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Clearstream is a leading European supplier of post-trading services. The wholly owned subsidiary of Deutsche Börse ensures that cash and securities are promptly and effectively delivered between trading parties. It also manages, safekeeps and administers the securities that it holds on behalf of its customers. Over 300,000 domestic and internationally traded bonds, equities and investment funds are currently deposited with Clearstream.
Halliburton Company is an American multinational corporation. One of the worlds largest oil field service companies, it has operations in more than 70 countries.
BTI is a Houston, TX-based company in the Energy and Utilities sector.
Oil Optimization Inc is a Canadian listed international oil and gas company focused on discovering hydrocarbons on its petroleum concession onshore Thailand.