Southern Chester County Chamber of Commerce
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Learn about The Tri-M Group
CORE VALUES
SAFETY
We provide a safe working environment for our employees, customers and stakeholders to ensure that, at the end of the day, everyone goes home safely.
HONESTY
We provide an environment of trust where honesty is valued in every communication and transaction between employees, customers and vendors.
INTEGRITY
We conduct our business with sound moral and ethical principles, cultivating trusting relationships with our employees, customers and vendors.
QUALITY
We provide our employees with the highest quality training and equipment. We provide the highest quality installations and service to our customers.
COMMUNITY / STEWARDSHIP
We invest in our employees, our company, our customers, as well as investing in the communities in which we work and live.
HISTORY
The Tri-M Group, LLC was founded in 1964 by two brothers, Tom & Dick Musser, it has grown from a very small local, industrial and commercial electrical contractor to one of the region’s largest merit shop contractors. Through the decades, Tri-M recognized the growing and changing services needed by our customers; therefore, Tri-M has a very diversified service offering.

In 2002, Tom Musser, Chairman and Jim Horn, CEO/President became joint owners in the Tri-M Group. Tri-M celebrated its 50th anniversary in 2014 – a true milestone in the construction industry. From its inception, Tri-M has been dedicated to excellence in every aspect of our business, starting with the treatment of our employees and carried on through to our customers, vendors, and in the communities in which we work and live. To ensure Tri-M’s future, the ownership was expanded in 2016 by adding Executive Vice Presidents, Ron Bauguess and Chris Peirson as partners. While expanding our services; Tri-M has never lost sight of our founders’ drive to provide opportunities for employees and build long term relationships with our customers.
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LEARN MORE

Learn about Careers and Apprenticeships at Tri-M
REGISTERED APPRENTICESHIPS
Apprentices experience a blended learning environment that includes classroom and hands on training. Along with very robust classroom instruction, the students are also required to participate in two additional components of the program: related training and instruction (RTI) and on-the-job training (OJT). Each program runs for four years; each year students must complete 240 hours of classroom training, in addition to 8,000 hours of on-the-job training.
Registered Programs:
  • Electrical Apprentice
  • Building Automation Systems Apprentice
  • State Certified Merit Training School for High Voltage Linemen in the Commonwealth of Pennsylvania
LEARN MORE ABOUT CAREERS AND APPRENTICESHIPS AT THE TRI-M GROUP
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​THE TRI-M GROUP TRANSITIONS TO EMPLOYEE STOCK OWNERSHIP PLAN (ESOP)Author: Kathy Ervine
2/24/2022  |  Read Time: 2min
The Tri-M Group Transitions to Employee Stock Ownership Plan (ESOP)
tri-mgroup.com/kathy-ervine/
VIEW THE LEADERSHIP TEAM AT THE TRI-M GROUP
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206 Gale Lane
Kennett Square, PA 19348
610-444-1000
tri-mgroup.com/
Copyright Southern Chester County Chamber of Commerce.
All Rights Reserved.
 2021

8 Federal Road  | Suite 1,  West Grove, PA 19390
Phone: (610) 444-0774 | info@scccc.com  | sitemap
MemberClicks
  • About Us
    • BOARD OF DIRECTORS >
      • MEET OUR LEADERSHIP
      • Chairman's Welcome
    • STAFF >
      • Your Chamber Team
      • President's Welcome
    • COMMITTEES & GROUPS >
      • ABOUT
      • COMMITTEES >
        • Communications Committee
        • Community and Government Relations Committee
        • Membership Committee
        • SCC Young Business Leaders
        • Ambassadors Committee
      • Referral Groups >
        • SCCCC G.R.O.W.
        • SCCCC BizNet
        • SCCCC CONNECTIONS
    • History
    • Contact
  • Business Directory
  • MEMBERSHIP
    • About
    • Member Benefits >
      • SCC Young Business Leaders
      • Affinity Programs
      • Coupons
      • JOB BOARD
    • Membership Application
  • Why Join?
  • Events & Programs
    • Annual Chairman's Gala
    • Inspirational Breakfast
    • Scholarship Golf Tournament
    • Annual Fall Luncheon
    • NETWORK AT NOON! LUNCHEON
    • Professional Development & Education
    • Chamber Calendar
    • Community Calendar
  • IN THE NEWS
    • SCCCC IN THE NEWS
    • Member News
    • Press Releases
    • Southern Chester County CONNECTIONS
    • The Reporter
  • Your Chamber At Work
    • Scholarship Program
    • COVID-19 >
      • RESTORE CHESTER COUNTY
      • PPP Round Two
      • RESOURCES
    • ADVOCACY >
      • ABOUT
      • Mushroom/AG Labor Crisis Task Force
    • Route 1 Economic Development Initiative >
      • About Us
      • Why Here?
      • Steering Committee & Members
      • Site Selection Opportunities
      • Contact
    • Pennsylvania Free Enterprise Week
  • CIRCLE OF CHAMPIONS
    • ABOUT
    • Diamond Circle Partner >
      • Constellation Energy
    • Platinum Circle Partner >
      • Longwood Gardens
    • Gold Circle Partners >
      • Ironlinx
      • Kendal-Crosslands
      • Qnectus
      • The Tri-M Group
      • WSFS Bank
    • SILVER CIRCLE PARTNERS
    • Bronze Circle Partners
  • Blog
  • JOB BOARD
  • Member Portal