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25+

Years In Security

1000+

Local Employees

134,000+

Subscribers

For over 125 years, Comporium has been a telecommunications leader in the Carolinas with our diverse, technologically rich suite of products and services. Headquartered in Rock Hill, S.C., Comporium provides services in York, Lancaster, and Chester Counties in Upstate South Carolina; parts of six counties in the Midlands: Lexington, Saluda, Edgefield, Orangeburg, Calhoun and Aiken; and Transylvania County, N.C. Additionally, Comporium offers a comprehensive suite of business communications equipment and service options in Charlotte, N.C and Spartanburg, S.C., plus residential services in Charlotte and Union County, N.C.

Comporium Central Monitoring Station

Peace of mind is a big part of choosing a home security provider and we know that. Comporium's Central Monitoring Station is based in Rock Hill, SC and staffed locally by people who are also our customers.  We take pride in making sure that you can rest easy with Comporium.

UL Certified

Our Central Monitoring Station is consistently being tested in a variety of areas. Its UL certification indicates it meets nationally recognized safety standards.

TMA 5 Diamond Certified

This annual designation is granted to the monitoring stations that exhibit an exemplary commitment to customer service, performance and employee education.

Fully Redundant

We offer full redundancy on all of our systems 100% of the time, which provides you and your family the safety and security you expect.

Comporium Is Community

Community involvement is a fundamental part of who we are. At Comporium, we’re always looking for ways to make a difference to the people we serve. Our employees don’t just provide service to the towns in our service areas; they live there, too. We believe we all have a responsibility to make the places we call home better.

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Our History

Comporium, known then as the Rock Hill Telephone Company, was founded in 1894 by John Anderson, John Cherry, and Andrew Smith. During the first year, the company installed 27 phone lines, most of them connecting the businesses and suppliers of the company’s founders. During the next two decades, Paul Workman and his aunt grew the company to 443 phones before ultimately selling the company to E.L. and Mary Sanders Barnes on Mar. 10, 1912.

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Comporium Security has partnered with Alarm.com making our platform one of the leading interactive home security systems on the market. Comporium Security offers an array of security and home automation features, along with a variety of service packages designed to meet your specific needs.

Nationwide Protection

Alarm.com's industry leading security and automation services are the backbone for millions of security and automations systems across the country.

20+ Years of Development

With over 20 years of development and advancement, Alarm.com is a proven and reliable provider of home security and automation products.

*Control everything from locks and lights to security systems and thermostats.

*Powerful and easy to use.

*One application, dozens of ways to control, monitor, or protect your home.

TESTIMONIALS

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