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A security company that focuses on securing people, property, and assets by being a true partner to our clients. Family owned and growing organically for over 25 years. Colonial Security Services is a trusted, reliable choice that puts our clients at the forefront of our growth. Driven by a deep commitment to empower the ambitious to become the accomplished, Colonial’s teams and operations are aligned in providing clients and employees with the resources, knowledge, and support they need to achieve their loftiest goals. Working across commercial, industrial, and institutional markets, Colonial is especially adept at leveraging industry change and tackling site challenges in service of achieving successful security projects that protect clients’ businesses and their people. We are a partner that wants to grow with its clients. A dedicated team of security professionals that have industry experience in being client-driven and officer-centric. Our pride is in our level of service - The right officer for the right job with the best training.

Colonial Security Services Questions

The Colonial Security Services annual revenue was $49.5 million in 2026.

Joseph Marini is the COO of Colonial Security Services.

35 people are employed at Colonial Security Services.

Colonial Security Services is based in Philadelphia, Pennsylvania.

The NAICS codes for Colonial Security Services are [561, 56].

The SIC codes for Colonial Security Services are [738, 73].

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