Kelso & Company has acquired a majority stake in The Cronos Group. Cronos' former largest shareholder, Transportation Capital Group, has also provided the company with an additional equity investment. Cronos is a container leasing and management company and was advised by Keefe, Bruyette & Woods and Greene Radovsky Maloney Share & Hennigh on the deal. Kelso was advised by Deutsche Bank Securities and Debevoise & Plimpton.