Facing financial headwinds, the Big Apple Circus, a nearly 40-year-old nonprofit based in Brooklyn, New York, has launched a desperate attempt to raise $2 million by the end of this month.

While many companies have stopped buying out a large tent for their employees and clients, Cravath, Swaine & Moore and Paul, Weiss, Rifkind, Wharton & Garrison have held out and continue to provide the financially strapped circus with a critical source of revenue.