Allen | Cummins | MAN | Stork |
Alpha-Diesel | Daihatsu | Mirrlees | Sulzer |
B&W | DEMP | Perkins | Uljanik |
Bazan | Deutz | Pielstick | Volvo Penta |
Bergen | Dorman | Ruston | Wartsila Vasa |
Blackstone | Gardner | Scania | Yanmar |
British Polar | Kvaerner | Skandiaverken | |
Caterpillar | Lister Petter | SKV |