With its strong industrial tradition (3,600 companies, 52,900 employees, 36% of employment in the private sector compared with French average of 22.5 %), The Ain is developing genuine skills and know-how.

• Plasturgy : 10% of French plasturgy, 400 companies, 12,000 employees. The Ain is a focal point for skills and know-how in the plasturgy industry.
• Mechanical engineering - metallurgy, industrial coachbuilding and heavy goods vehicles : 900 companies, 21,000 employees. The sector represents 44 % of industry in the department.
• Agribusiness : 470 companies, 5,300 employees. Traceability - Quality - Innovation.
• Timber : 160 companies, 4,000 employees. 35% of the surface area of the Ain is covered by forest .
• Services to industry : 2,785 companies, 25,231 employees. The Ain offers industry all the services it needs on the doorstep.
• Medical industry : The medical industry in the Ain stems directly from the consolidation of local and regional know-how in the fields of plasturgy and mechanical engineering, as well as chemistry and pharmacy.
• Aeraulics : The aeraulics industry sector is developing around two of the world's leading companies in refrigeration equipment and aeraulics.
• Transport and logistics : In addition to its geographical situation at the heart of Europe and its remarkable road and motorway network, the Ain also benefits from a solid potential in terms of land.
• Electrical equipment, electronics and automatism : The Ain has become a genuine centre of skills and know-how in terms of connectivity then electrical and electronic equipment.