APX acquired Itogon-Suyoc Resources, Inc. (ISRI) in June 2015, becoming the assignee-company of all mining assets of the former Itogon-Suyoc Mines, Inc. (ISMI) —The Sangilo Mine in Itogon and the Suyoc Mine in Mankayan, both located in Benguet Province, and the Benit Claim in Labo, Camarines Norte. In 2022, the Sangilo Mine was in the upgrading stage of its Mill plant. The Mine was able to produce an average 440tpd. It is ISO 14001:2015 (Environmental Management System)-certified by TUV Rheinland. The scope of the certification is exploration, mining and processing of gold and silver ore for Sangilo & Suyoc minesite. In March 2022, ISRI was presented with the Safety Seal by the Department of Labor and Employment – Cordillera Administrative Region. ISRI was the first mining company in CAR to be given this seal of approval. ISRI actively contributes to the social development by undertaking community activities/services like financial assistance for health concerns, facilities and medical professionals, access and support to local schools, livelihood programs for local residents, assistance to socio cultural activities, and assistance to infrastructure development and facilities improvement. ISRI manifests its commitment to sustainable environmental management and protection campaign through programs and projects like reforestation, TSF raising and enhancement project, slope stabilization, regular road backfilling and grading, regular water sampling, construction of filtration and settling pond at L1300 drain tunnel, clean-up of Ambalanga River, hauling/treatment of residual and hazardous waste, implementation of stack emission test, ambient air quality monitoring and work environment monitoring. One of the tree species ISRI propagates in its nursery is the Benguet Pine, coffee, rain trees, palm trees, rambutan, avocado, and other flowering & ornamental plants, with 3011 seedlings of Benguet pine, Coffee, and Bamboo donated to several reforestation programs.