| Oliver Lumb Ecuador Expedition | 19 Lindale Grove, Wrenthorpe, Wakefield, West Yorkshire, WF2 OBU |
| Oliver Twist, The | Bleakley Lane, Notton, Wakefield, West Yorkshire, WF4 2NU |
| Olivers Journey To Beat Neuroblastoma | 22 Woodlock Road, Ackworth, Pontefract, West Yorkshire, WF7 7FG |
| One Off Raffle Event | 45 Park Avenue, Wakefield, West Yorkshire, WF1 5TG |
| Ossett and Gawthorpe Parochial Church Council | Trinity Church, Church Street, Ossett, West Yorkshire, WF5 9DW |
| Ossett Brewery Tap | 2 The Green, Ossett, Wakefield, West Yorkshire, WF5 8JS |
| Ossett Central Working Mens Club | 5 New Street, Ossett, Wakefield, West Yorkshire, WF5 8BH |
| Ossett Cricket and Athletic Club | Dimple Wells Road, Ossett, West Yorkshire, WF5 8JU |
| Ossett Flying Horse B.C | Dewsbury Road, Ossett, West Yorkshire |
| Ossett Loyalty Card Community Interest Company (CIC) | 5 Bank Street, Ossett, Wakefield, West Yorkshire, WF5 8PS |
