Custom Security Solutions you can count on

Commercial security systems for comprehensive access control, video surveillance, & intrusion detection.

Keystone now provides a wide range of security systems and value-added services that can protect what’s important to you, whether you have a single facility, a campus, or multiple locations around the world. Our highly skilled and trained systems integrators install products from leading security manufacturers. We provide UL-listed central station monitoring services for all systems, which allows business owners and facility managers to have the peace of mind that comes with knowing their systems are in expert hands.

Integrated with your company’s unique security considerations in mind, our security solutions utilize the latest advancements in automated monitoring and detection. Any security company can install cameras or a door alarm; our personalized security experts in Allentown, PA serve as your collaborative allies to develop a cohesive security strategy that shields your property from every angle.

From the entry gates to your managerial suites, updating your commercial protection has never been simpler. With cost-efficiency, ease of use, and cutting-edge installations, our advanced security solutions in Allentown, PA are great for companies that need:

  • Automated entry control solutions for parking lots, guest/staff entries, and access control throughout your facility
  • All-in-one oversight: Our user-friendly security designs make it easy to manage monitoring, alerts, and all other essential security features from a centralized platform or your favorite devices. 
  • Responsive troubleshooting and support: When you have an equipment malfunction or have questions about your security platform, expect a rapid, courteous, and knowledgeable response from our pros. 
  • Scalable automation & integration: Looking for scalable security solutions that include customizable features, automated emergency responses, and constant updates when an alert is triggered? Our leading security solutions conform with your commercial needs, simplifying coordinated protection for campuses, multiple companies, and large facilities across PA.  

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Security Systems in Lehigh County, PA

As a business owner in Allentown, PA, you need to protect your property, employees, and assets. The most effective way to do this is with a security monitoring system. When you need business security systems or door monitoring systems in Allentown, PA trust the specialists at Keystone Fire & Security.

We provide reliable security monitoring systems to commercial businesses in Lehigh County and throughout Southern, PA. With the right commercial security systems or business security systems in PA, you will be able to sleep soundly knowing you are entirely protected.

With many years of expertise in security systems, Keystone Fire & Security has become one of the top security companies in Allentown, PA. Security monitoring systems provide Bethlehem, Easton, and the Southern, PA region of businesses with a way to deter breaches and other property damages. With our business security system installation, all aspects of your business property are secure. Keystone Fire & Security offers corporate security systems to business owners that provide maximum security.

The Best Security Company in Allentown, PA

Of all the security companies throughout the Lehigh Valley and all of Southern, PA trust Keystone Fire & Security with your commercial security systems. Our specialists offer the best corporate security systems to ensure business owners property is safe from potential breaches, damages, and disasters. With detailed training and a wide depth of knowledge, we have become one of the best security companies in PA. Every business security system installation we complete is thoroughly checked and validated for effectiveness so you can trust that your commercial property is fully secure.

We Install Business Security Systems in Bethlehem & Easton, PA

When your business in Easton and Bethlehem needs top business security systems, Keystone Fire & Security stands among the top security companies. We offer corporate security systems and commercial security systems that are effective in preventing breaches of your property.

Contact Keystone & Security to learn about our corporate security systems, commercial security systems, and business security systems. When your business needs business security system installation, Keystone Fire and Security can help. Call us today. The security of your business depends on it!



From simple standalone door controllers to fully integrated enterprise solutions, Keystone’s access control systems are designed to provide maximum security, minimum total cost of ownership, and scalability to meet future needs.



Our video surveillance solutions provide proactive threat deterrence, as well as real-time intelligence and analytics. Our advanced video analytics systems capture clear images and perform complex decision making. From providing access for authorized personnel, to raising a parking gate, to recognizing contaminants in a production process, these systems are your eyes when you can’t be there.



Our perimeter and intrusion detection technologies are designed to provide proactive security for occupants and property.  From fence sensors, surveillance cameras, laser and infrared motion detectors to door contact closures and glass break sensors, we deploy state-of-the-art technology based on proven system design methodology, then provide 24/7/365 monitoring services.



We offer mobile, fixed, and cloud AutoVu License Plate Recognition (ALPR) systems from Genetec, which are ideal for parking authorities, universities, law enforcement, municipalities, and commercial organizations. ALPR increases parking compliance and efficiency and aids in apprehending suspects, and recovering stolen vehicles.



Security in correctional environments requires specialized solutions.  Keystone can provide a state-of-the-art system, which integrates all aspects of physical security, into a single, centralized control platform.  Our technology offers an easy-to-operate, flexible, robust, and fully scalable approach for detention and correctional applications. 



Today’s manufacturing environment is complex and poses a number of potential security risks. It also requires careful attention to health and safety guidelines. Our video process monitoring systems play a valuable role in protecting critical access points, verifying delivery of materials, and recording plant processes and personnel.

Industries Served


Commercial Kitchens

Education & Large Venue


Property Management


General Contractors


High-Value Assets

Energy & Utilities

Houses of Worship

Parking Enforcement


Law Enforcement

Correctional Facilities


Let Keystone help with an on-site, free consultation of your security, life safety, or communication system.  Our team of experts will work with you to assess your vulnerabilities and provide recommendations to maximize return on your investment.

Contact us and we’ll GET TO WORK