GTL is a fully accredited third-party testing laboratory providing Regulatory Compliance testing and are committed to providing sustaining support and superior customer service to all clientele, large and small.

Our skilled engineering staff has over 40 years of combined compliance testing experience to serve you. We understand the importance of gaining your necessary approvals in a timely and cost-effective manner and take great pride in our reputation of providing a fast turnaround time.

We are located in Knoxville, Tennessee.