Rafael Montes Sánchez

Cementos Portland Valderrivas SA engages in cement and building materials manufacturing and has interests in real estate and financial services. It operates through the following segments: manufacture and sale of cement, concrete, aggregates, mortar and others. The company was founded in 1903 and is headquartered in Pamplona, Spain.

B 1998 SL operates as a holding company with interests in the construction sector. Through subsidiaries, it provides public sanitation, real estate development, and official vehicle inspection services. The company was founded on February 28, 1992 and is headquartered in Madrid, Spain.

FCC Construcción is the Fomento de Construcciones and Contratas group company that leads the Spanish building and services market. It has a wide experience accumulated over more than 100 years of history and specialises in building, which brings in about 56% of the group's total business. Its activities cover all areas of building and it is a reference in undertaking civil engineering (roads, railways, airports, water works, marine work) and building (residential and non-residential) both nationally and internationally. It also has proven experience in developing concession projects and also has a group of subsidiary companies dedicated to activities connected with the building sector (engineering, prefabrication, installations, etc).

Alpine Holding GmbH engages in the provision of services in various areas of the construction industry. The company was founded in September 1965 and is headquartered in Wals bei Salzburg, Austria.

FCC Environmental LLC provides environmental services and collects used oil. The company is based in Houston, TX. FCC Environmental was acquired by Heritage-Crystal Clean LLC from Fomento de Construcciones y Contratas SA on October 16, 2014 for $90 million.

Ethern Electric Power SA engages in the production and distribution of electricity. It engineers, constructs, and operates power generation facilities, such as wind farms, co-generation plants, and solar thermal plants. It conducts research and development projects in the fields of sustainable building and electric vehicle promotion. It also manages a portfolio of renewable resources, which include hydraulic, solar, and biomass energy assets. The company was founded on September 4, 2008 and is headquartered in Madrid, Spain.