Eligible companies are those in the assembly industry. In practice, those belonging to the ISIC Rev. 4 codes between 25 and 30 (see table for details). Moreover, companies with more than 50 employees are preferred. This type of companies was chosen for three main reasons: financial and competitive strengths, sensitiveness and ability to adopt a variety of advanced manufacturing practices, and being among the first to bring in technological advances. Moreover having companies performing assembly processes make comparisons and benchmarking more meaningful also among different countries.