- New York Caledonian
- 100 North Mountain Dr., Dobbs Ferry, NY, 10522, Grand National
- Norfolk Curling Club
- 70 Golf Drive, Norfolk, CT, 06058, Grand National
- North End Curling Club
- 561 Commercial St, Boston, MA, 02114, Grand National
- Nutmeg Curling Club
- 123 Glenwood Ave, Bridgeport, CT, 06610, Grand National
- Ocean State Curling Club
- 900 Phenix Ave, Cranston, RI, 02921, Grand National
- Ogden Curling Club
- 4390 Harrison Blvd, Ogden, UT, 84403, MOPAC
- Oklahoma Curling Club
- 14613 N Kelly Ave, Edmond, OK, 73013, Mid America
- Orange County Curling Club
- 13071 Springdale St, Westminster, CA, 92683, MOPAC
- Orlando Curling Club
- 8701 Maitland Summit Blvd, Orlando, FL, 32801, Grand National
- Owatonna Curling Club
- 1470 South Elm Ave, Owatonna, MN, 55060, Minnesota
