| Adur & Worthing Councils |
| Adur & Worthing Councils Parking Services |
| Argyll & Bute Council |
| Ashford Borough Council Kent |
| Barnsley MBC |
| Basingstoke and Deane Borough Council |
| Bath and North East Somerset Council |
| Bedford Borough Council Parking Services |
| Blackburn with Darwen Borough Council |
| Bournemouth Council |
| Brighton and Hove City Council |
| Bristol City Council |
| Broxbourne Council |
| Broxtowe Borough Council |
| Bury Council |
| Cambridge City Council |
| Cambridgeshire CC |
| Canterbury City Council |
| Cardiff Council |
| Cheltenham Borough |
| Cheshire East Council |
| Chichester District Council |
| City of Wolverhampton Council |
| City of York Council |
| Colchester Borough Council |
| Conwy County Borough Council |
| Cornwall Council |
| Cotswold District Council |
| Coventry City Council |
| Darlington Borough Council |
| Doncaster Council |
| Dorset County Council |
| Dundee City Council |
| Durham County Council |
| East Dunbartonshire Council |
| East Hampshire District Council |
| Enfield Council |
| Epping Forest District Council |
| Fylde Council |
| Gateshead MBC |
| Glasgow City Council |
| Gloucester City Council |
| Gloucestershire County Council |
| Harborough District Council |
| Harrogate Borough Council |
| Herefordshire Council |
| Hinckley & Bosworth Borough Council |
| Horsham District Council |
| Hull City Council |
| Ipswich Borough Council |
| Kettering Borough Council |
| Knowsley Metropolitan Borough Council |
| Lambeth Council |
| Lincolnshire County Council |
| Liverpool City Council |
| London Borough of Bromley |
| London Borough of Camden |
| London Borough of Hackney |
| London Borough of Havering |
| London Borough of Newham |
| London Borough of Tower Hamlets |
| London Borough of Tower Hamlets |
| London Borough of Waltham Forest |
| London Councils |
| Milton Keynes Council |
| Neath Port Talbot CBC |
| North Essex Parking Partnership |
| North Norfolk |
| North Somerset Council |
| Northampton Borough Council |
| Northumberland County Council |
| Norwich City Council |
| Oldham Council |
| Oxfordshire County Council |
| Peterborough City Council |
| Plymouth City Council |
| Rochford District Council |
| Rotherham MBC |
| Runnymede Borough Council |
| Sandwell MBC |
| Sefton Council |
| Somerset County Council |
| South Essex Parking Partnership |
| South Gloucestershire Council |
| Southend Borough Council |
| Stevenage Borough Council |
| Stirling Council |
| StirlingCouncil |
| Suffolk County Council |
| Sunderland City Council |
| Surrey Heath Borough Council |
| Three Rivers District Council |
| Torbay Council |
| Transport for Bucks (Bucks County Council) |
| Transport for London |
| Wakefield Council |
| Walsall MBC |
| Warwick District Council |
| Warwickshire County Council |
| Waveney and Suffolk Coastal Norse Ltd |
| Welwyn Hatfield Borough Council |
| West Berkshire Council |
| West Lindsey District Council |
| West Oxfordshire District Council |
| West Sussex County Council |
| Wiltshire Council |
| Wokingham Borough Council |
| Wychavon District Council |
| Wycombe District Council |