The company I. HOUMAS SA initially had the name I. HOUMAS & CO OE.  based in Moschato and activity in the production and marketing of car batteries. In 1986 the headquarters of the company is transferred to Aspropyrgos, Attica, where the company's facilities are housed. In 1996 the company changes its legal form and name and becomes I. HOUMAS SA, and expands its activity in the production of secondary cast lead and its marketing.

I. HOUMAS SA is one of the few approved companies in the field of lead production through recycling of batteries and lead materials. It has all the necessary licenses for its legal operation, is registered in HMA (ID 45) and is contracted with the Alternative Re-Battery Management System.