Dror– Legal assistance, visitors, religious articles, food, necessities, Torah study program and family support. 
Email: office@drorfree.org
Phone: (718) 280-1510

FTF – Freedom Through Friendship- Delivers Kosher food, money for necessities, Tefillin, seforim, books, chavrusas, weekly publication sent to inmates, correspondence with volunteers and assistance with attaining parole for individuals in State prisons.  
Email: freedomthroughfriendship@gmail.com
Phone: (732) 215-2352

L’Asurim– Provides support for prisoners; helps prevent crime and advocates for prison well-being and criminal justice reform.
https://www.lasurim.org
Phone: (718) 513-2525
Email: outreach@lasurim.org

The Aleph Institute– The Aleph Institute, founded in 1981 at the express direction of the Lubavitcher Rebbe, provides crucial financial, emotional and spiritual assistance to thousands of shattered families – helping them persevere through extraordinary crises – while providing support for their loved ones in prison and mental institutions. Aleph’s benevolent mandate also encompasses spiritual assistance to thousands of soldiers in the United States Armed Forces across the globe.
http://www.aleph-institute.org
Email: help@aleph-institute.org

The Tzedek Association– Advocacy for prisoners and prison reform. 
http://tzedekassociation.org
Phone: (845) 371-2390