| Business | Phone |
| Arcanum Village Treatment Plnt 19 Water St, Arcanum 45304 | (937) 692-8101 |
| Arcanum Village Water & Light 104 W South St, Arcanum 45304 | (937) 692-8565 |
| City Building Lumber St, Arcanum 45304 | (937) 692-5536 |
| Monroe Twp Trustees 1555 Schnorf Jones Rd, Arcanum 45304 | (937) 947-1456 |
| Twin Township Trustees 104 W South St, Arcanum 45304 | (937) 692-6284 |