| Pine Tree Associates Po Box 195 Crownsville MD 21032 | |
| Maryland Health Society Po Box 126 Davidsonville MD 21035 | |
| Pen-mar Club Po Box 276 Hancock MD 21750 | |
| Maryland Area Naturist Association PO Box 498 Linthicum MD | Naturist Network Affiliate |
| Maryland Area Naturist Association Po Box 498 Linthicum Heights MD 21090 |