Fisherton Mill was built in 1880 for W.Main & Sons Ltd. It had several functions, which included the bulk cleaning of seed corn and crushing of other grains. It's location was at the time ideal as it was situated directly on the Market House railway siding which ran from the station to the Market House which is now the City Library. It's other major function was to supply the company's shop in the market square(now the Portman Building Society) with smaller retail size quantities of animal feed, seeds and fertilisers. These were transported by horse and cart, using horses stabled at the Mill, in what are now our workshops.

The business was interrupted between 1914-1918 when the Mill was requisitioned by the War Department, as bonded warehousing for the Australian Army. After the war the Mill continued to operate in much the same way, adapting as it went to the various technological developments taking place. The railway and the horses were replaced by lorries and electricity became available for lighting and to power the machinery.

The business flourished from 1920 through to 1950, when at it's peak it employed 25 people in what was a very manual occupation. Most grain at that time was handled in 250 lb. sacks so it was only a job for the fit and healthy. The 1960's saw great changes in farming methods. Mechanisation meant corn could now be handled in much larger quantities. Now purpose built mill and storage silos were constructed and the economy of scale took effect. In spite of diversifying into horticulture, the inevitable happened in 1984 when , after much soul searching, it was decided to close the business.