C3is Inc. provides international seaborne transportation services. It provides its services to dry bulk charterers, including national and private industrial users, commodity producers, and traders. The company owns and operates a fleet of two handysize drybulk carriers which transport major bulks, such as iron ore, coal and grains, as well as minor bulks comprising bauxite, phosphate, and fertilizers. C3is Inc. was incorporated in 2022 and is headquartered in Majuro, Marshall Islands.