Okada Group of Companies NigeriaLimited is a Holding Company who had more than 51 companies in itsconglomerate. The conglomerate cover the broadest spectrum of alleconomic activities such as aviation, Education, Shipping,agriculture, mining, oil exploration, construction, Estatemanagement, food and beverages, pharmaceuticals, and a lot more.Okada Group of Companies have been in existent for over FourdecadesStandard Stones Nigeria Limitedis one of the 51 companies under Okada Group of Companies NigeriaLimited. Standard Stones Nigeria Limited is into Mining and is aLimited Liability Company incorporated in Nigeria over 20 (twenty)years ago and has approved Mining License for Gold, Silver,Diamond, Aquamarine, Amethyst, Columbite, Kaolin, Salt, coal,Nickel, Talc, Tin, Lead/Zinc, etc.Â