GISMAN – 160 Years of Excellence in Marine Aids to Navigation
With a history dating back to 1862 through the B.B.T. company, GISMAN has played a vital role in the construction of iconic lighthouses and light stations across all continents. In the early 1990s, GISMAN pioneered the development of modular plastic navigation buoys, introducing rotationally moulded polyethylene floats that set new standards in durability and reliability.
Today, GISMAN provides comprehensive and highly dependable solutions for the maritime sector, combining technical expertise with operational consistency.











