IRIS Lines, Inc., formerly IRIS Logistics, Inc., is the shipping division of the Royal Cargo Group. IRIS Lines engages in domestic and international maritime and transport services. It was established primarily to serve domestic and international shipping businesses to cater to the incoming and outgoing shipping needs of various locators within and outside the zone.

Iris Lines owns two (2) vessels with 1100 TEU capacity each. It has an approximately 4700TEU fully-owned container fleet consisting of 20-foot to 40-foot standard and high cube dry and reefer containers located in various container yards in the Philippines.