| Name |
| North Cornwall District Council |
| North Devon District Council |
| North Devon Homes Limited |
| North East Derbyhire Distict Council |
| North Herts District Council |
| North Kesteven District Council |
| North Kesteven District Council (Sundry Debts) |
| North Shropshire District Council |
| North Somerset Council |
| North Somerset District Council |
| North Somerset District Council Council Tax |
| North Somerset District Council NNDR |
| North Warwickshire Borough Council |
| North West Commercial Services |
| North Wiltshire District Council |
| Northampton Borough Council |
| Northern Counties Housing Association |
| Northern Ireland H E |
| Northumberland & Durham Property Trust |
| Nottingham City Council |
| Nottingham Evening Post |
| Nottinghamshire CCSSD |
| Nuneaton & Bedworth Borough Council |
| Oldham Metropolitan Borough Council |
| One Vision Housing |
| Orbit (H of E) Housing Association |
| Orbit Housing Association |
| Orbit Housing Group Limited |
| Orbit South Housing Association |
| Orchard & Shipman |
| Parkway Green Housing Trust |
| Partners Credit Union |
| Patmore Co-Op Limited |
| Pay Offline |
| Pembrok Housing Association (Rent) |
| People First Housing Association |
| Peterborough City Council |
| Peterborough Housing |
| Philips Collection Services |
| Places For People |
| Places For People Group |
| Portsmouth Publishing |
| Preferred Mortgages (Curzon) |
| Preston Borough Council |
| Preston City Council |
| Price Right Properties |
| Prop Services |
| Quadant Brownswood |
| R & M Rentals |
| R B Kingston Upton Thmes |