On February 13, 2023 Interport realized one of its business strategies by acquiring a Shipping Company for Sea Transportation Services, namely PT Cotrans Asia (CTA) from Tripatra by 45% and 9.8% from PT Kalimantan Citra Bara. CTA was established in April 2004 and started operating commercially since October 2004. CTA operates at Tanah Merah Coal Terminal (TMCT) Kel. Janju, Kec. Tanah Grogot, Paser Regency, East Kalimantan. CTA serves PT Kideco Jaya Agung in terms of managing and controlling all transportation activities from TMCT to Adang Bay Transshipment and sending from barges to Bulk Carriers (geared & gearless) with stevedoring activities and using floating cranes.