| Milex International Marine Consultants: Secialising in Vessel Traffic Services (VTS), Vessel Traffic Management and Information Systems (VTMIS), coastal surveillance and offshore platform protection systems. |
| Norcontrol IT: A leading technology solutions provider of Vessel Traffic Management and Information Systems (VTMIS, VTS, AIS). |
| SOFRELOG: Supplying traffic control monitoring systems in maritime and air applications for civilian or military customers. |
| USCG Office of Vessel Traffic Management: Managing the U.S. system of Vessel Traffic Services (VTS) |
| World Vessel Traffic Services Guide: Designed to give Masters of ships, navigators, and interested persons, clear and concise diagrammatic and written information regarding the navigational requirements of the VTS Centres of the world. |
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