mpresa Sangalli Giancarlo & C. S.r.l, an avant-garde company in the ecological sector, with registered office in Monza and various service centers throughout Italy, has been present in the environmental services sector for over fifty years. The company operates nationally to provide primary public services, in compliance with the quality standards provided by the regulatory bodies, and with a view to sustainable development. Over the years, the company has progressively developed and has constantly expanded and improved its business until today it reaches an experience and excellent know-how in the environmental sector. The competence and knowledge of the Sangalli Company is such as to guarantee immediate answers to the most diverse problems in the range of ecological services. The experience of Impresa Sangalli has led the company to obtain the certification of the company quality system, in accordance with the UNI EN ISO 9001:2015 standard. Subsequently, the company also implemented management systems according to the UNI EN ISO 14000:2015 and OHSAS 18001 standards. The Sangalli Company, in addition to operating in a Quality, Environment and Safety management system, adopted the Organizational Management Model, pursuant to Legislative Decree 231 of 2001 and subsequent amendments and after a self-cleaning process, it obtained the Legality Rating at the end of 2018 with the maximum score of three stars. Impresa Sangalli has qualified and highly specialized technicians prepared to study the best solutions to customer problems, in compliance with current legislation and environmental protection and worker safety.