| No. | Ship Name | Ship Type | Shipyard | Date of Built |
| 1 | YM Utility | Container Ship, 8,241 teu | CSBC Corp | 2009 - 01 |
| 2 | YM Uniform | Container Ship, 8,241 teu | CSBC Corp | 2009 - 03 |
| 3 | YM Upward | Container Ship, 8,241 teu | CSBC Corp | 2008 - 09 |
| 4 | YM Uniformity | Container Ship, 8,626 teu | CSBC Corp | 2012 - 06 |
| 5 | YM Ubiquity | Container Ship, 8,626 teu | CSBC Corp | 2012 - 08 |
| 6 | YM Unanimity | Container Ship, 8,626 teu | CSBC Corp | 2012 - 10 |
| 7 | YM Upsurgence | Container Ship, 8,626 teu | CSBC Corp | 2012 - 12 |
| 8 | YM Unicorn | Container Ship, 8,626 teu | CSBC Corp | 2013 - 05 |
| 9 | YM Wisdom | Container Ship, 14,220 teu | Imabari Shipbuilding, Hiroshima | 2019 - 02 |
| 10 | YM Warranty | Container Ship, 14,220 teu | Imabari Shipbuilding, Hiroshima | 2019 - 03 |
| 11 | YM Wellspring | Container Ship, 14,220 teu | Imabari Shipbuilding, Hiroshima | 2019 - 03 |
| 12 | YM Wonderland | Container Ship, 14,220 teu | Imabari Shipbuilding, Hiroshima | 2019 - 01 |
| 13 | YM Wellbeing | Container Ship, 14,220 teu | Imabari Shipbuilding, Hiroshima | 2018 - 10 |
| 14 | YM Wholesome | Container Ship, 14,080 teu | Hyundai HI, Ulsan | 2015 - 07 |
| 15 | YM Worth | Container Ship, 14,080 teu | Hyundai HI, Ulsan | 2015 - 09 |
| 16 | YM Width | Container Ship, 14,078 teu | CSBC Corp | 2016 - 05 |
| 17 | YM Welcome | Container Ship, 14,078 teu | CSBC Corp | 2016 - 08 |
| 18 | YM Efficiency | Container Ship, 4,252 teu | CSBC Corp | 2009 - 01 |
| 19 | YM Eternity | Container Ship, 4,252 teu | CSBC Corp | 2009 - 03 |
| 20 | YM Enlightenment | Container Ship, 4,662 teu | CSBC Corp | 2015 - 01 |
| 21 | YM Excellence | Container Ship, 4,662 teu | CSBC Corp | 2015 - 03 |
| 22 | YM Express | Container Ship, 4,662 teu | CSBC Corp | 2015 - 05 |
| 23 | YM Evolution | Container Ship, 4,662 teu | CSBC Corp | 2014 - 04 |
| 24 | YM Essence | Container Ship, 4,662 teu | CSBC Corp | 2014 - 07 |
| 25 | YM Success | Container Ship, 5,548 teu | CSBC Corp | 2004 - 07 |