Parthenais Security Service (PSS) provides professional, reliable security solutions for businesses, construction sites, residential communities, and special events throughout Stormont, Dundas & Glengarry and the surrounding area. We specialize in mobile patrols, alarm response, property inspections, lock and unlock services, construction site security, concierge security, event security, and customized security solutions tailored to each client's needs. Our mission is simple: Protecting People. Securing Communities. We believe security is more than just having a visible presence. It's about professionalism, rapid response, clear communication, and building trust with every client we serve. Whether you need scheduled patrols, after-hours property checks, or a long-term security partner, PSS is committed to delivering dependable service with integrity and attention to detail.