On Wed, 7 Oct 2009 07:46:40 -0700 (PDT), lukas989
wrote:

1. Volvo Penta
2. Yanmar
3. Nanni
4. Perkins
5. Bukh
6. Beta
7. Mermaid
8. Vetus
9. Thornycroft
10. Iveco

You left out Caterpillar, Cummins, John Deere. Or are you only
interested in puny engines for tiny boats?