He owns 60% stake in the said company. Another mining firm linked to the family of San Juan City Rep. Ronaldo Zamora is the Nickel Asia Mining Corporation that operates in Surigao del Norte, Agusan, and Palawan. Nickel Asia headed by Manny Zamora has been in mining business since late 1970s.
Tinukoy ng mga Lumad ang Sagittarius Mines Inc. (SMI) sa Tampakan, Sultan Kudarat; SR Metals Inc. sa Tubay, Agusan del Sur; Greenstone Mining at Taganito Mining na parehong matatagpuan sa Surigao del Norte ang siyang nakaaapekto sa kanilang pamumuhay at pamayanan.