OSS Janitorial Service, founded in 1967, is a leading security guard service company with over 50 years of experience in providing premium security solutions to clients in Ohio, Pennsylvania, and New York. As one of the largest privately held security firms in the nation, OSS is known for its exceptional performance, service, and value, offering fully uniformed guards, site-specific training, property patrol, and EMT/CPR emergency training.
Specializing in commercial real estate, health care facilities, higher education, and industrial facilities, OSS prides itself on building long-lasting relationships with customers and delivering top-notch security services tailored to individual needs. With a team of highly trained security officers and state-of-the-art technology, OSS ensures the prevention of unauthorized visitors, removal of potential hazards, and prompt response to emergencies, making them a trusted choice for premium security services.
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