- H+H UMWELT UND INDUSTRIETECHNIK GMBH
- H.A. Springer Marine + Industrie Service GmbH
- H.C.MATCHETT LTD, SHIPCHANDLERS, LIVERPOOL, UK
- H.CEGIELSKI - POZNAN S.A.
- H.O. Bostrom Co., Inc.
- H.T.I GROUP
- Haag + Zeissler Maschinenelemente GmbH
- Haagh Protection BV
- Haakon Ellingsen AS
- HACI AYVAZ END.MAM.SAN.ve TIC.A.S.
- HAE WON INDUSTRY CO.
- HAGGLUNDS DRIVES GmbH
- Haihua Electronics Enterprise (China) Corporation
- HAITIMA CORPORATION
- Haixing Maritime Electric Group
- HALLA INDUSTRIAL CO., LTD.
- Halton OY
- Hamilton Jet (U.K.) Ltd.
- Hammelmann GmbH
- 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.
- HANS BUCH A/S
- HANS LUTZ MASCHINENFABRIK GMBH & Co. KG
- HANSA-FLEX Hydraulik GmbH
- Hansen Protection AS
- HANSENAUTIC GmbH
- Hansson PtroTech AB
- Hanyuan TSC GmbH
- Harbormaster Marine Inc
- Harding Safety AS
- HARRIS CAPROCK
- Harris Pye UK Ltd
- Hartchrom AG
- Hatenboer-Water b.v,
- Hayata, Ltd.
- HDM TECH CO., LTD. (formerly CMR Korea Co. Ltd.)
- HEAT NORD GMBH
- Heatmaster bv
- 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.
- Heinen & Hopman
- Heinen & Hopman Engineering B.V.
- HEINZMANN GmbH & Co. KG
- HELKAMA BICA OY
- Hella Fahrzeugteile Austria GmbH
- HELLBERGS INTERNATIONAL AB
- Henan Anson Steel Co,Ltd
- HENAN GUANGCAI ELECTRIC CO.,LTD
- HENAN WEIN INDUSTRY CO.,LTD.
- Herborner Pumpenfabrik
- Hermont Marine Inc. & Hermont Tech
- HERNIS Scan Systems
- HG MACHINERY GROUP CO., LTD
- Hi Air (Hi-Pres) Korea Co., Ltd.
- HI-TECH ELASTOMERS LTD.
- Hidro OZCELIK HYDRAULIC
- Higginson Equipment Inc.
- HIL SHIP MANAGEMENT
- Hilbig GmbH
- Hilco Industrial Limited
- Hisaka Works, Ltd.
- HITACHI ZOSEN CORPORATION
- HK Hydraulik-Kontor GmbH
- HMB Lintec marine GmbH
- HME BV
- Hochiki Europe (UK) Ltd
- Hoi Tung Marine Machinery Suppliers Limited(Head office)
- Holland Cargo Pumps
- Holland Marine Lifts B.V.
- HOLLAND MARINE SERVICES AMSTERDAM BV
- Hollming Works
- Holmatro
- Hongkong Haisheng Metal Products Co., Ltd
- Hoover Container Solutions
- Hoppe Bordmesstechnik GmbH
- Hoppe Marine GmbH
- Hose & Reel Products BV
- Hotstart
- HSN-Kikai Kogyo Co., Ltd.
- HTI-GESAB Hoch-Temperatur Industrieanlagen GmbH
- Huaian Ace Star International Trading Co., Ltd
- Huaiyin Marine Machinery Co., Ltd
- HUANAN BUILDING MATERIALS (SHENZHEN) CO.,LTD.
- HuaNing International Tech. & Trading Corp.
- Huisman Special Lifting Equipment BV
- Hunan Great Steel Pipe Co., Ltd
- HUNDESTED PROPELLER A/S
- HUNG SHEN PROPELLER CO., LTD.
- Hunger Werkzeug und Maschinenfabrik GmbH, Ludwig
- Huntingdon Fusion Techniques Limited
- HUROGLU OTOMOTIV SAN. ITH.IHR.VE TIC. A.S.
- HUSNA YAPI, IDE MARINE