Olvi, the last big independent beer brewery in Finland (other big Finnish breweries have been bought by multinational companies), has its factory and headquarters in Iisalmi.
Genelec, firm making high-quality active speakers used in recording studios worldwide, has its factory and headquarters in Iisalmi.
Normet, engineers and manufactures underground mechanized equipment for underground hard rock mining and tunneling works in its factory and headquarters in Iisalmi.
Profile Vehicles Oy, makes ambulances and police cars.
Iisalmi has its own railway station on the VR network. The line between Iisalmi and Oulu was electrified in December 2006, replacing diesel haulage of trains
