- Plain Sailing Communications Ltd.
- Planex Projektierungs GmbH
- Podszuck GmbH
- Point Distribution Limited
- PolarMarine Scandinavia
- Portmere Rubber Ltd
- Portner GmbH
- POWERBOX AS
- PPS POWER PARTS SUPPLY BV
- Precision Polymer Engineering Ltd.
- Pres-Vac Engineering Aps
- PRO NAUTAS B.V. GmbH
- PTR Holland B.V.
- PYRO AS
- Quality Monitoring Instruments
- R Toes + ZN BV
- R&D Marine Ltd
- R&M Ship Tec GmbH
- R&M Ship Technologies GmbH
- Ra In Ho Co. Ltd
- Radio Holland Group
- RADIO HOLLAND NORWAY AS
- Randers Reb International A/S
- Rapp Bomek AS
- Rapp Marine AS
- RAVEBO BRIELLE BV
- Rayco-Wylie Systems
- RAYTHEON ANSCHUETZ GmbH
- REICH-KUPPLUNGEN
- Reintjets
- REMAT BV
- Renk AG - Augsburg
- RENK Aktiengesellschaft
- RENK Aktiengesellschaft Rheine Works
- RESMAR LTD
- RESON A/S
- RHC Deutschland GmbH
- RHC Heavy Machinery Limited
- Rheintacho UK Ltd.
- Rickmeier GmbH
- RICOEurope Ltd
- Ridderinkhof BV
- RIVERTRACE ENGINEERING Ltd.
- ROB HEIJKOOP TRADING BV
- Robinson & Liddell Ltd
- Rochem UF-Systeme GmbH
- ROCKWOOL A/S
- Rolf Janssen GmbH Elektrotechnische Werke
- ROLLS ROYCE GROUP
- Rolls-Royce Marine AS
- ROLLS-ROYCE PLC.
- Roodhart Marine Services BV
- RopeBlock BV
- Ropenhagen a/s
- Rotodyne Ventilatoren b.v.
- ROWAN & BODEN MARINE Ltd.
- Roxtec BV
- Roxtec International AB
- RS Aqua Ltd
- Rubber Design BV
- Rudolf Rost Sperrholz GmbH
- RWO GmbH Marine Water Technology
- S MAN AB
- S&B Beschlaege GmbH
- Saab TransponderTech AB
- SAACKE MARINE SYSTEMS /SAACKE GmbH
- SAACKE VKK MARINE BOILERS GMBH
- SAB Schunemann GmbH
- Safe Pack Sicherheitsverpackungen GmbH
- Safestairs Hafentreppen GmbH
- Safetec Brandes und Niehoff
- Saft
- SAM Electronics GmbH
- SAM Electronics Nederland BV
- Sandfirden Technics b.v.
- Santon Holland B.V.
- Scan-Sense AS
- Scandex AG
- Scandinavian Boiler Service A/S
- SCANDINAVIAN ELECTRIC AS
- Scandinavian Micro Systems AS
- SCANROPE MARINE A/S
- Scanvi-Interyards AS
- SCHAAF GmbH & Co. KG
- Schaffran Propeller + Service
- Schaller Automation
- SCHIFFSDIESELTECHNIK Kiel GmbH
- Schilder Gerlach GmbH
- SCHMIDT CLEMENS GmbH Co. KG
- SCHMITT ANCHORS & CHAINCABLES B.V.
- SCHNEIDER ELECTRIC
- Schoenrock Hydraulik Marine Systems GmbH
- Schonwolf Hamburg
- SCHOTTEL GmbH
- Schwarze-Robitec GmbH
- SCHWINGUNGSTECHNIK-BRONESKE GmbH
- Scotgrip (UK) Ltd
- SDT International
- SEAB Marine AB
- Seafresh Desalinators Ltd