GKA, LLC Consulting Engineers, Designers and Planners GKA, LLC (formerly Engineering Technology, Inc.) is a professional engineering services firm founded in North Charleston, South Carolina in 1981 and relocated to 1025 West 5th North Street, Summerville, South Carolina, in 1992. Lewis Gresham, P.E. is the principal and owner of GKA, LLC and has more than 30 years of experience in the engineering industry. GKA offers a broad range of professional services and has some unique qualities and capabilities which include: A seasoned team experienced in managing large & small multi-discipline projects. A highly capable staff of Engineers and Administrators. A "hands on" knowledge of facility design, operation, and maintenance. Our Engineers are proficient in the use and application of the latest versions Microsoft Windows, Word, Excel, CSI Spectext construction specifications and AutoCad's computer aided design and drafting software. GKA, LLC's staff of engineers interact as a team so that each client’s requirements are approached analytically, critically, and creatively. We take pride in our ability to engineer systems that can be constructed utilizing standard materials and methods, and designed with operation and maintenance in mind.