Asfaltos Españoles S.A. (ASESA) is a Spanish refining company specialized in the production of bitumen and related petroleum products. Operating in Tarragona since 1965, the company processes heavy petroleum fractions to manufacture paving-grade binders and other bituminous materials used in road construction and industrial applications.
ASESA runs a dedicated bitumen refinery with associated logistics and storage infrastructure, supplying the domestic market. Operations are conducted under quality, safety, and environmental management systems aligned with industry standards for the petroleum and road materials value chain.
