Communication Systems Integrators, LLC - CSi

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Communication Systems Integrators, LLC - CSi Visit www.comsysinc.com to see how we can help secure your people and property. We service Pennsylvania, New Jersey and Delaware.

Intelligent commercial security, life safety, audio visual, and communications systems for your business, school, healthcare or manufacturing facility, and more. A Pye-Barker Fire & Safety Company, Keystone offers a full range of fire protection services and life safety solutions including fire sprinkler inspection, fire alarm testing, fire extinguisher maintenance, and fire suppression system installation. Whether we're designing, testing or servicing your fire protection system, we make the process easy. We recognize that understanding fire protection can be difficult, so our goal is to be empathetic to your position, making the process as painless for you as possible. We do this through our customer-first approach. Our Client Connect Web Portal and Life Safety Lifeline web chat are just two ways we make Life Safety Simple

10/25/2026

It’s almost go time in Talladega

Five stars for service that makes a difference! ⭐⭐⭐⭐⭐Our team recently received a great review that highlighted their qu...
10/20/2026

Five stars for service that makes a difference! ⭐⭐⭐⭐⭐

Our team recently received a great review that highlighted their quick response, outstanding work and accommodating service.

Thank you to Suzanne, Joshua and the entire team for taking care of our customers and representing Pye-Barker with pride!

Protecting our communities goes beyond the job site. Our Salt Lake City and Ogden, Utah, teams recently rolled up their ...
10/15/2026

Protecting our communities goes beyond the job site. Our Salt Lake City and Ogden, Utah, teams recently rolled up their sleeves for a blood drive with the American Red Cross, helping save lives through blood donation.

Their efforts are part of our 2026 community service challenge in honor of our 80th anniversary. Thank you to everyone who gave their time and donated!

Want to join a team that cares? Learn more here: https://careers.pyebarkerfs.com/us/en

Fire prevention takes people who show up, pay attention to the details and take pride in getting the job done right.This...
10/08/2026

Fire prevention takes people who show up, pay attention to the details and take pride in getting the job done right.

This Fire Prevention Week, we’re thanking the Pye-Barker technicians who inspect, install and maintain the systems that help protect our communities. Your work makes a difference every day, and we’re proud to have you on our team.

It's and this year's NFPA focus is lithium-ion batteries.Commercial property managers and their staff need to be aware...
10/05/2026

It's and this year's NFPA focus is lithium-ion batteries.

Commercial property managers and their staff need to be aware of the fire risks associated with lithium-ion batteries, used for things like server backup systems, forklifts, and even personal property tenants and employees bring inside.

Prepare yourself with our tips: https://www.prnewswire.com/news-releases/pye-barker-fire--safety-marks-fire-prevention-week-with-lithium-ion-battery-guidance-for-commercial-facilities-302898109.html

10/04/2026

First pit stop of the day! JH says he needs more front grip

10/04/2026

Who’s ready for race day in Las Vegas Motor Speedway 🥳

October is Employee Ownership Month! At Pye-Barker, we believe in the power of our people to build a successful business...
10/01/2026

October is Employee Ownership Month! At Pye-Barker, we believe in the power of our people to build a successful business, protect our communities and care for one another. We’re committed to strengthening an ownership culture where everyone can thrive.

Every service call, inspection, installation and idea contributes to our collective success. That’s what it means to be ALL In — on our people, our purpose and growing together.

We love when our customers call out excellent customer service 🙌 We strive to provide reliable, professional service at ...
09/24/2026

We love when our customers call out excellent customer service 🙌

We strive to provide reliable, professional service at all of our branches throughout the country. Thank you for recognizing Kevin's thorough communication during your installation, Gwen!

09/19/2026

Lap 18 for KB

We'll be cheering! and the truck race at the NASCAR Camping World Truck Series at Charlotte this weekend.
05/27/2022

We'll be cheering! and the truck race at the NASCAR Camping World Truck Series at Charlotte this weekend.

Forget the . Turn that Monday frown upside down! It's a new week! Follow our new social media pages @ Keystone Fire and...
08/02/2021

Forget the . Turn that Monday frown upside down! It's a new week!

Follow our new social media pages @ Keystone Fire and Security.
Get your fire protection and security fix here: keystonefire.com

Feeling good on this Friday afternoon? Feel GREAT when you apply for a job at Keystone Fire and Security! So many openin...
07/30/2021

Feeling good on this Friday afternoon? Feel GREAT when you apply for a job at Keystone Fire and Security!

So many openings to choose from, where do you begin? Right here: https://www.keystonefire.com/careers/

Who's ready for another great week? Just a reminder to keep up with us on our new social media pages. All you have to do...
07/26/2021

Who's ready for another great week? Just a reminder to keep up with us on our new social media pages. All you have to do is search for "Keystone Fire and Security" then like & follow! Check out our website too: keystonefire.com

We're experts at fire protection & security, and we're experts at making hard work fun! Our team is full of professional...
07/19/2021

We're experts at fire protection & security, and we're experts at making hard work fun! Our team is full of professionals with great personalities, making every day - even Mondays - enjoyable.

Don't forget to check out our new website! keystonefire.com

Just your Monday morning reminder you can handle whatever this week throws at you! And don't forget to follow us on our ...
07/12/2021

Just your Monday morning reminder you can handle whatever this week throws at you! And don't forget to follow us on our new company social media channels & website!

keystonefire.com connects you with your local fire protection & security professionals!

Our offices are closed, but we are always available for emergency fire protection and security service! Should you need ...
07/05/2021

Our offices are closed, but we are always available for emergency fire protection and security service! Should you need immediate repair or assistance with your life safety systems, please call 888-641-0100 and we will dispatch a technician promptly!
keystonefire.com

Happy 4th of July! A reminder to follow us on our new page Keystone Fire Protection for the latest updates about our bu...
07/04/2021

Happy 4th of July! A reminder to follow us on our new page Keystone Fire Protection for the latest updates about our business and the security industry. Learn more at keystonefire.com

IndependenceDay

Join the Keystone Fire and Security team today! We have a variety of positions open for aspiring life safety specialists...
07/02/2021

Join the Keystone Fire and Security team today! We have a variety of positions open for aspiring life safety specialists - from administrative work to fire protection and security, there's a home for you at KF&S!

Apply now at https://keystone-fire-protection-co.breezy.hr/

Address

4670 Schantz Road
Allentown, PA
18104

Opening Hours

Monday 7:30am - 4:30pm
Tuesday 7:30am - 4:30pm
Wednesday 7:30am - 4:30pm
Thursday 7:30am - 4:30pm
Friday 7:30am - 4:30pm

Telephone

+16104391600

Website

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