Annual

Data are collected between February and August.

By post mail

Legal unit

Enterprises satisfying at least one of the following criteria are exhaustively surveyed:
- Holding more than 1.2 million euros in equity securities;
- Employing more than 500 employees;
- Achieving turnover of more than 60 million euros (including French overseas departments);
- Being identified as the enterprise heading the group in the previous year's survey;
- Being held by foreign capital in the previous year's survey.