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New oil and gas exchange comes in

Published on .

Houston--PetroCosm Corp. has introduced an e-hub aimed at oil and gas companies. PetroCosm has big-name backers, including Chevron Corp., Texaco Inc. and Ariba Inc. Competition in the space is fierce. Royal Dutch/Shell Oil Group, BP Amoco plc and nine other oil giants announced their own procurement exchange last April.
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