 | United Arab Chemical Carriers Ltd., Dubai | |
 | United Arab Shipping Company, Safat | |
 | United Chemical Transport GmbH, Hamburg | |
 | United European Car Carriers AS, Oslo | |
 | United European Car Carriers AS, Oslo | |
 | Ultragas ApS, Gentofte | |
 | U.N. Ro-Ro Isletmeleri A.S., Istanbul | |
 | Unibaltic S.p.z.o.o., Szczecin | |
 | Unicorn Shipping Pte.Ltd., Singapore | |
 | Unifeeder A/S, Aarhus | |
 | Unifleet B.V., Rotterdam | |
 | Unigas International B.V., Rotterdam | |
 | Union Transport Group Ltd., Bromley | |
 | Unisea Shipping B.V., Sneek | |
 | Uni-Tanker A/S, Middelfart | |
 | Unitas GmbH, Haren/Ems | |
 | United Marine Dredging Ltd., Chichester | |
 | United Mariners Corp., Istanbul | |
 | UPM-Kymmene Seaways Oy, Helsinki | |
 | URAG Unterweser Reederei GmbH & Co.KG, Bremen | |
 | Unie van Redding- en Sleepdienst N.V., Antwerpen | |
 | Utkilen AS, Bergen |