Jose Joaquin Aldalur Aizpuru

Sociedad Concesionaria Autovia Gerediaga Elorrio SA engages in the construction of roads and motorways. The firm specializes in the execution of concessions, public works projects, and other transport-related activities. The company was founded on March 26, 2012 and is headquartered in Abadino, Spain.

Sistemas Y Tratamientos Automaticos SL provides IT systems consulting services. It offers helpdesk and technical assistance, information technology infrastructures and systems, software engineering, technological consultancy and audit, collaboration and mobility, technology innovation training, as well as human resources management. The company was founded in 1994 and is headquartered in Bilbao, Spain.

ADE Biotec SL engages in the provision of waste management services. It constructs and operates processing plants for the treatment and disposal of organic residues and wastewater. It also provides technical consulting, systems development, and implementation. Its client portfolio consists of businesses from the agricultural industry. The company was founded on May 29, 2000 and is headquartered in San Sebastian, Spain.