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50+ Years
experience
Emergency
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Your Trusted Electrical Contractor in Kennett Square, PA
Founded in 1964, The Tri-M Group has evolved from a small electrical contractor into a leading provider of integrated infrastructure solutions. As a 100% employee-owned company since 2016, we prioritize safety, innovation, and customer satisfaction across our core services: electrical construction, building automation systems, high-voltage solutions, energy analytics, and network infrastructure. With headquarters in Kennett Square, PA, and regional offices spanning Pennsylvania, Delaware, and Maryland, our team delivers 24/7 service to commercial, industrial, and institutional clients. Our ESOP structure reinforces our commitment to employee development and long-term client partnerships.

We leverage cutting-edge technologies like BIM and Schneider Electric's EcoStruxure platform to design, install, and maintain mission-critical systems. Recognized for our technical expertise in complex projects, we combine prefabrication efficiency with on-site precision to meet demanding schedules while maintaining rigorous safety standards. Our industry leadership is demonstrated through specialized certifications, including SkySpark Analytics VAR status and Schneider Electric EcoXpert BMS certification.
Services
Building Automation Electrical Construction Energy Analytics High Voltage Network Infrastructure Security Systems Customer Training 24/7 Service Prefabrication Pro-Nav
Details
  • Year established: 1964
Highlights and features
  • We offer 24/7 emergency electrical services with rapid response times
  • Our team holds specialized certifications in building automation systems
  • We implement patented prefabrication processes for project efficiency
  • 100% employee-owned structure ensures accountability and quality
  • Proven expertise in complex electrical systems for industrial facilities
Associations and certifications
  • Schneider Electric EcoXpert
  • SkySpark Analytics VAR
What people say
Exceeded expectations Technical expertise Rapid response times Safety focus Quality workmanship
Services
Building Automation
Our building automation solutions integrate HVAC, lighting, and security systems through customized control platforms. Using Schneider Electric's EcoStruxure technology, we create energy-efficient environments that reduce operational costs while maintaining occupant comfort. Our certified technicians provide installation, maintenance, and training to ensure optimal system performance.
Electrical Construction
We design and install complete electrical systems for commercial and industrial facilities, from utility connections to interior wiring. Our BIM-enabled prefabrication process ensures precision while meeting tight deadlines. Services include power distribution, panel fabrication, and renewable energy integration for projects of all scales.
Energy Analytics
Our energy analytics platform identifies system inefficiencies through real-time data monitoring. Using SkySpark software, we provide fault detection, energy benchmarking, and customized dashboards to reduce consumption. This service helps clients achieve sustainability goals while lowering utility costs through actionable insights.
High Voltage
We specialize in medium and high-voltage electrical systems (5kV-500kV) for substations and industrial facilities. Our certified linemen perform emergency repairs, cable splicing, and system upgrades while adhering to strict safety protocols. Services include transformer installation and storm recovery for continuous power reliability.
Network Infrastructure
Our network infrastructure services deliver scalable communication solutions for voice, data, and security systems. We install fiber optic and copper cabling to TIA standards, along with AV conferencing systems and mass notification solutions for multi-campus environments.
People
W. Thomas Musser
Founder
Electrical engineer and Navy veteran who founded Tri-M in 1964. Championed employee ownership and community service, leading the company's growth into a regional industry leader before passing in 2016.
Questions
What electrical services does Tri-M offer?
We provide complete electrical construction, high-voltage solutions, building automation systems, energy analytics, and 24/7 emergency repair services for commercial and industrial clients.
Do you provide emergency electrical services?
Yes, our 24/7 service team responds to emergency calls within hours, offering rapid solutions for power outages and system failures across our service areas.
How can I schedule electrical maintenance?
Contact our service line at 1-800-456-7782 to discuss flexible maintenance contracts tailored to your facility's specific needs and operational requirements.
Do you offer building automation training?
Yes, we provide hands-on training for EcoStruxure and Continuum systems with small class sizes to ensure personalized instruction for facility personnel.
What areas do you serve?
We serve Pennsylvania, Delaware, and Maryland with offices in Kennett Square, Lock Haven, Quakertown, Middletown, and Baltimore.
Are you an employee-owned company?
Yes, Tri-M transitioned to 100% employee ownership in 2016 through an ESOP, aligning our team's success with long-term client satisfaction and company growth.