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Winston & Strawn and Baker Botts represent Cameron International Corp. in the Houston company’s pending sale of its Centrifugal Compression business to Ingersoll-Rand for about $850 million in cash.

Simpson Thacher & Bartlett represents Ingersoll-Rand, of Swords, Ireland.

On Aug. 18, Cameron announced a definitive agreement to sell the division to Ingersoll-Rand for $850 million, subject to closing adjustments. Cameron provides flow equipment products, systems and services for the worldwide oil, gas and process industries.

The acquisition is expected to close by the end of 2014, subject to regulatory approval.

William Lemmer, senior vice president and general counsel of Cameron, leads the company’s team with assistance from Brad Eastman, vice president and deputy general counsel.

Richard Wynne, a Winston & Strawn partner in Houston, leads the firm’s team for Cameron, with assistance from associates Garrett Johnston and Adam Wilhite, both in Houston, and partner Roger Lucas and asso­ciate Sean Crowley, both of Chicago.

Baker Botts is antitrust counsel for Cameron, with partner Sean Boland and associate Ryan Foley, both of Washington, D.C., handling the matter.

The Simpson Thacher team for Ingersoll-Rand, all of New York, includes M&A partner Peter Martelli and associates Ravi Purushotham, Randy Benjenk and Taylor Smith; executive compensation and employee benefits partner David Rubinsky, counsel Paul Koppel and associates Jeannine McSweeney and Eric Wolf; tax partner Rob Holo and associate Devin Heckman; environmental senior counsel Adeeb Fadil; and real estate associate Beatrice Branch. Also, intellectual property associate Marcela Robledo of Palo Alto is working on the transaction.