Numchai Ocean Transport provides a wide range of ocean transportation services including :-

1. Loading drinking water and gasoline for ocean ships and yachts anchored at Chalong Bay and other Phuket Bays.
2. Dredging channels for Harbours and Marinas.
3. Oceania construction work such as helpimg create artificial corals and laying cables.
4. Shipping materials and goods such as building blocks and food items.

Numchai Ocean Transport has in it's fleet tug boats, small cargo boats and barges. Their office is by the National Housing Authority in the district of Siray.