GL Kreiner, Inc.
GL Kreiner, Inc.


Your Fire and Security Solution


We are proud to protect YOU.

Located in South-Central Pennsylvania, 10 mins from Interstate 83, GL Kreiner,Inc. represents customers in Central PA and Maryland . Our company specializes in Alarm Contracting for Fire Alarms and Security Systems.  Whether you are in need of an install of Industrial Warehouse to SCIFs, we will not only protect YOU and what you create, but we will do it at an affordable cost. We bring extensive experience and professionalism to every customer and we customize our service to your individual needs and concerns.

Get in touch with us to set up an appointment to further discuss your alarm and security needs, or use the contact form at the bottom of this page to inquire whether our services are right for you




19 Starlite Drive

Spring Grove, PA 17362




Fire Alarm & Maryland: (443)821-6397


We are the solution you are looking for.

Security Systems

GLK provides security alarms for residential and commercial properties to protect against burglary or property damage, as well as personal protection against intruders. GLK prides ourselves on taking the time to get to know your individual business operations, expectations,and assess your possible security risks.

Fire Alarm Systems

Protect your employees and business from fires. GLK Installs, Services and Inspects your fire systems. NICET certified technicians are ready to ensure the functionality of your system. Now with the ability to provide a wireless fire alarm system provided by the CWSI brand. GLK is the solution to bringing outdated systems up to code for historical buildings, multi family homes, and much much more. All with minimal down time to your business.

GL Kreiner, Inc is proud to announce our partnership with Potter Electric Signal Company. A proud provided of fire sprinkler, fire alarm and security parts and panels. Together we will provide quality service, workmanship and products that protect lives and investments all over.



Whether you are in need of large high rise, industrial, or commercial installs to retail and tenants space projects; life safety and asset protection are essential parts of your business plan. GLK has your fire protection and security solutions. We are here to assist YOU.

Access Control & CCTV

Do you know who is entering and exiting your business or home? Do you want to know? GLK access control and cameras gives you that ability. Now partnered with Milestone and Gallagher, get the best quality of access and camera system with higher encryption security, interactive software developed to your companies specifications.


Fire design

Need a personalized fire system designed to match your business and follow the most current NFPA 72 and IBC standards. GLK has your back. With a design team and NICET III stamp of approval we will provide a fire design that will have you compliant with the Fire Marshals in your area. Beautifully presented on CAD software, and ready to be submitted to your local AHJ. We design and install. GLK does it all.


An ounce of prevention is worth more than a pound of the cure
— Benjamin Franklin


Let's Chat.

Use the form below to contact us regarding your alarm and security inquiry. Please be as detailed as possible. Include your industry along with any specific document requests. To help us best service your inquiry, we recommend that you first describe the issue you’re having before telling us what you want to achieve. You may also email or call us to make an appointment.

For job opportunities, please email us your resume. We’re always looking for new and exceptional talent to lead.

Name *
Please do not include confidential or sensitive information in your message.