Adasa belongs to Comsa Emte, the second largest unlisted Spanish group in the infrastructures and technology sector. Comsa Emte has a turnover of more than €2 billion and over 9,500 employees. With more than a century of experience behind it, Comsa Emte mainly operates in the fields of Infrastructures, Engineering and Systems, Environment, Services and Logistics, Concessions and Renewable Energy.

Comsa Emte has stable presence in 15 countries: Andorra, Australia, Algeria, Argentina, Brazil, Chile, Colombia, Spain, United States, France, Mexico, Peru, Poland, Portugal and Switzerland. The volume of business in the outside surpasses the 300 million euros.