J.F. Lehman & Company has completed its sale of Atlantic Marine Holding to BAE Systems for $352 million. The company provides marine fabrication services and vessel maintenance, repair, overhaul and conversion. JP Morgan acted as an M&A advisor and Blank Rome acted as general counsel to J.F. Lehman on the deal. Atlantic Marine was acquired by J.F. Lehman in August 2006 for $180 million. The firm will continue to hold the company's Boston and Philadelphia operations.