Iino Kaiun Kaisha, Ltd. engages in shipping and real estate businesses worldwide. The company operates oil tankers, including very large crude carriers for the transport of crude oil and petroleum products; chemical tankers to transport liquid cargoes, such as petrochemical products, methanol, vegetable oil, ethanol, and lubricating oils; a fleet of large gas carriers that transport liquefied gases comprising liquefied petroleum gas (LPG) and liquefied natural gas; small gas carriers to transport LPG; and dry bulk carriers to transport coal for electric power generation, fertilizers, and wood chips for paper production. It also offers real estate services, including office leasing, building management, and warehousing services. In addition, the company provides photography studios and support for advertisers and magazine publishers. Further, it offers hall and conference center management, accounting and data processing, IT related, insurance agency, media, and shipping agency and ship equipment sale services. As of March 31, 2023, the company operated a fleet of 93 ships. The company was founded in 1899 and is headquartered in Tokyo, Japan.