After the Austro-Hungarian Monarchy concurred Bosnia and Herzegovina, the period that came after it changed many things in the country. They built roads, railways, factories, companies and many other things that would ease their life in a new land. Most of the owners of any kinds of businesses were Austrians. The Sušić Mill was no exception to that. An Austrian man, Mühlbacher built a mill using a part of on old one, improving it and adjusting to new technologies at the time and built two wheels to increase production. The purpose of the mill was first and foremost to grind grain into flower for the needs of the military which was stationed nearby, about 300 m upstream of Kočeva River, in a street now called Travnička street.

When the war started, the mill man Mühlbacher continued to fulfill the needs of the soldiers and produces flower for the occupants of the millitary barracks.

When he traveled to Austria in 1919, Mühlbacher sold the mill to the Sušić family, according to which the mill is known and the people know it exclusively as the Sušić Mill.

It was bought by Drago Sušić in 1919, renovated in detail, and built up an elevated building with it. Namely, according to other sources, Mühlbacher was the owner of the mill directly or indirectly until 1934.