Group 4 Securicor
Group 4 Falck A/S is the world’s second largest security services provider and the industry's largest employer, with more than 230,000 employees in more than 85 countries. With its 2002 acquisition of the Wackenhut Corporation, Group 4 Falck has increased its profit margin by 40 %, almost doubled the number of its employees, and increased its market share dramatically. Securitas (www.securitas.com.) still claims to be the largest security company in the world.