Befesa SA is a service holding company, which engages in the collection and recycling of steel dust and aluminum residues. It operates through the Steel Dust Recycling Services and Aluminum Salt Slags Recycling Services segments. The Steel Dust Recycling Services segment collects and recycles hazardous waste generated in the crude steel production process using the electric arc furnace method. The Aluminum Salt Slags Recycling Services segment focuses on recycles salt slags generated by aluminum recyclers and spent pot linings. The company was founded in 1987 and is headquartered in Luxembourg.