Approximately 2,500 people in the Lahti region are employed by the food industry which is heavily based on companies that use grain as one of their raw materials. In fact, Lahti is home to Finland's most extensive and diverse grain cluster network, which represents the entire chain of grain processing from the field to the consumer’s table. The active network of companies includes notable Finnish brands and smaller, innovative actors in the sector.
The Päijät-Häme grain cluster functions as a cooperation network for the grain producers and related industry in the area.
As a branch of food industry, grain-processing industry is both traditional and modern. Its significant focus in the Lahti region has been research and development.