(4-traders.com) Costain, the engineering solutions provider, announces that it has completed the acquisition of Rhead Group, a professional services consultancy with a focus on programme and commercial management. Rhead Group, established in 1985 and operating with over 550 people, provides a range of solutions for the lifecycle of infrastructure, construction...http://www.4-traders.com/COSTAIN-GROUP-PLC-4001808/news/Costain--Acquisition-Of-Rhead-Group-Holdings-Limited-Rhead-Group--Costain-20873901/