Toltz, King, Duvall, Anderson and Associates, Inc.
Toltz, King, Duvall, Anderson and Associates, Inc. (TDKA) has made the following personnel changes. They are: Kevin R. Cullen, P.E., has been appointed director of the Highway and Bridge Department; Suyra R. Pidaparti, P.E., has been appointed director of the Environmental Department; Heidi Nustvold has joined the firm as the marketing product manager.