Halliburton is a multinational corporation. One of the world's largest oil field service companies, it has operations in more than 70 countries. The company has dual headquarters located in Houston (US) and in Dubai, United Arab Emirates, but it remains incorporated in the United States. Halliburton's major business segment is the Energy Services Group. It offers a broad array of products and services to upstream oil and gas customers worldwide through 14 product service lines. Its mission is to achieve superior growth and returns for shareholders by delivering technology and services that improve efficiency, increase recovery, and maximize production for customers.