Helios SA engages in the manufacture and trade of refractory products. It operates through the following segments: Refractory blocks, Construction bricks, and Refractory mortars. The Refractory blocks segment produces standardized, unstandardized, short, and long bricks. The Construction bricks segment offers dense, light insulating, red, and decorative bricks, as well as ceramic tiles and decorative ceramic stones. The Refractory mortars segment provides refractory building materials. The company was founded in 1885 and is headquartered in Astileu, Romania.