Phillips 66, ConocoPhillips's spun-off refining arm, was separated from the exploration arm of the energy giant last year. The Phillips 66 name has been among the company's most-recognized brands for decades, first with Phillips Petroleum and then ConocoPhillips after its merger with Conoco in 2002. (The first 66-branded gas station opened in Kansas some 86 years ago.) Its $169.5 billion in sales shot it up to No. 4 on the Fortune 500 on its first year (back) on the list.
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