On this date, 47 years ago, March 24, 1976, my father, John Petronka, founded Sentinel Security & Investigation Services at its current location 60 Franklin Farms Road Washington, PA. We would like to thank our community for their support and all of our employees for their dedication these past 47 years.

2022 has been a tough year for everyone, especially those who are on a budget. As Sentinel Security continues to grow, we look to help those who need security at an affordable price. If this offer interests you, consider calling us at 724-225-7957 for a quote today!

Sentinel has provided process services for over 25 years in Southwestern Pennsylvania. We provide local pick up, discounted bulk services, regular, rush and priority services. Call us today at 724-225-7957. We can provide references from many local law firms.