Soprema

From its headquarters in Strasbourg, Soprema makes the materials that keep buildings watertight and insulated. Its core products are bituminous and synthetic waterproofing membranes, liquid-applied systems, and thermal insulation used on roofs and façades as well as below-ground structures. A French manufacturer at heart, Soprema now runs subsidiaries and production plants in several countries and employs more than 250 people.