Langan Engineering and Environmental Services opened an office in Las Vegas, where the firm has been providing engineering consulting services since 1998.

Floyd Browne Group expanded its presence in Northeast Ohio by opening an office in Cleveland. Richard J. Lesiecki, P.E., joined the firm as group leader for the new location.

Wood Rodgers, Inc., with eight offices in Northern California and Nevada, opened its new Las Vegas location.

Woodard & Curran opened an office in Duluth, Ga., to serve the metro Atlanta area. It is the fourth office the firm has opened during the last five years, and the tenth since 1979.