| Business | Phone |
| Clinton County Farmers Assn 301 Batson Rd, Wilmington 45177 | (937) 382-1178 |
| Clinton County Historical Scty 149 E Locust St, Wilmington 45177 | (937) 382-4684 |
| Cowan Lake Assn Sportsman 331 Beechwood Rd, Wilmington 45177 | (937) 289-3422 |
| Cowan Lake Sailing Assoc 7379 State Route 730, Wilmington 45177 | (937) 289-2522 |