| Business | Phone |
| Elroy Aide To The Elderly 225 Main St, Elroy 53929 | (608) 462-5067 |
| Elroy Ambulance Elroy 53929 | (608) 000-1111 |
| Elroy City Clerk 225 Main St, Elroy 53929 | (608) 462-2400 |
| Elroy City Electric Supt 225 Main St, Elroy 53929 | (608) 462-2415 |
| Elroy City Garage 225 Main St, Elroy 53929 | (608) 462-2429 |
| Elroy City Wastewater Supt 225 Main St, Elroy 53929 | (608) 462-2431 |
| Elroy City Water Clerk 225 Main St, Elroy 53929 | (608) 462-8246 |
| Elroy Historical Society 259 Main St, Elroy 53929 | (608) 462-2407 |
| Town Shop W9902 State Road 82, Elroy 53929 | (608) 462-5034 |
| Wonewock Twp Clerk W10265 Lumsden Rd, Elroy 53929 | (608) 462-5620 |