Comsa, founded in 1891 in Reus and headquartered in Barcelona, is the privately held Miarnau-family Spanish rail infrastructure contractor specialising in track ACS Group · Acciona · News
Comsa, founded in 1891 in Reus and headquartered in Barcelona, is the privately held Miarnau-family Spanish rail infrastructure contractor specialising in track laying, electrification, signalling installation, high-speed rail civil works, and railway maintenance. With around 7,700 employees in 24 countries and EUR 987 million in FY2024 revenue, it is one of the largest pure-play rail contractors in Spain.