AVCON Railings, a manufacturer of structural thermoplastic railing systems based in Lakewood, N.J., has acquired Benchmark Industries of El Dorado, Ark., and its Perma-Rail railing line.

General Growth Properties of Chicago, which is owner and manager of the South Street Seaport retail complex in Lower Manhattan, has opened a New York office.

Edwards and Kelcey, an engineering, design, planning, and construction management firm based in Morristown, N.J., has acquired the transit planning and operations consulting division of KKO and Associates of Andover, Mass.

Brown Raysman Millstein Felder & Steiner, a law firm based in New York, has hired 15 construction law attorneys from New York-based Ross & Cohen.

Syska Hennessy Group, a consulting engineering firm based in New York, has acquired New York's Caretsky & Associates Consulting Engineers. <<