Halliburton Company is an oilfield services company. The Company is provider of services and products to the energy industry related to the exploration, development, and production of oil and natural gas. It serves national, and independent oil and natural gas companies worldwide and operates in two segments: Completion and Production segment and Drilling and Evaluation segment. The Company conducts business worldwide in approximately 80 countries. The business operations of its divisions are organized around four primary geographic regions: North America, Latin America, Europe/Africa/CIS, and Middle East/Asia. During the year ended December 31, 2011, based on the location of services provided and products sold, 55% of its consolidated revenue was from the United States. In October 2011, the Company completed the acquisition of Multi-Chem Group, LLC.