RPA was established as Ritoch-Herz-Powell Consulting Engineers, Inc. in 1978 by John Ritoch, PE; RLS, Bob Herz, PE; and Richard Powell, PE, RLS.
In August of 1980, Ritoch-Powell & Associates (RPA) was incorporated by the two remaining owners (John and Richard). In 2004, Karl Obergh, PE, joined RPA as a Managing Principal. Since our inception, we have grown from a 7-person firm to the 50+ corporation we are today. RPA has built an impeccable reputation of providing quality services from our highly sought after registered professionals and skilled technical staff.
