Any association, corporation, partnership or individual proprietorship whose continuity in its own right, or as successor to an organization in business for over 100 years is eligible for membership.
Electric, Emmet, Marvin & Martin, Scientific American, STV Group, The Hotel Wales, The Delta Kappa Epsilon Club of New York and Ferrara Cafe.
Initiated in 1958, the association grants the "Isaac Liberman Public Service Awards" annually to career New York City civil servants who have excelled beyond their normal duties during the course of the year.
The public service awards are named for Isaac Liberman, founder of The Hundred Year Association when he was president of Arnold Constable & Company in Brooklyn.
The annual "E. Virgil Conway College Scholarships" are awarded to the sons and daughters of New York City employees every year.