Paoli, PA – May 28, 2026 – Zeus Fire and Security (Zeus), a portfolio company of Baltimore-based Access Holdings, today announced its acquisition of PM Alarms, LLC (PM Alarms), a trusted provider of fire alarm, security, access control, and video solutions serving Chattanooga and Southeast Tennessee since 1961. PM Alarms will join forces with Zeus partner Gallaher & Associates (Gallaher) to further the Zeus mission of protecting People, Property, and Profits and expand Zeus’s presence across Tennessee.
Founded in 1961, PM Alarms has built a six-decade reputation for fast, reliable, and locally responsive service. Licensed in both Tennessee and Georgia, the company specializes in commercial fire alarm systems, intrusion security, access control, video solutions and video monitoring. Their commitment to prompt customer support and hands-on service has made them a trusted name in the region.
“The addition of PM Alarms marks another exciting step forward for Zeus and Gallaher as we continue to strengthen our presence in Tennessee. PM Alarms’ strong reputation, technical expertise, and customer-first approach align perfectly with Gallaher’s culture and our mission to protect People, Property, and Profits. Together, we’re building a stronger network of local leaders who deliver exceptional service backed by the scale and innovation of the Zeus platform.” — Brandon Ramsey, President and Chief Operating Officer, Zeus Fire and Security
As part of the Zeus platform, PM Alarms customers will have access to an expanded portfolio of fire protection and security services, backed by Zeus’s enhanced monitoring capabilities and a national support network. PM Alarms employees will gain access to career development resources, training programs, and the collaborative culture that has made Zeus a destination employer across the fire and security industry.
“We’re excited to welcome PM Alarms into the Gallaher and Zeus family. For over 60 years, PM Alarms has delivered the kind of reliable local service that our customers expect and our communities deserve.
This partnership allows us to combine our shared commitment to excellence with expanded resources, giving customers access to a broader set of capabilities and the assurance that comes with being served by a company with deep local roots and the resources of a national leader.” — Max Thomas, President, Gallaher & Associates
Stephen Castello, owner of PM Alarms, will remain involved through the transition to ensure continuity of service for existing customers and a seamless integration for the PM Alarms team.
“Joining Gallaher and Zeus is the right next step for PM Alarms, our customers, and our team. Zeus and Gallaher share our values, our commitment to doing things the right way, and our dedication to the people we protect. Our customers will continue to be served by the same people they know, with even more tools and support behind them.”— Stephen Castello, Owner, PM Alarms, LLC
About Zeus Fire and Security
Zeus Fire and Security was established in 2022 to build a national network of fire protection and security providers recognized for execution excellence across a variety of service lines and end markets. Zeus addresses customers’ fire protection and security needs through a broad array of services from mission critical fire system installation, testing, and inspection to physical security system installation and video monitoring. Zeus was established with the purpose of partnering with industry-leading fire and security operators who are seeking a collaborative growth partner dedicated to inspiring and accelerating the long-term growth of business and team members. Zeus operates Alert Alarm and Security Resources Pacific of Hawaii, SMG Security of Illinois, national-account provider UAS, Independent Alarm of New Jersey, PASS Fire and Security of Missouri, Martin Systems of Wisconsin, Bayside Fire and Security and Absolute Security Group of Maryland, and Gallaher & Associates of Tennessee.
For more information, please visit www.zeusfireandsecurity.com.
About Gallaher & Associates
Founded in 1973, Gallaher & Associates is a premier life safety systems provider in the Southeast. Headquartered in Knoxville, Tennessee, Gallaher delivers innovative fire, security, communications, and technology solutions that protect people, property, and businesses. With locations across Tennessee, Gallaher has built a reputation for quality, reliability, and customer-first service. For more information, please visit www.gallahersafe.com.
About PM Alarms, LLC
Founded in 1961 and headquartered in Chattanooga, Tennessee, PM Alarms, LLC is a locally owned provider of residential and commercial fire alarm, security, access control, and camera solutions. Licensed in Tennessee and Georgia, PM Alarms serves customers across Chattanooga, Southeast Tennessee, and North Georgia with a commitment to fast local service, professional installation, and monitoring. For more information, please visit www.pmalarms.net.
About Access Holdings
Access Holdings Management Company LLC is a digitally enabled middle market investment firm headquartered in Baltimore, Maryland, with offices in New York, New York. Founded in 2013, Access Holdings provides high-quality, direct investment opportunities to create concentrated portfolios of essential service-based businesses in North America. Access has approximately $2.9 billion in assets under management. For more information, please visit www.accessholdings.com.
Media Contact
Sarah Sagin
VP Marketing and Communications
Zeus Fire and Security
Phone: 800-421-6661
Email: [email protected]
Website: www.ZeusFireandSecurity.com