Levkados Materials Corporation, (Greek: Λευκάδος Υλικών εταιρία, Lef̱kádos Ylikó̱n etairía; French: Lefkados matériels la Société) or LMC in English, is a Diadochian company. It is one of the core companies of Levkados Group. Unlike many of its sister companies in the group, Levkados materials is only listed on the Piraeus Stock Exchange and not the Atlantis one.