Allied Universal

Allied Universal provides security guards, event security, executive protection and corporate investigations, along with video surveillance, access control and fire alarm services for businesses and institutions. Its clients span healthcare, data centers, retail, sports complexes and other sectors, and it also offers janitorial and window cleaning for facilities. The company has been in business since 1957.

Clients with account questions are directed to a phone line, and the company also lists career openings and an employment verification process. Its technology side covers security assessments, monitoring and response services, and it describes a global footprint with sites in the UK, Mexico and Canada alongside North America.