Nathan D. Maier Consulting Engineers, Inc. (NDM) is a full service Civil Engineering and a Texas Corporation. NDM is certified as a HUB (1751944112900) and by NCTRCA as a Woman-Owned Business Enterprise (WFWB28543N0924). NDM is also a TxDOT precertified firm (CCIS 706). NDM was founded in 1984 and has extensive experience in a variety of public and private projects.