Luxottica Group S.p.A. is an Italian eyewear conglomerate based in Milan. As a vertically integrated company, Luxottica designs, manufactures, distributes, and retails its eyewear brands all through its own subsidiaries. The company, presently organized as a subsidiary of EssilorLuxottica which formed when the Italian conglomerate merged with the French optical firm Essilor, is the world's largest company in its industry, both prior to and after its merger with Essilor.

Essilor International is an international ophthalmic optics company that designs, manufactures and markets lenses to correct or protect eyesight. Its headquarters is in Charenton-le-Pont, France.