Sports Car Club of Vermont (SCCV)
Centralized in Chittenden County of Vermont, the SCCV sponsors a Ice Time Trial series, Autocross Series, Annual Performance Car Shows (University Mall in South Burlington, VT and the Berlin Mall in Berlin, VT), mini-track events, TSD Rallies, and the Mt. Philo Hillclimb.

Killington Sports Car Club (KSCC)
The KSCC primary focus is hillclimbs.  The KSCC sponsors the Mt. Okemo and two Burke Mtn. hillclimbs.  They also have the 'Flying Mile'. (web site doesn't seem to be working).

Sports Car Club of New Hampshire (SCCNH)
The SCCNH calls Claremont, NH it's home which is within striking distance of the Mt. Ascutney Hillclimb and their autocross series at NHIS.  The SCCNH also has a number of TSD Rallies.

New England Hill Climb Association (NEHA)
NEHA is the rules & regulation entity that the NESCCC has adopted for hillclimbs.  Check out or all the Rules & Regulations, along with results, entry forms, etc. for hillclimbing.
The SCCV, SCCNH and KSCC make up the New England Sports Car Club Council (NESCCC) to support and sponsor local club racing with a primary focus on hillclimbs.

DubsNorth
DubsNorth is a VW & Audi Club with a focus on getting information to its membership regarding VW & Audi related events.
(In late 2005, this changed from .com to .org

Vermont Automobile Enthusiasts (VAE)
Classic car club.