- ROLLS ROYCE GROUP
- Rolls-Royce Marine AS
- Scan-Sense AS
- SCANDINAVIAN ELECTRIC AS
- Scandinavian Micro Systems AS
- SCANROPE MARINE A/S
- Scanvi-Interyards AS
- SES-X MARINE TECHNOLOGIES
- SHIP EQUIP AS
- Simtronics ASA (Head office)
- Solberg Scandinavian AS
- Southern Marine Consult AS
- Stadt Automasjon AS
- State Enterprise Admiralty Shipyards (Head Office)
- STEINSVIK AS
- SYBERG AS
- TAMROTOR MARINE COMPRESSOS AS
- TEAMTEC A/S
- TECO MARITIME ASA
- TRANZAS EVRAZIJA
- TREADE AS
- Trelleborg Viking AS
- TTS Handling Systems AS
- TTS Syncrolift AS Shipyard Solutions
- Unicont Spb Co., Ltd.
- Uralgrit LLC
- VARHAUGS MARITIME DIESEL AS
- Ventiq AS
- VESTNES Ocean AS
- VESTTEKNIKK AS
- VIDEO TECHNOLOGY GROUP AS
- Vimex AS
- VingCard Marine, VingCard Elsafe a.s.
- Virtek Communication AS
- WARTSILA Norway AS
- Weber Marine
- WEST MEKAN PRODUKSJON AS
- Westad Industri AS
- WIDE INDUSTRIER AS
- XTRONICA AS