| Rodico Inc., NJ, USA | BAT, London, UK | Gundlach, Oerlinghausen, D | ||
| Focke & Co., Hamamatsu, J | CME, Combe St. Nicholas, UK | Georg Menshen, Finnentrop, D | ||
| Kent Farm, Central Tilba, AUS | GIMA, Bologna, I | IASE, USA | ||
| Peter Keller, Ö, D | Enno Sembritzki, D | Peter K. Hertling, D |