- Coursemaster Autopilots Pty Ltd
- CSD Sealing Systems - North America, LLC
- CSIC Electrical Machinery Science & Technology Co., Ltd
- CSL Australia
- CSSC Nanjing Luzhou Machine Co.,Ltd,
- Cummins Inc.
- Current Corporation
- Dae Kwang Co Ltd
- DAEDONG MARINE TECH
- DAEHAN GENERATOR CO.,LTD
- Daehwa Engineering Service Co., Ltd.
- Daeyang Electric Co., Ltd.
- Daihatsu Diesel Mfg Co Ltd
- Dalian Dahui Science & Technology Development Co., Ltd.
- Dalian Marine Valve Co., Ltd.
- Dan Marine (Canada) Limited
- Delta Rigging and Tools
- Dezhou Hengli Electrical Machinery Co., Ltd.
- Diamond Sea Glaze
- Dibblee Tools Ltd
- DICKINSON MARINE
- Diesel Systems Plant
- DIGITAL SYMBOL CO.,LTD
- DIXON MANUFACTURING Ltd.
- DK Industrial Co., Ltd.
- DM Alscott marine & Offshore HVAC Ltd.
- DMU MARINE CO., LIMITED
- Dometic Marine
- DONG-I Industrial Co
- Donggang Weiyuan Fuel Injection Equipment Co.,Ltd
- DongHwa Entec
- DONGHYUN MARINE EQUIPMENT CO.,LTD
- Dongnam Marine Crane
- Dongtai Haipeng Marine Fittings Factory
- Dongying Xinyu Precision Metal Co.,Ltd
- DOOSAN ENGINE Co., Ltd.
- DPI CO., LTD
- Dr. Shrink, Inc.
- DSB ENGINEERING CO.,LTD.
- DSE BEARING Co., Ltd.
- Dulang Engineering Sdn Bhd
- Duramax Marine LLC
- Dutton-Lainson Company
- DYM CO LTD
- DYNALCO
- Eastern Foundry Limited
- EASTONE INTERNATIONAL(HK) CO.,LTIMITED
- Eletek Technology Ltd (Representative Office)
- Elite Marine Equipment & Engineering Inc.
- Ellwood Crankshaft Group
- EMS European Metric Steel
- Energy Power Systems Australia
- Ensolve Biosystems Inc
- EVERISE SHIPPING SERVICE CO.LTD
- Eversailing Marine Safety Technology Co. Ltd.
- Eyco Flow Control Inc
- Fibergrate Composite Structures Inc.
- FineTek Co., Ltd (Head office)
- Freeman Marine Equipment
- Fuji Trading Co., Ltd.
- FUJI TRANSPORT SYSTEMS CO., LTD.
- FURUNO ELECTRIC Co. Ltd.
- Fusheng Industrial Co
- FuYa Diesel Parts Co.,Ltd
- FUZHOU BEKEN ENVITECH CO.LTD.
- General Electric
- George Falconer (Nautical) Ltd
- GESA Group Co., Ltd.
- GLOBAL WIN VEHICLE Co., Ltd
- Glory Harvest Marine & Trading Co.,Ltd
- Golden Companion Marine Service Co.,Ltd
- GUANGZHOU JIHAI SHIPPING MATERIAL CO., LTD.
- Guangzhou Mariward Governor Co.,LTD.
- H.O. Bostrom Co., Inc.
- HAE WON INDUSTRY CO.
- Haihua Electronics Enterprise (China) Corporation
- HAITIMA CORPORATION
- Haixing Maritime Electric Group
- HALLA INDUSTRIAL CO., LTD.
- HANGZHOU ADVANCE GEARBOX GROUP CO.,LTD.
- Hangzhou Fada Gearbox Group Co., Ltd.
- Hangzhou Huayan Digital Electron Co.,Ltd
- Hangzhou Jianghe Equipment Co.,Ltd
- HangZhouHangZhouXinglong Pump Co., Ltd
- Hanla Level Co., Ltd.
- Hans Bell Equipment Ltd.
- Harbormaster Marine Inc
- Hayata, Ltd.
- HDM TECH CO., LTD. (formerly CMR Korea Co. Ltd.)
- Hebei Angder Steel Pipe Co., Ltd
- HEBEI JITAI SPECIAL SHAPED STEEL GROUP
- Hebei Minhai Pipe Fitting Co. ,Ltd.
- Hebei Zidong Pump Industry Co.
- Hectos Ltd.
- Henan Anson Steel Co,Ltd
- HENAN GUANGCAI ELECTRIC CO.,LTD
- HENAN WEIN INDUSTRY CO.,LTD.
- Hermont Marine Inc. & Hermont Tech
- HG MACHINERY GROUP CO., LTD
- Hi Air (Hi-Pres) Korea Co., Ltd.