Largest Security Firms in Massachusetts

Rank Firm/ Total number of security guards in Mass. as of Sept. 1, 2020 Total number of full-time security guards in Mass. Total number of part-time security guards in Mass. Total no. of clients served for guard service in Mass. in 2019 Types of properties serviced Top local executive(s) 1 Allied Universal, 580 Harrison Ave., Charlestown, MA 02129, 617-587-3500, aus.com 3522 2574 948 450 Commercial real estate, retail, hospitals, schools/universities Caress Kennedy, President/Northeast 2 Northeast…