G4S
The company has over 620,000 employes dislocated worldwide and participates in operations in 125 countries, with a focus on developing markets. G4S plc (LON:GFS), traded on the London Stock Exchange, has been named the second-largest private employer in the world, being outrun only by Wal-Mart Stores, Inc. (NYSE:WMT). The operations in which G4S is engaged involve: (a) the providing of security forces for private clients and government agencies, (b) intelligence, (c) land-mine clearance and (d) training.