| Lubrication Equipment b.v. | Dordrecht |
| Luchttalent | Spijkenisse |
| Lufthansa Cargo AG | Schiphol |
| LUKOIL Benelux B.V. | Rotterdam |
| LVNT Logistics B.V. | Rotterdam |
| LyondellBasell Covestro Manufacturing Maasvlakte V.O.F | Maasvlakte-Rotterdam |
| LyondellBasell Industries N.V. | Botlek-Rotterdam |
| Maaskade Bevrachters B.V. | Zwijndrecht |
| Maas-Riva B.V. | Hoogvliet-Rotterdam |
| Maasterminal Maastricht | Maastricht |
| Maas Trading B.V. | Hoogvliet-Rotterdam |
| Maastricht Aachen Airport | Maastricht |
| Maasvlakte Olie Terminal (MOT) | Maasvlakte-Rotterdam |
| Maatschap Europoort Terminal B.V. (MET) | Europoort-Rotterdam |
| Maat Transport B.V. | Alblasserdam |
| MacGregor Netherlands B.V. | Rotterdam |
| Machinefabriek L. Straatman B.V. | Zwijndrecht |
| Machinefabriek Rotterdam B.V. | Rotterdam |
| MACS Benelux B.V. | Rotterdam |
| Maersk Customs Services - Barendrecht | Barendrecht |
| Maersk Customs Services - Emmen | Emmen |
| Maersk Customs Services - Hoofddorp | Hoofddorp |
| Maersk Line Netherlands B.V. | Rotterdam |
| Maeve Port | Rotterdam |
| Maiden Marine Surveys | Hoogvliet Rotterdam |
| Mainfreight B.V. - Rotterdam | Rotterdam |
| Mainfreight B.V. - Schiphol | Schiphol-Rijk |
| Mainfreight Forwarding Netherlands | 's-Heerenberg |
| Mainport Container Services B.V. | Rotterdam-Pernis |
| Mainport Container Services BV – Pernis | Pernis-Rotterdam |
| Mainport Tankcontainer Services B.V. | Botlek-Rotterdam |
| Mainport Warehousing & Forwarding B.V. | Rotterdam Pernis |
| MAIN Waste Collection Netherlands | Amsterdam |
| Maja Stuwadoors Amsterdam B.V. | Amsterdam |
| Malaysia Airlines Berhad | Schiphol |
| Malenstein Air B.V. | Schiphol-Zuid |
| Mammoet Ferry Transport | Europoort-Rotterdam |
| Mammoet Heavy Lift Terminal | Schiedam |
| Mammoet Road Cargo B.V. | Oudenbosch |
| Mampaey Offshore Industries B.V. | Dordrecht |
| Mannlines Logistics / part of Wallenius-Sol | Rotterdam |
| Manuport Logistics Netherlands | Rotterdam |
| Marcor Stevedoring B.V. | Rotterdam |
| Mare Forum | Rotterdam |
| MarFlex Europe | Oud-Beijerland |
| Mariflex Transfer Services BV | Vlaardingen |
| Marinair Cargo Services B.V. | Schiphol |
| Mar-In Controls b.v. | Krimpen aan den IJssel |
| Marinco Survey | Rotterdam |
| Marine Masters B.V. | Zuid-Beijerland |
| Marine Providoring Agencies (MPA) | Hoogvliet-Rotterdam |
| Marinetrans Benelux BV | Rotterdam |
| Marintec Expertise BV - Headoffice | Rotterdam |
| Marintec Expertise BV - Maasvlakte-Rotterdam | Maasvlakte-Rotterdam |
| MariTeam Shipping Agencies | Rotterdam |
| Maritiem Aannemingsbedrijf Simon B.V. | Rotterdam |
| Maritiemevacaturebank.nl | Schiedam |
| Maritime Logistics B.V. | Vlissingen |
| Maritime Shipcleaning Rotterdam B.V. | Rotterdam |
| Maritime & Transport Business Solutions | Rotterdam |
| Marktechnical B.V. | Dongen |
| Marlo Expeditie BV | Zevenhuizen |
| Marlow Navigation Netherlands B.V. | Rhoon |
| Marpro Search & Selection | Rotterdam |
| Marquis Logistics Solutions B.V. | Schiphol-Zuid-Oost |
| Marsh Nederland | Rotterdam |
| Marstrat B.V. | Rotterdam |
| Martico Global B.V. | Zwijndrecht |
| MasterMind Security | Breda |
| Mateco B.V. | Rotterdam |
| Materials Handling Consultants B.V. | Rotterdam |
| Mathomar Coal Chartering B.V. | Brielle |
| Matrans Marine Services B.V. | Rotterdam |
| Matrans Rotterdam Terminal B.V. | Pernis-Rotterdam |
| Maurice Ward & Co. B.V. | Nieuw Vennep |
| Maxxs Trans B.V. | Rotterdam |
| Mazars | Rotterdam |
| MCR - Marine Club Rotterdam | Capelle aan den IJssel |
| MCSI Global Logistics B.V. | Rotterdam |
| MCS International Marine Services B.V. | Rotterdam |
| MCT-Lucassen | Zaandam |
| Mediterranean Shipping Company (Nederland) B.V. (MSC) | Rotterdam |
| Medlog Netherlands Customs B.V. | Rotterdam |
| Medrepair Netherlands - Depot 1 | Rotterdam |
| Medrepair Netherlands - Depot 2 | Rotterdam |
| Meeberg ISO Tanks en Containers B.V. | Breda |
| Mega-Inliner B.V. | Valkenswaard |
| Meilink Raamsdonksveer B.V. | Raamsdonksveer |
| Meis Marine Services B.V. | Ridderkerk |
| Melle Transport | Bergschenhoek |
| Meneba | Rotterdam |
| Mennens Rotterdam B.V. | Vlaardingen |
| Men Techniek BV | Rotterdam |
| Mentrex Lemac B.V. | Nieuwerkerk aan den IJssel |
| Merchant Logistics B.V. | Tilburg |
| Mercurius Shipping Group | Hendrik-Ido-Ambacht |
| Merzario B.V. - Rotterdam | Rotterdam |
| Merzario B.V. – Schiphol | Schiphol-Rijk |
| Metaal Transport B.V. | Rotterdam |
| MF Shipping Group | Famsum |
| Miandum Logistics B.V. | Tilburg |
| Mid-America Overseas (The Netherlands) B.V. | Rotterdam |
| Midl Logistics B.V. - Amersfoort | Amersfoort |
| Midl Logistics B.V. - Nijmegen | Nijmegen |
| Minerva Advocaten | Rotterdam |
| Minimax Brandbeveiliging BV | Rotterdam |
| MISAN Logistics B.V. | Schiedam |
| Mission Freight B.V. - Rotterdam | Capelle aan den IJssel |
| Mission Freight B.V. - Schiphol | Lijnden |
| Mitsubishi Logistics Europe B.V. | Ridderkerk |
| Mitsui Rail Capital Europe B.V. (MRCE) | Amsterdam |
| MME Group - Headoffice | Ridderkerk |
| Modality Software Solutions B.V. | Barendrecht |
| Moerdijk Container Terminals (MCT) | Moerdijk |
| Mogney & Cathbert | Almere |
| MOL Logistics (Netherlands) B.V. - Rotterdam | Hoogvliet-Rotterdam |
| MOL Logistics (Netherlands) B.V. – Schiphol | Schiphol |
| MOL Logistics (Netherlands) B.V. - Tilburg | Tilburg |
| Mondiale VGl | Ridderkerk |
| Mondial Logistics B.V. | Zaandam |