> ESCHEN PROSTHETIC & ORTHOTIC LABORATORIES, INC. New York Since: 1971 ESCHEN PROSTHETIC & ORTHOTIC LABORATORIES, INC.
> NATIONAL ARTISTS MANAGEMENT COMPANY, INC. New York Since: 1968 NATIONAL ARTISTS MANAGEMENT COMPANY, INC.
> GOLDMAN COPELAND ASSOCIATES, ENGINEERS, D.P.C. New York Since: 1968 GOLDMAN COPELAND ASSOCIATES, ENGINEERS, D.P.C.
