Sigdo Koppers S.A. (Sigdo Koppers) is engaged in providing construction services. It is a group of companies that operate in construction and industrial erection sectors. It provides services that include engineering, civil works, and electromechanical erection. The other services include hydrogen production plant, rock fragmentation and manufacture of automobiles involved in construction. Sigdo Koppers offers its services through the companies, Ingenieria y Construccion Sigdo Koppers, Puerto Ventanas S.A., Enaex S.A., Sigdopack S.A. and others. It operates in Latin America with its headquarters at Santiago, Chile and employs 10,783 people.