Union College Curling Club, Schenectady, NY
College curling organization lasted at least until the mid-1980's.  The curling ice was converted to storage 10-15 years ago.  Information courtesy of alumnus and curler, Ben Heckscher, Jr.
Pindawg collection
This pin wanted
Ben Heckscher, Jr. collection
This pin wanted

University of Nebraska-Lincoln Curling
Dave Phillips collection

Utah Olympic Oval Curling Club, Kearns, UT
c.2012-present (better dates needed)

Vikingland Curling Club, Alexandria, MN
Dave Phillips collection

Curling Club of Virginia, Richmond, VA
Eric Cable collection

Virginia-Lenont Curling Club, Virginia, MN.  At Curl Mesabi, Eveleth, MN since 1998.  Still a named entity?
Diane & Steve Brown collection
Steve's Curling Supplies