Niemeyer & Associates P.C. About Us History Niemeyer & Associates, P. C. (N&A) is a full service railroad engineering firm founded in 1989 by Ted Niemeyer after his departure from... States and incorporated N&A in the State of Wyoming in 1994. N&A provides engineering and railway industry related services to numerous clients including railroads and transit companies... railroad and operates using the services of mostly former railroaders. N&A's associates come from varying backgrounds, most of whom have railroad engineering department backgrounds...