Amethyst Foundation, Inc. is a private, non-profit organization that has offered professional substance abuse education, intervention and evaluation to individuals, courts, probation officers and other organizations since 1981. The administrative offices and residential facility are located in Epping, New Hampshire, which is readily accessible to residents of New Hampshire and other New England states.

Amethyst Foundation has satellite locations for intake interviews, class sessions and assessment (exit) interviews in several other New Hampshire towns. Its WIDIP (Weekend Program) is certified by the New Hampshire Department of Health and Human Services and is accepted by almost all other states as an approved alternative for DWI/DUI education/intervention.