The companies at the center of the Gulf Coast oil spill are boosting their legal and lobbying firepower to help them through a growing backlash in Washington, D.C.

Wilmer Cutler Pickering Hale and Dorr’s Jamie Gorelick has been hired to lead a team for BP. Jeffrey Turner, co-chair of Patton Boggs‘ public policy practice, is representing Halliburton Co. John Beisner, a partner in Skadden, Arps, Slate, Meagher & Flom’s Washington office who specializes in mass tort defense, is working with Transocean Ltd. Williams & Connolly’s Emmet Flood is representing Cameron International Corp.