| Business | Phone |
| Cudahy Building Inspection 5050 S Lake Dr, Cudahy 53110 | (414) 769-2211 |
| Cudahy City Ambulance 4626 S Packard Ave, Cudahy 53110 | (414) 769-2231 |
| Cudahy City Clerk's Office 5050 S Lake Dr, Cudahy 53110 | (414) 769-2202 |
| Cudahy City Engineering Dept 5050 S Lake Dr, Cudahy 53110 | (414) 769-2213 |
| Cudahy City Garage 5050 S Lake Dr, Cudahy 53110 | (414) 769-2216 |
| Cudahy Cty Plumbing Inspection 5050 S Lake Dr, Cudahy 53110 | (414) 769-2208 |
| Cudahy Electrical Inspection 5050 S Lake Dr, Cudahy 53110 | (414) 769-2209 |
| Cudahy Engineering Dept 5050 S Lake Dr, Cudahy 53110 | (414) 769-2212 |
| Cudahy Purification Plant 5110 S Lake Dr, Cudahy 53110 | (414) 769-2234 |