Orenstein & Koppel (normally abbreviated to "O&K" and later O&K KONE) was a major German engineering company that specialized in railway vehicles, escalators, and heavy equipment and was founded on April 1,1876 in Berlin by Benno Orenstein and Arthur Koppel.
Orenstein & Koppel (normally abbreviated to "O&K") was a major German engineering company specialising in railway vehicles, escalators, and heavy equipment. It was founded on April 1,1876 in Berlin by Benno Orenstein and Arthur Koppel.