Security Systems & Services in Saint Marys, PA

Comprehensive list of Saint Marys, Pennsylvania based companies offering installation, maintenance and repair of home and business security systems, CCTV & burglar alarms, guard and video surveillance services.

Business Listings

Great service is our main priority. We know that the greatest product on the planet can be reduced to junk if it is accompanied by poor service. That is why at ASI we take client service very seriously. We aim to ensure your experience with us is nothing short of exceptional. We analyze every clients situation with depth and care to detail.


Rothrocks Locksmith is a fully mobile locksmith delivering security service to each of Central Pennsylvania. As a fully bonded and insured firm, we can provide services to the domestic client as well as the industrial and commercial client. Rothrocks Locksmith offers 24 Hour Emergency services for your Auto, Home and Business.


We believe client service and satisfaction are the most important components of our firm. We provide the best quality equipment and installation while providing the lowest prices within the industry. In today's world, we know security is a priority and that's why we're in business. RID is dedicated to securing your home, business, buildings and other assets without hassle.



Kistler O'Brien can successfully handle all kinds of fire protection-from consultation to design, installation, maintenance, testing and inspections. Our experienced staff, use of innovative technology and genuine commitment to client service has founded us as a trusted source for fire protection services.


Altronics, locally owned & operated, has been the leading supplier of security systems in the Lehigh Valley for over 46 years. Our customers span the tri-state area and we currently have many national dealer network affiliations. We are the most technologically advanced security firm in the area and live by our philosophy that client satisfaction is a MUST!


IQ Network Systems is a complete service ISP and technology firm. We have been serving Central PA since 1997. We supply on site network and computer services for home and tiny business clients at highly competitive rates at our Osceola Mills store. We are providing membership plans with no late fees. Protect YOUR loved ones and YOUR investments. Peace of Mind Included at no extra cost.


Shadow Investigations is a Pennsylvania bonded, licensed and insured private detective agency. We invite you to take a few moments and see what sets us apart from most other investigative agencies. These few moments can prove to become invaluable in your case, your location, or for your firms bottom line.


We specialize in delivering installation and maintainance of quality Fire, Security, and Surveillance systems throughout the Lehigh Valley and surrounding region. We provide quality monitoring services at an affordable rate.