She also spent more than twenty years as a Director of the Elizabethtown Water Co. She was appointed by Governor Christie Whitman to serve on the governing board of the New Jersey Economic Development Authority.
[3] In October 2007, Estabrook filed her candidacy as a Republican candidate for the 2008 United States Senate race in New Jersey to oppose incumbent Frank Lautenberg.
[5] In March 2008, she withdrew from the race, releasing a statement that she had suffered a transient ischemic attack or "mini-stroke.
Activists have protested these institutions, demanding they break their ties with Estabrook until she ends the lease to CoreCivic.
[8] In May 2021, Elberon, owners of the windowless former warehouse turned ICE dentention center, alleged its tenant permitted dangerous conditions at the facility and sued to terminate its lease, representing a potential victory for activists.