• Arethusa Watersports Centre
• Beacon Boatyard
• Chatham Maritime Marina
• Clarke and Carter Interyacht
• Conyer Cruising Club
• Elite Sailing
• Gillingham Marina
• Hollowshore Cruising Club
• Hoo Ness Yacht Club
• Hundred of Hoo Sailing Club
• Isle of Sheppey Sailing Club
• Kentish Sail Association
• Kingsferry Boat Club
• Long Reach Ski Club
• Lower Halstow Yacht Club
• Mariners Farm Boatyard
• Maritime Operations and Logistics Centre
• Maritime Volunteer Service

• Medway Bridge Marina
• Medway Cruising Club
• Medway Motor Yacht Club
• Medway Outdoor Education
• Medway Sailability
• Medway Towns Rowing Club
• Medway Yacht Club
• Queenborough Rowing Club
• Queenborough Yacht Club
• Rochester Cruising Club
• Royal Engineer Yacht Club
• Royal Naval Sailing Association
• Segas Sailing Club
• Strood Yacht Club
• Upnor Sailing Club
• Victory Moorings
• Whitton Marine
• Wilsonian Sailing Club