Services that begin with O
- Obstructions on roads and pavements
- Occupational health
- Occupational therapy (equipment and home adaptations)
- Old Town Hall redevelopment
- Older people's homes
- Oldham Community Leisure website
- Oldham Credit Union
- Oldham Language Shop
- Oldham Mortgage Scheme
- Oldham Music Service & Music Centre
- OldhamInfo
- Olympics
- Open access land
- Opticians in Oldham
- Outdoor education