- CMI Marine
- COATES OFFSHORE
- Coldharbour Marine Ltd
- ColorLight AB
- Coltraco Ltd
- Compass Marine Services
- COMPRESSED AIR CENTRE
- COMROD A/S
- Consilium AB
- Consilium Marine & Safety AB
- Cooper Roller Bearings Co Ltd
- Cosalt Head Office
- Crestchic Loadbanks
- Crewsaver Marine Equipment
- CUMMINS NORWAY AS
- Cygnus Instruments Ltd
- DANFOSS A/S
- Daniamant Electronics A/S (formerly Uni-Safe Electronics A/S)
- Danish Crane Building AS
- DANISH MARINE SYSTEM A/S
- DANSK RADIO AS
- Dasic Marine Ltd
- Davey & Company London Ltd
- Deif (UK) Ltd
- DEIF A/S
- Delta Fire Ltd
- DEMP A/S
- DESMI Pumping Technology A/S
- DESMI Ro-Clean A/S
- DITECH SCANDINAVIA AS
- Dolphin Maritime Software Ltd
- DSB Offshore Ltd
- Duncan Propellers Ltd
- Durapipe UK(Head office)
- DURASTIC Ltd.
- DVC International ApS
- EagleBurgmann KE A/S
- EIDE MARINE TECH AS
- Elastoforce Sweden AB
- ELEKTRONIX AS
- Ellehammers A/S
- Elos Fixturlaser AB
- Eltek Valere AS
- Eltorque AS
- EMCO Controls A/S
- Emerson Process Management
- ENGINE PROTECTION PARTNER EPP AS
- ENWA WATER TREATMENT AS
- EPTEC ENERGI AS
- Essve Produkter AB (FireSeal)
- ETECH PROCESS AS
- Evac Oy
- EYE Marine Limited
- FENDER CARE MARINE SOLUTIONS LIMITED
- FINNOY GEAR & PROPELLER AS
- FINNRITILA KY
- FIRE FIGHTING SYSTEMS AS
- Flebu International AS
- Flo-Code AS
- Frenstar Limited
- Froude Hofmann Limited
- Frydenbo Power AS
- Frydenbo Sabb Motor AS.
- FUGLESANGS LIMITED AS
- FUGRO SEASTAR AS
- Furuno (UK) Ltd
- FURUNO DANMARK AS Professional Maritime Electronics
- Garmin (Europe) Ltd
- Gecko Headgear Ltd.
- GEORG EKNES INDUSTRIER AS
- GERTSEN & OLUFSEN AS
- GESAB
- GI Group Ltd
- Gilbert Gilkes & Gordon Ltd
- GLAMOX INTERNATIONAL
- GMC Instrumentation Ltd
- Green Instruments A/S
- GS HYDRO OY
- Gudbrandsdalens Uldvarefabrik
- Guidance Navigation Ltd
- H.C.MATCHETT LTD, SHIPCHANDLERS, LIVERPOOL, UK
- Haakon Ellingsen AS
- Halton OY
- Hamilton Jet (U.K.) Ltd.
- HANS BUCH A/S
- Hansen Protection AS
- Hansson PtroTech AB
- Harding Safety AS
- HARRIS CAPROCK
- Harris Pye UK Ltd
- HELKAMA BICA OY
- HELLBERGS INTERNATIONAL AB
- HERNIS Scan Systems
- Hilco Industrial Limited
- Hochiki Europe (UK) Ltd
- Hollming Works
- HUNDESTED PROPELLER A/S
- Huntingdon Fusion Techniques Limited
- Hutton & Co. (Ships Chandlers) Ltd.
- HYDEX FLUID POWER