| Steel fabricators Steel fabricatorsW & W Engineering, LLC, Greeneville, Tennessee W&W Engineering, LLC 800 W. Andrew Johnson Suite 2 Greeneville, Tennessee Phone: (423) 638-2770 Fax: (423) 638-8615 W & W Engineering, LLC, is a consulting engineering firm specializing in water and wastewater engineering. The three principals of the firm are Cathy S. Walden, PE; David L. Wykle, PE; and Timothy L. Teague. With almost 50 years of combined experience in the firm's.. |