SIAD Macchine Impianti and the SIAD Group SIAD Macchine Impianti is the company that heads the Engineering area of the SIAD Group, one of Italy’s leading chemicals groups, with a turnover in 2023 exceeding one billion euro, 70,000 customers and 2,278 employees worldwide. Founded in Bergamo in 1927, chaired and administered by Bernardo Sestini, it boasts a strong tradition and experience. The SIAD Group has offices in Europe and around the world and operates in the Industrial Gas, Engineering, Healthcare, Natural Gas and LPG sectors. The Engineering sector specializes in the design and construction of technological solutions worldwide, including: air separation units (ASUs), natural gas liquefaction plants (LNG), reciprocating compressors for process gases and air (including API 618) and oil-free reciprocating compressors for blowing rPET and PLA bottles, CO2 capture and liquefaction plants, biogas upgrading plants, biomethane liquefaction plants (Bio-LNG) and combustion systems.