Despite its rural image the department of Ain is highly industrialised. In addition to a multitude of SME's, several big enterprises of international reputation are situated in Ain, such as: Roset-Cinna, Grosfillex, Volvo, Carrier, Smoby-Berchet, CIAT, Renault Trucks, Tréfileurope. With more than a third of all employees working in the industrial and public works sector, Ain is holding the 6th rank of all departments in regards to the degree of industrialisation and is the most industrialised department within the region Rhône-Alpes. The small and medium enterprises contribute most to the industrial development of the department. While enterprises with more than 500 employees represent only 27% of all industrial employment, the businesses with less than 100 employees count for 47%.