“…In the past, some shipping research topics were discussed, such as performance [1,2,3,4,5], strategic alliances in shipping carriers [6,7,8,9,10,11], customer loyalty in shipping industry [12,13,14,15,16], trust [17,18], satisfaction [19,20,21], and shipping industry management [22,23,24,25,26,27]. Few papers analyzed the strength, weakness, opportunity, and threat of shipping carriers.…”