1880-1976, manufacturer of machinery, Bad Homburg, Germany Maschinenfabrik Michael KAMPF KG 1880 - 1976
1828-1918, manufacturer of engines; manufacturer of agricultural machinery, Grantham, England R. Hornsby and Sons Limited 1828 - 1918
1842-active 1969, machinery manufacturer, Salford, Manchester Joseph Robinson and Company Limited 1842
