TLL Electrical Services is a Texas-based, Texas Registered and Licensed electrician and electrical contracting company based in Irving,TX.TLL Electrical Services specializes in both residential and commercial applications. No client request is too small OR too big for us to do it right the first time. Our intention to be your first and last call solution is based on a very simple position — The Golden Rule — treat our clients the same way we would want to be treatedairs Irving.