Beriev Aircraft (also known as таганрогский авиационный научно-технический комплекс им. г. м. бериева, formerly Beriev Design Bureau) is an aircraft manufacturer specializing in amphibious aircraft. It provides aircraft for civilian and military purposes, as well as customized models. The company also conducts research in the fields such as theoretical and numerical aerohydrodynamics, fluid and gas mechanics, system engineering, structural materials durability, etc.