Doyle Security Services (DSS) has improved its ranking among the largest security services companies in the United States and Canada, according to a prestigious industry publication. The recently released 2025 Security Letter, which lists the “Leading Security Guard Companies in North America,” places DSS among the top twenty firms providing security services.
2025 marks the 20th Anniversary of DSS’ founding. As we celebrate this milestone, we want to share a video highlighting the people and organizational philosophy that made DSS one of the nation’s top security services providers.
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