1999, when he left to manage Gore's presidential campaign.