| Business | Phone |
| Lake Winona Civic Assoc Winona Tr, Lake Hopatcong 7849 | (973) 663-1174 |
| Berwick International Inc 14 Commodore Dr, Lake Hopatcong 7849 | (973) 663-3232 |
| Foresite Development Co 10 Alpine Dr, Lake Hopatcong 7849 | (973) 663-5111 |
| Sesco Inc 77 Yacht Club Dr, Lake Hopatcong 7849 | (973) 663-5125 |
| Sunrise Communities Jffrsn Vlg 615 Skyline Dr, Lake Hopatcong 7849 | (973) 663-8465 |
| Tdi 148 Chincopee Rd, Lake Hopatcong 7849 | (973) 663-3309 |