Antonio Vázquez Romero

Telefónica Internacional operates as a holding company with interests in the telecommunications industry. The firm is based in Madrid.

IB Opco Holding SL operates as a holding company which interests in providing shares management and administration services. The company is headquartered in Madrid, Spain.

Hangar 51 Ventures by IAG (Hangar 51 Ventures by IAG) is a venture capital subsidiary of International Consolidated Airlines Group SA founded in 1900. The firm is headquartered in London, United Kingdom.

H2B2 Electrolysis Technologies SL is a technology company based in Madrid, Spain that specializes in providing hydrogen energy systems, services, and equipment. H2B2 offers a suite of products and services that cover the production and transport of hydrogen, with a focus on sectors such as industrial, energy storage, mobility, and residential. The Spanish company promotes, develops, designs, and manufactures hydrogen production systems, both centralized and distributed, and produces and sells hydrogen to interested parties. H2B2's proprietary water electrolysis technology enables the production of 100%% renewable hydrogen, which serves as an energy carrier. The private company was founded in 2016 and is led by CEO Florencio Ferrera.

Part of International Consolidated Airlines Group SA, Iberia LAE SA Operadora Unipersonal provides travel agency services. The private company is based in Madrid, Spain. Fernando Candela Perez has been the CEO of the Spanish company since 2023.