The plastics industry, which is located mainly around the city of Oyonnax, is a highly productive branch of the economy and enjoys an excellent reputation. The "Plastics Valley" comprises 10% of France's plastics industry which constitutes the highest concentration of plastics enterprises in Europe. The 349 enterprises which have settled here employ about 11,000 persons, more than a fourth of all employees of the tertiary sector (without public works). In the Oyonnax basin, three of four employments are directly or indirectly depending on the plastics industry.