INTEGRITY SECURITY SERVICES
Integrity Security Services delivers top-tier security solutions across Pennsylvania and New Jersey, grounded in our experience from serving in local and federal law enforcement. We bring the professionalism and reliability that the region deserves, setting a new benchmark in the security industry.
Our Services
Executive Protection
Our executive protection team provides comprehensive security solutions for major companies within the city, offering round-the-clock bodyguard services for executives and high-profile clients. Recognizing that the nature of threats can vary based on industry, company size, geopolitical factors, and personal profiles, we tailor our approach to each client. Our mission is to handle all security-related tasks, allowing you to focus on your responsibilities with complete peace of mind.
Hospitality
Our team provides comprehensive security solutions tailored specifically for hotels, ensuring the safety and comfort of all guests and staff members. Our officers are not only trained in high-level security practices but also excel in customer service, treating each guest with respect and professionalism. With a main focus on Center City, including areas such as Rittenhouse Square, our team brings a proactive approach to hotel security, seamlessly blending safety measures with the welcoming atmosphere your guests expect
Hospital Active Shooter Response
The Hospital Active Shooter Response Team (HASRT) is a specialized unit within Integrity Security Services, staffed by active and retired law enforcement officers. Serving hospitals across Pennsylvania and New Jersey, HASRT integrates with existing security operations to provide a visible armed presence and ensure immediate response to violent incidents, including active shooter threats. Designed to complement hospital protocols without disruption, HASRT brings decades of law enforcement expertise in crisis response, de-escalation, and threat neutralization—enhancing safety while remaining mindful of budget constraints.
Corporate Security
Our corporate security services are designed to safeguard luxury clients, their assets, and their employees during and outside of business hours. With a focus on high-profile locations across Pennsylvania and New Jersey—including premier retail destinations, corporate hubs, and exclusive communities—our experienced team delivers the professionalism and expertise needed to secure your business. Whether protecting retail spaces, office buildings, or high-value assets, we manage all aspects of security, allowing our clients to concentrate on their business goals while we deliver on their security objectives.
Construction Site Security
ISS ensures the safety and security of construction sites across Pennsylvania and New Jersey. Our experienced team, composed of active and retired law enforcement officers, provides 24/7 protection for your site, safeguarding equipment, materials, and personnel. With proactive patrols, perimeter monitoring, and on-site presence, ISS prevents theft, vandalism, and unauthorized access, giving contractors peace of mind. Tailored security plans are crafted to meet the unique challenges of each project, ensuring your construction site remains secure and operational.
Residential Security
Our Residential Security service offers comprehensive protection for homeowners across Pennsylvania and New Jersey, combining stationary and roving patrol options. Staffed exclusively by experienced active or retired police officers, we deter crime with a strong, visible presence tailored to your property’s unique needs.
Roving Security: Routine patrols cover designated areas, monitoring perimeters, deterring threats, and responding to suspicious activity.
Stationary Security: On-site officers provide continuous oversight at access points and key areas.
We offer 24/7 customizable coverage, direct access to leadership, and professional security yard signs—ensuring your home and family are always protected.
About Our Company
Integrity Security Services (ISS) stands as Pennsylvania’s and New Jersey’s premier security provider, recognized for our commitment to excellence, reliability, and unparalleled professionalism. Founded by John Krewer, a seasoned law enforcement expert with nearly two decades of experience with the Philadelphia Police Department and the Federal Bureau of Investigation, ISS is built on a strong foundation of expertise, integrity, and a relentless dedication to public safety. Throughout his distinguished career, John has led complex investigations involving violent gangs, narcotics trafficking, murder-for-hire operations, and organized crime.
John’s extensive law enforcement background is complemented by significant experience in the security industry. He served as the Head of Security Operations for one of the largest outdoor concert venues in the Northeast, overseeing the safety and security of thousands of attendees at each event. Additionally, as Director of Health and Safety for one of the nation’s largest music festivals, John was responsible for safeguarding over 60,000 patrons across two days. This vast experience managing large-scale security operations under high-stress conditions positions Integrity Security Services as a leader in providing reliable, professional protection for clients across diverse sectors, including corporate, hospitality, construction, residential, and special events.
At ISS, we offer a wide range of comprehensive security services, each tailored to meet the unique needs of our clients. Our services include executive protection, construction site security, active shooter response teams, corporate security, residential patrols, and more. All of our officers are active or retired law enforcement officers, ensuring that every security solution is backed by decades of experience and expertise.
We are dedicated to providing not only safety but peace of mind. Whether protecting high-profile individuals, securing large events, or safeguarding homes and businesses, Integrity Security Services delivers the highest level of protection with the utmost professionalism. As Pennsylvania’s and New Jersey’s leading security firm, we set a new standard in the industry—one that is rooted in trust, excellence, and a commitment to safeguarding what matters most to our clients.
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Employment
Are you a professional who leads with integrity and dedication?
At Integrity Security Services (ISS), we’re looking for committed individuals who are ready to make a difference in the security field.
You must be an active law enforcement officer or a retired law enforcement officer. All retirees must have completed at least 10 years of service and either possess or be eligible for HR-218 certification. Additionally, all retirees must have separated from their departments in good standing and not under investigation at the time of separation.
As part of the ISS family, you’ll work alongside experienced security professionals who share your values and commitment to safety. Join us in delivering top-tier security services across Pennsylvania and New Jersey—and make a meaningful impact every day.
Apply today and become part of one of the region’s premier security teams at Integrity Security Services!