The FOCSA Building is a residential block in the Vedado neighborhood of Havana, Cuba. It was named after the contracting company Fomento de Obras y Construcciones, Sociedad Anónima, and the architects were Ernesto Gómez Sampera (1921–2004), Mercedes Diaz (his wife), and Martín Domínguez Esteban (1897-1970) who was the architect of the Radiocentro CMQ Building. The structural engineer was Luis Sáenz Duplace, of the firm Sáenz, Cancio & Martín, and professor of engineering at the University of Havana. The civil engineers were Bartolome Bestard and Manuel Padron. Gustavo Becquer and Fernando H.Meneses were the mechanical and electrical engineers respectively. It is located on a site bordered by Calles 17 and M and Calles 19 and N in the Vedado.