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Our Mission

To be the preferred employer of a highly skilled and trained workforce. We strive to exceed all expectations by professionally designing, installing and maintaining electrical technology and network service in partnership with our customers.

Ownership Philosophy

The philosophies which have allowed us success, growth, profitability and have helped us build an enviable reputation will remain unchanged as we continue into the future.  These philosophies are outlined below:

Human Resources

Employees are the greatest asset of our company.  We will therefore continue to:

  1. Provide and enforce a safety and wellness process that will protect the health and welfare of all personnel.
  2. Treat them with respect, dignity and consideration.
  3. Apply the merit system of compensation and promotion in the fairest and most equitable manner that we can devise.
  4. Provide the most extensive benefit package possible and still remain competitive.
  5. Provide an extensive training program that will allow each person an opportunity to achieve their career goals.
  6. Provide an appropriate employee recognition process that will recognize exceptional personal contributions and career achievements.
  7. Strive to provide an environment that will stimulate personal motivation and achievement.
  8. Empower employees to make decisions that positively affect their jobs and the welfare of the corporation.
  9. Provide an environment that fosters and encourages team building

Business Philosophies

We intend to remain in business indefinitely thus we will never condone any action or decision that promotes short-term gains at the expense of long-term relationships.

We will never compromise the honesty, integrity and ideals of our personnel or our company.

We believe that quality of design and installation is a sound investment thus we will always give the highest quality installations and service commensurate with the price paid and will never perform work or give a service that is substandard.

We are dedicated to the principles that allow individuals the freedom to chart their own destiny and allow them the freedom to achieve their personal goals through the efforts that are compatible with our dedication to the merit shop philosophy and the free enterprise system.

We will continue our quest to provide our customers with the highest quality services that we provide for a price that is cost effective for them and profitable for us.

We recognize the importance of our suppliers and will always strive to foster and maintain a mutually beneficial relationship with them, built on trust and honesty.

Continue to strengthen our relationship with our financial institutions and bonding company.

Executive Management Biographies

W. Thomas Musser, Chairman of the Board: After majoring in Electrical Engineering at the University of Florida and serving his country in the United States Navy, Tom returned to Pennsylvania and along with his brother, founded Tri-M Electrical. Early on, Tom bought out his brother and set out to grow his business into one of the leading Electrical and Building Automations Contractors in the eastern U.S.

After 34 years of expanding his company and achieving his goals, Tom sold Tri-M to what became at the time, the largest specialty contracting organization in the country, Encompass Services, Inc. Within a few years, he took the lead in buying his creation back, and serving as its Chairman.

Tom has been able to see his vision come true through his dedication to quality and to customer satisfaction as well as his steadfast loyalty to employees and his efforts to enable them to achieve their goals.

Tom has held a number of executive positions with the Associated Builders and Contractors, including National Chairman, the Chamber of Commerce and other business and service organizations. He currently serves as the Chairman of the National Federation of Independent Businesses, and was also recently appointed to the Department of Defense’s Advisory Board for Employer Support of the National Guard and Reserve.

James T. Horn, President and Chief Executive Officer: Jim started his career as a marine electrician at Sun Ship Building and Dry-dock Co., where he learned drafting and design during his tenure there. After a brief term with a marine consulting firm, Jim joined Tri-M Electrical, as a designer/estimator. He quickly rose through the ranks by demonstrating a management and leadership style that enabled employees to flourish and exceed the expectations of customers, eventually being named as President of the construction division.

After the sale of Tri-M to Encompass, Jim remained as its President/CEO, until founding his own firm, Twin Valley Electrical Construction. When the call of Tri-M returned, Jim also returned, and participated in the repurchase of the company he contributed to growing, so successfully. He now serves as the President and CEO of the parent company, The Tri-M Group, LLC.

Jim has served as the President of the Southeastern Pennsylvania Chapter of the Associated Builders and Contractors and currently sits on its Board of Directors. He is a member of numerous civic organizations, such as Rotary and the Chamber of Commerce, and has contributed his services to a variety of charitable groups and events like the Relay for Life, sponsored by the American Cancer Society.

Richard E. Lindsey, Vice President/General Manager: Rich began his career as an apprentice electrician with Tri-M in the early 1980’s. Within a few years he had progressed to Journeyman electrician and soon after that promoted to Foreperson; managing a series of high profile and complicated projects for Tri-M. In 1990, Rich agreed to relocate to the Allentown area to help build the business in that market, eventually becoming the General Manager, a position he holds today.

Christopher M. Peirson, Vice President/General Manager: Chris began his career with Tri-M in 1989 as an engineering co-op in the BAS division.  Upon earning his Bachelor of Science Degree in Mechanical Engineering from Penn State in 1993 he joined Tri-M as a full time assistant project engineer.  He progressed through the engineering department to a senior project engineer position providing turn-key engineering for some of the division’s largest customers and projects.  In 2002 Chris was promoted to Systems Operations Manager where he was responsible for overseeing engineering, project management, installation and commissioning on all BAS projects.  He has since been promoted to the Vice President of the Building Automation Systems Division, overseeing sales, operations and service for both the Building Automation Systems business and the Security and Life Safety business.
Paul R. Langan, Director of Business Development: After spending his early years installing reinforcing steel on many projects in the New York area and upon graduating from Rutgers College, Paul started his professional career with the building products division of Armstrong World Industries. He then spent many years in different management capacities with several specialty contracting organizations in the Pennsylvania and New Jersey markets. Prior to joining The Tri-M Group, Mr. Langan served the Irex Corporation of Lancaster, Pa for fifteen years in a number of executive management positions.
Michael C. Riley, Vice President/General Manager: Upon earning his Bachelor of Science Degree in Electrical Engineering from Penn State in 1981, Mike began his construction career as an estimator and project manager with E.C. Ernst, working in Texas and the Philadelphia area. He then spent time as a project manager with the Maron Electric and the Coastal Group before joining Tri-M as a Senior Project Manager in 1987. He has since been promoted to the position of Vice President of the Kennett Square Electrical Construction Division, overseeing not only the construction team, but the high voltage, critical power and testing units as well.

Robert Gose, Vice President/Chief Financial Officer: A Certified Public Accountant with a degree from Villanova University, Bob spent over 20 years as a CFO for several top engineering and contracting organizations in the Philadelphia area before joining The Tri-M Group in 2002. In addition to his duties as CFO, Bob also serves as the corporation’s Director of Risk Management, overseeing all insurance and bonding activities.

Mary Evelyn McGann, Director of Human Resources: Mary Ev began her career with Tri-M in 1989 in a safety support position focusing on safety compliance and wellness promotion. She progressed in her role, eventually becoming Safety, Health and Training Manager, and serving in this capacity until her recent promotion to the position of HR Director, where she manages all the functions of the company’s Human Resources and Safety Departments. She is a graduate of the Pennsylvania State University and has her PHR certification from the Society for Human Resources Management.

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