- Tyne Gangway (Structures) Ltd
- Tysons Ships Riggers
- ULTRA FOG AB
- UnionStahl Nord GmbH
- Unitex Group
- Uson Marine Group
- Vaf Instruments B.V.
- VALEPORT Limited
- Valveco logistics & services B.V.
- VAN AALST MARINE & OFFSHORE BV
- VAN BEEST BV
- Van Bodegraven Elektromotoren B.V.
- Van der Velden Barkemeyer GmbH
- Van Leeuwen Buizen Groep
- Van Lessen en Punt Holding B.V.
- Van Leusden BV
- Van Voorden Gieterij BV
- VARHAUGS MARITIME DIESEL AS
- VDL KLIMA B.V.
- Vecom Group B.V.
- Vector Developments Ltd
- VEINLAND GmbH
- Ventiq AS
- Versitec Europe B.V.
- VESTNES Ocean AS
- VESTTEKNIKK AS
- Veth Propulsion
- VETUS
- VIBRATEC AKUSTIKPRODUKTER AB
- Victor Marine Ltd
- VIDEO TECHNOLOGY GROUP AS
- Vigan Engineering SA
- VIGOT GmbH
- VIKING LIFE-SAVING EQUIPMENT A/S
- Vimex AS
- VingCard Marine, VingCard Elsafe a.s.
- Virtek Communication AS
- Voith Safeset AB
- Volvo Penta (UK)
- Vryhof Anchors B.V.
- VTE-Filter GmbH
- VULKAN Kupplungs und Getriebebau
- WALTER STAUFFENBERG GmbH & Co KG
- WALTON ENGINEERING COMPANY Ltd.
- Warren-Morrison Valves Ltd
- Wartsila (Hamworthy) Water Systems Ltd
- Wartsila Krystallon Ltd
- WARTSILA Norway AS
- WATERMOTA LTD.
- Webasto Thermo & Comfort SE
- Weber Marine
- Weicon GmbH & Co KG
- Wencon ApS
- Wesco Navy GmbH
- West Diesel Engineering AS
- WEST MEKAN PRODUKSJON AS
- Westad Industri AS
- Westermann Kaltetechnik GmbH
- Westmark BV
- Whisper Power BV
- WIDE INDUSTRIER AS
- Wilhelm Kopp Zellkautschuk GmbH & Co.
- Wilhelm Layher GmbH & Co. KG
- WILHELM SANDER FERTIGUNG GmbH
- WILHELM SCHLEY GmbH &Co. KG
- WILHELMSEN MARINE ENGINEERING
- Willbrandt Gummiteknik ApS
- WILLBRANDT KG
- Winteb VOF
- Wiper Solve Marine Ltd.
- WIRED OCEAN LIMITED
- WISKA Hoppmann & Mulsow GmbH
- Witzenmann GmbH
- WNL Marine Electronics
- Wolf Safety Lamp Co Ltd
- WOMA GmbH
- Woodsons of Aberdeen Ltd
- Worldwide Marine and Industrial Spares
- Wouter Witzel EuroValve
- XTRONICA AS
- Young & Cunnigham Eddie Spence
- Zeework Ltd
- ZF Marine GmbH
- ZOELLNER Signal GmbH