Thomasson Commissioning Services


Thomasson Commissioning Services, LLC (TCS) is an employee-owned firm providing commissioning of HVAC/mechanical, electrical, lighting, plumbing, fire protection and telecommunication systems.  We are a member of the AABC Commissioning Group (ACG) and specialize in LEED® Fundamental and Enhanced Commissioning.  Our professionals hold LEED® (Leadership in Energy and Environmental Design) Accreditations and ACG Certifications.


We are committed to providing competitively priced, timely and quality commissioning services in a professional manner that exceeds our client’s expectations.  Each team member has the experience to perform the assigned tasks and the empowerment to make the decisions necessary to fulfill the firm’s obligations.

Capabilities and Experience

The capabilities of TCS are exemplified in the diversity of our completed commissioning projects.  The TCS staff has commissioned systems in the healthcare, commercial, institutional and federal markets.  The TCS commissioning professionals are professional engineers involved in the planning, design, construction and operational phases.

Our Clients

TCS commissions projects throughout the United States for healthcare, commercial, hospitality, recreation, education, institutional and industrial clients.  We’re proud that most of our clients are repeat clients.  We’re proud of our contributions and value our mutually beneficial relationships.  We strive to be recognized as an integral member of our client’s team and an extension of their staff.  We also welcome the opportunity to foster relationships with new clients.