Alarm System Installation & Monitoring
Crossley Media Group is a local alarm company and security company serving Williamsport, PA and the surrounding North-Central Pennsylvania region, as well as parts of Upstate New York. We provide professional alarm system installation, security system upgrades, and 24/7 alarm monitoring for homes, businesses, farms, schools, and organizations.
If you’re searching for a reliable alarm company near you, our locally supported security systems provide modern protection, fast service, and dependable monitoring you can trust.
Whether you need burglar alarms, fire alarm monitoring, or a fully integrated smart security system, our professionally installed systems deliver long-term protection backed by experienced technicians and local support.
All of our systems include:
24/7 professional monitoring through a UL-Certified central station
Cellular-based communication — no landline required
Fully remote system management via smartphone or computer
3-year equipment warranty
Local installation, service, and ongoing support
Our goal as a Local Pennsylvania-based security company is simple: Provide clean, professional installations and long-term reliability that protects your property and gives you peace of mind.
- Burglar / intruder
- Smoke and Fire
- Carbon Monoxide
- Water and freeze
- Door Lock integration
- Thermostat Integration
Alarm Monitoring Made Simple
Security doesn’t have to be complicated. After installation, we guide you through:
System operation
App setup
User management
Real-time notifications
Ongoing support and maintenance
Once your system is online, you’ll have full access to your alarm system, alerts, and event history from anywhere using your smartphone or computer.
Already have an alarm system? View our Alarm Takeover Services
Get in touch
We’re here to help! Send us a message and we will respond as soon as possible.
Frequently Asked Questions
Alarm Installation Services
What is your Service Area, and do you offer alarm monitoring near me?
We provide alarm monitoring and system installation services throughout North-Central Pennsylvania and the Finger Lakes region of New York, including Williamsport, Lewisburg, Ithaca, Penn Yan, and Hammondsport.
What brands do you install & Service
We currently install, service and support Honeywell, DSC, Qolsys/IQ and NAPCO products. This includes but not limited to:
Honeywell Vista, Honeywell ProSeries, Silent Knight, Firelite, DSC PowerSeries Neo, IQ4 & IQ5, NAPCO StarLink, Gemini, and more!
Serving Central Pennsylvania & Upstate New York
Crossley Media Group installs and monitors alarm systems throughout:
Williamsport, PA
South Williamsport, PA
Montoursville, PA
Lewisburg, PA
Selinsgrove, PA
Bloomsburg, PA
Lycoming County, Clinton County, and surrounding communities
As well as :
Auburn, NY
Hammondsport, NY
Ithaca, NY
Penn Yan, NY
Steuben County, Yates County
If you’re looking for reliable alarm monitoring in the Williamsport, North-Central PA or Upstate New York areas, Crossley Media Group delivers local service, modern technology, and dependable protection you can trust.
Add Visual Verification with Security Cameras
Alarm systems provide instant alerts—but security camera installation adds visual confirmation, recorded evidence, and real-time visibility when it matters most. Crossley Media Group designs and installs professional video surveillance systems that integrate seamlessly with your alarm system.
Security Camera Installation
Our security cameras allow you to:
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View live and recorded video remotely
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Verify alarm events in real time
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Deter theft and unauthorized access
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Maintain video evidence for incidents or investigations
We install NDAA-compliant security camera systems for homes and businesses throughout Williamsport, Lewisburg, North-Central PA, and the Finger Lakes region of New York—with local support and long-term reliability.
