Lezama engaged in numerous other initiatives. He was among stakeholders of La Robla, a new railway line that linked Bilbao with León and Palencia;Proyecto Ferrocarril La Robla, [in:] Cofradia del Putxera service, available here, El País 18.05.03, available here Since the mid-1890s, during at least 20 years he was sitting in the executive board of the company.see e.g. Annuario de Ferrocarriles Espanoles 1897, available here In the 1910s, he was involved in engineering projects related to regulation of the Nervion River, vital for iron ore transportation and exploitation.La Correspondencia de España 23.05.15, available hereLa Actualidad Financiera 26.05.15, available here He held a seat in Consejo de Administracion of Banco de Comercio de Bilbao and in line with the rotating presidency scheme, periodically presided over this body, e.g. in 1899.Espana 1899, available here At least since the 1910s he was executive of Banco de BilbaoVida Financiera 20.07.13, available here an held its rotating presidency during numerous periods between 1915Heraldo Alaves 03.04.15, available here and 1924.La Correspondencia de Valencia 07.08.24, available here He also engaged in Sociedad Hispano-Portugesa de Transportes Eléctricos.the company was to export electricity from Duero-based hydro plants to Portugal, Madrid Cientifico 1918, available here Lezama was one of the co-founders and one of 12 members of the executive council,Pablo Díaz Morlán, El proceso de creación de Saltos de Duero (1917–1935), [in:] Revista de historia industrial 13 (1998), p. 183 and in Martiartu S.A., a maritime shipping enterprise.Annuario Garciceballos 1921–1922, available here The Lezamas invested also in construction works in Canada.in 1913 the Lezamas were in Consejo de Administracion of Sociedad Estudios y Obras de Ingeniería, a company engaged in works also in Canada, Madrid Cientifico 830 (1913), available here
