| Chartwork Ltd. | Portsmouth |
| www.chartwork.com | |
| Euronav Navigation | Portsmouth |
| www.euronav.co.uk | |
| Latutude Kinsale | Ireland |
| www.latitudekinsale.com | |
| Imray Laurie Norie & Wilson | Cambridgeshire |
| www.imray.com | |
| Marine Chart Services | Northamptonshire |
| www.chartsales.co.uk | |
| Piplers of Poole | Dorset |
| www.piplers.co.uk | |
| Todd Chart Agency Ltd. | Northern Ireland |
| www.nautical-charts.com | |
| U.K. Hydrography Office | Somerset |
| www.hydro.gov.uk | |
| Yaesu UK Ltd. | Hampshire |
| www.standardhorizon.co.uk | |