BRIDGES TOWARDS SOLUTIONS. Welcome on Mainport Rotterdam Welcome on the Website of the largest Mainport on the Globe. The world of Transport, airfreight, seafreight road transport. Specialised in oversized and heavy cargo and Ships spares to all Mainports over the world. Forwarding Problems with your transport? Has your machinery or equipment broken down? Mainport Forwarding strikes a bridge between the problem and the solution, in any part of the world. By water, by air or road! Warehousing Mainport Warehousing specialises in the loading and unloading of general cargo in and out of containers, flat racks (stuffing and stripping) and lashing and securing. Transport We can provide you with the best services in Transport business. Road Transport, Sea Freight, Air Freight, Special Transport & Warehousing.