Sentinel Security & Investigations, Inc. has been keeping watch over Washington, PA for 48 years. On March 24, 1976, John Petronka founded the company as Sentinel Security & Investigation Services at 60 Franklin Farms Road, where it stands to this day. Ever since, Sentinel has been committed to providing reliable, expert security guard service, private investigations, process service, and more for individuals, organizations, events, and local businesses near you. Whether you need security guards based in Washington, PA, private investigators, process servers, or surveillance experts, our team is the key to all your security needs. With over 48 years of experience in the security guard and private investigation industry, Sentinel has a proven track record of providing high-quality services to its clients. Our team is committed to excellence and building long-term relationships with our clients.
Chris Petronka & his staff at Sentinel Security have received exceptional reviews, with both reviewers praising their professionalism, promptness, and reliability.
Get connected with the top detectives in Washington, PA! Our network of licensed private investigators offers expert services in surveillance, background checks, and forensic analysis. From infidelity cases to fraud investigations, our reliable detectives deliver accurate results. Trust our team to uncover the truth and provide the evidence you need. 