GMC partners with heavy construction equipment lessors, land transport and shipping companies, and petroleum suppliers for its exploring, drilling, excavating, hauling, transport, and shipment activities for greater financial fluidity and operational leverage. Its partners in this supply chain include Monark Equipment Corporation, Maxima Steel Mills Corporation, Phil lua Shipping Lines, Caltex Philippines, and Shell Philippines.
As a trader and exporter of raw ore and processed pellets, it maintains collaborative partnerships with product processors like MCCI Corporation and China-based company Tewoo Metals International Trade Co., Ltd. It is currently seeking potential partnerships with Sino Metal (Shanghai) Co., Ltd.
