TSE – Tri State Enforcement Regional Authority is the Mid-Atlantic Region’s preferred regional partner for Contract Policing, Public Safety, and Advanced Protective Security Service needs. We’re committed to providing an unparalleled level of trusted professional service, and consistent and proven results. TSE Lancaster delivers proven and reliable services to agency partners and clients who require a worry-free and superior option for their security and protection needs. TSE Officers deliver real and measurable solutions, far superior when compared to traditional security guard companies. TSE was organized and founded specifically to meet the demand for a better alternative to traditional security and public safety services. As a result, TSE supplies worry-free and quantifiable solutions to a wide variety of both large and small organizations every day. TSE Lancaster delivers top-rated physical security, policing, and public safety solutions across Berks, Chester, and Lancaster Counties.