Philsaga Mining Corporation is the major customer of Skaff Construkt, Inc. since 2008. The company engages in the exploration and production of gold. It was founded in 2000 as a Filipino owned company. In December 4, 2006, it became a subsidiary of Australian company, Medusa Mining, Ltd.

Oceana Gold, Nueva Vizcaya commenced construction of the high grade copper Didipio Mine located in Nueva Vizcaya in June 2011 and was completed in the fourth quarter of 2012. Skaff Construkt was among the local contractors hired to undertake civil works of the mine facilities. The open pit mine design forecasts an average annual production of approximately 100,000 ounces of gold and 14,000 tons of copper in concentrate for an anticipated 16-year mine life. Commercial mining started on April 1, 2013

Apex Mining Co., Inc., in Maco Compostela Valley, Southern Mindanao has been operating for over 40 years. Its commercial operations started in 2009 after three years of rehabilitation and development. It is a Philippine registered corporation that is principally engaged in the business of mining gold, silver, copper, lead and other precious metals. Apex has been listed on the Philippine Stock Exchange (PSE) since February 26, 1970. Mapula Creek Gold Corporation and Mindanao Gold Limited together hold majority of the stock capital and manage the mine.

Oceana Gold Phils. Inc., Nueva Vizcaya

PASAR, Isabel, Leyte

Palm Concepcion Power Corporation, Concepcion Iloilo