| Business | Phone |
| Royal Oak Animal Shelter 1515 N Edgeworth Ave, Royal Oak 48067 | (248) 546-6304 |
| Royal Oak Animal Shelter 211 S Williams St, Royal Oak 48067 | (248) 546-6304 |
| Royal Oak Building Inspection 211 S Williams St, Royal Oak 48067 | (248) 246-3210 |
| Royal Oak Cable Tv 211 S Williams St, Royal Oak 48067 | (248) 246-3770 |
| Royal Oak Engineering 211 S Williams St, Royal Oak 48067 | (248) 246-3260 |
| Royal Oak General Information 211 S Williams St, Royal Oak 48067 | (248) 246-3000 |
| Royal Oak Public Svc Dept 1600 N Campbell Rd, Royal Oak 48067 | (248) 246-3300 |
| Royal Oak Housing Commission 211 S Williams St, Royal Oak 48067 | (248) 246-3290 |
| Royal Oak Human Resources 211 S Williams St, Royal Oak 48067 | (248) 246-3070 |
| Royal Oak Ice Arena 1403 Lexington Blvd, Royal Oak 48073 | (248) 246-3950 |
| Royal Oak Information Systems 211 S Williams St, Royal Oak 48067 | (248) 246-3080 |
| Royal Oak Landlord Licensing 211 S Williams St, Royal Oak 48067 | (248) 246-3130 |
| Royal Oak Purchasing Dept 1600 N Campbell Rd, Royal Oak 48067 | (248) 246-3202 |
| Royal Oak Community Ctr 3500 Marais Ave, Royal Oak 48073 | (248) 246-3900 |
| Royal Oak Youth Assistance 202 E 3rd St, Royal Oak 48067 | (248) 546-8282 |