| 1726 | Rörstrand was established in Stockholm by order of King Fredrik I. | |
| 1790 | Johan Friedrich Hackman, a German, established a trading house in Vyborg. | |
| 1793 | The commercial collegial body granted a permit to establish a glass foundry to Captain Jacob Wilhelm De Pont and Harald Furuhjelm, secretary, who established the Nuutajärvi glass factory. | |
| 1873 | Rörstrand established the Arabia factory in Helsinki. | |
| 1876 | Hackman established a cutlery factory near Vyborg. | |
| 1881 | P.M. Abrahamsson established a glass factory in the village of Iittala. | |
| 1888 | G. Nilsson and L. Johansson established a company called Nilsson & Johansson, later Nilsjohan. | |
| 1891 | Cutlery factory operations started up in Sorsakoski. | |
| 1924 | Hackman started manufacturing knives from stainless steel, and complete cutlery sets a few years later. | |
| 1950 | The manufacture of steel pots and pans started in the early 50´s. | |
| 1989 | Hackman bought the Høyang-Polaris factory in Norway, Nilsjohan and Skultuna in Sweden, and Klöverblad in Denmark. | |
| 1990 | Arabia, Rörstrand-Gustavsberg, and Iittala-Nuutajärvi transferred to the ownership of Hackman. The companies formed Hackman Tabletop. | |
| 1994 | Hackman Housewares and Hackman Tabletop merged into Hackman Designor. Hackman Designor bought Oy ALU Ab. | |
| 2000 | Hackman Designor Oy Ab changed its name to Designor Oy Ab. | |
| 2002 | iittala® was chosen as the international brand of the company Designor acquires BodaNova-Höganäs Keramik Ab |
|
| 2003 | Designor Oy Ab's name was changed to iittala oy ab |
