HOUSTON--(BUSINESS WIRE)--Apr 23, 2018--Calash, the energy sector consultancy, is pleased to have advised the New York private equity investment firm Castle Harlan in their recent acquisition of Exterran Corporation’s Oil and Gas Production Equipment Assets in North America Creating “Titan Production Equipment”. Calash undertook a comprehensive commercial due diligence exercise for Castle Harlan, supporting their investment in Titan Production Equipment.Read more on NewsOK.com