The business was also involved with the shipbuilders Ostseewerft AG.[1] The company flag consisted of a blue saltire on a white background. The initials E, R and R, also in blue, were placed in the 2nd, 3rd and 4th quarters of the saltire.[2]
Ships
Chilean ship Micalvi, originally Bragi built by Ostseewerft AG for Emil R. Retzlaff in 1925. Currently a restaurant and museum ship in Puerto Williams.[3]
SS I P Suhr, originally Siegmund built by Ostseewerft AG for Emil R. Retzlaff in 1926. Sank off Sandhammaren, Sweden in 1950.[4]
