Communications (Southern) Ltd Radiocommunications Telecommunications www.communicationssouthern.ltd.uk Hazelbury Bryan, United Kingdom
Electromed Marine Ltd Marine Navigation and Marine Communication Systems Electronics www.electromedmarine.com Gibraltar, Gibraltar PORTS SERVIS GIBRALTAR
LMK Technical Services Wireless Data Link and Radio Communication Specialist Telecommunications https//www.lmkts.com Broadstairs, United Kingdom PORTS SERVIS RAMSGATE
Mackay Marine Ship Services / Suppliers www.mackaymarine.com Norderstedt, Germany PORTS SERVIS HAMBURG
NavCom Inspection & Consultancy South of France The independent radio surveyors serving yachts in the South of France Surveyors navcom.org Valbonne, France PORTS SERVIS ANTIBES
Radartech Sistemas Eletrônicos Marine Electronics Electronics www.radartechrio.com Brazil PORTS SERVIS RIO DE JANEIRO
SANDVIK MARINE SERVICES RADIO SURVEYS/VDR/GYROS Electronics WWW.SANDVIKSERVICE.COM Gibraltar, Gibraltar PORTS SERVIS GIBRALTAR
SEQUEST Station Callsign: SEQUEST RADIO Telecommunications www.sequestradio.org/ Goodna, Australia PORTS SERVIS BRISBANE
South Eastern Communications All Road And Marine Communications Telecommunications wwww.secomms.com.au Rosebud, Australia PORTS SERVIS MELBOURNE
Sailing school / Boating school Education / Research / Consultancy sportbootschule-innenhafen.de Duisburg, Germany PORTS SERVIS DUISBURG