Allied Universal®, the world’s leading security and facility services provider, today announced the appointment of Retired U.S. Army Major General Wil ...

Santa Ana-based Allied Universal, the world’s biggest private security firm, said it’s acquired American Security to expand in the southeastern U.S. Founded in 1975 by retired South Carolina Highway ...

Irvine-based Allied Universal, the world’s largest private security firm, said it’s been awarded a five-year contract to help secure Dallas Fort Worth International Airport (DFW), the second-largest ...