1950 – Foundation Pazaryeri (Köseoğlu Karoser- Deceased Hacı İbrahim Köse 1999)
1969 – Metal Joinery and repairs (İbrahim Köse and his sons)
1974 – Turntable Tractor Trailer
1975 – Manufacture of tractor trailer with dumb box
1979 – Manufacture of Tomurcuk brand garden tractor
1981 – Manufacture of earthmoving dump body and semi trailer
1983 – Manufacture of earthmoving dump body with tailgate
1989 -1991 Bozöyük Factory Launch (Köse Kardeşler Damper Makine San. ve Tic A.Ş.)
1993 – Hardox 400 (çelik sac)hafriyat damperi imalatı
1993 – Manufacture of Container Carrying Hook Lift
1997 – Acquisition of a new investment area of 57 000 squares meters
1998 – Manufacture of side tilting semi trailer
2002 – Manufacture of part washers (automotive industry)
2004 – ISO 9001-2000 quality management system
2005 – Traditional KÖSE events organized annually since 2005 (festivals and planting)