> REGIONAL ENVIRONMENTAL DEMOLITION, INC. New York Since: 2009 REGIONAL ENVIRONMENTAL DEMOLITION, INC.
> SEVENSON ENVIRONMENTAL SERVICES OF PA., INC. New York Since: 1993 SEVENSON ENVIRONMENTAL SERVICES OF PA., INC.
> WASHINGTON MILLS ELECTRO MINERALS CORPORATION New York Since: 1986 WASHINGTON MILLS ELECTRO MINERALS CORPORATION
