The Occidental Petroleum headquarters building is seen in Los Angeles, Jan. 26, 2010. Billionaire Warren Buffett's company keeps buying shares of Occidental Petroleum, and Berkshire Hathaway now ...

Occidental Petroleum Corp. agreed to acquire Texas ... Occidental’s corporate jet flew from Houston, where headquarters are located, to Omaha, Buffett’s home, on Nov. 27 and stayed grounded ...

Occidental Petroleum Corp. (NYSE ... This segment also invests in entities. Company headquarters are currently in Houston, Texas. It was founded in 1920 in Los Angeles, and tycoon Armand Hammer ...

Oil giant Occidental Petroleum Corp. is planning to sell bonds in as many as five parts to help fund its planned acquisition of CrownRock LP, according to a filing on Friday. The energy company ...

Occidental Petroleum Corp. (NYSE ... This segment also invests in entities. Company headquarters are currently in Houston, Texas. It was founded in 1920 in Los Angeles, and tycoon Armand Hammer ...