主な実績（Achievement）
| Date | Ship's name | Location | Works |
| Dec-22 | FRONTIER SKY | Wakayama Pref | In-water survey |
| Apr-22 | ISE | Wakayama Pref | In-water survey |
| Oct-21 | SOUTHERN VULTURE | Hiroshima Pref | In-water survey |
| Oct-21 | ZEN NOH GRAIN PEGASUS | Wakayama Pref | Vessels bottom survey |
| Sep-21 | YUSHAN BLOSSOM | Ehime Pref | In-water survey |
| Jul-21 | IGUAZU HIGHWAY | Wakayama Pref | In-water survey |
| Jul-21 | HOUYU | Kochi Pref | In-water survey |
| Mar-21 | MT Southern Robin | Hiroshima Pref | In-water survey |
| Oct-20 | NORD SAKURA | Wakayama Pref | In-water survey |
| Oct-20 | NIKKEI VERDE | Wakayama Pref | In-water survey |
| Sep-20 | Kaieimaru | Wakayama Pref | In-water survey |
| Jun-20 | GRAND ANIVA | Wakayama Pref | In-water survey |
| Feb-20 | GOLDEN GLORY | Okayama Pref | In-water survey |
| Feb-20 | HOKUTO | Osaka Pref | In-water survey |
| Jan-20 | GRAND ANIVA | Wakayama Pref | In-water survey |
| Aug-19 | PENTA | Kagawa Pref | In-water survey |
| Jun-19 | LA TONDA | Wakayama Pref | In-water survey |
| Apr-19 | CAPE EMERALD | Okayama Pref | In-water survey |
| Mar-19 | TATSUKI MARU | Wakayama Pref | In-water survey |
| Jan-19 | NOSHIRO III | WAkayama Pref | In-water survey |
| Nov-18 | SOUTHERN CROSS | Wakayama Pref | In-water survey |
| Nov-18 | QUEEN HALO | Kagawa Pref | In-water survey |
| Nov-18 | IKAN KEDEWAS | WAkayama Pref | In-water survey |
| Oct-18 | MEDI FIRENZE | Ehime Pref | In-water survey |
| Sep-18 | FORTUNE UNITY | Fukuoka Pref | In-water survey |
| Aug-18 | Blue Baie | Osaka Pref | In-water survey |
| Aug-18 | LOWLANDS KAMSAR | Wakayama Pref | In-water survey |
| Apr-18 | KEY PACIFICO | Wakayama Pref | In-water survey |
