Ferdinand Edwin Sy CoSeteng

First Philec Solar Solutions Corp. designs, manufactures, and sells solar electric power products. The private company is based in Pasig City, Philippines.

Part of Lopez Holdings Corp., First Philippine Electric Corp. is the top distribution transformer manufacturer in the Philippines for over 50 years. The company is based in Pasig City, Philippines. The Filipino company creates value and delivers solutions through its lowest total owning cost product and service offerings. First Philippine Electric is the pioneer and leader in transformer solutions in the country, with over 250,000 installations nationwide. It has been the preferred brand to the country's power utilities, commercial, and industrial businesses for over five decades. Ariel C. Ong has been the CEO of the company since 2007.

Grand Batangas Resort Development, Inc. is a private company that develops real estate properties. The company is based in Batangas, Philippines.

LF Logistics (Hong Kong) Ltd. offers logistics solutions for the footwear and apparel, fast-moving consumer goods (FMCG), food and beverage, and retail industries. Its services include DC management, transport management, freight forwarding, hubbing and consolidation, omni-channel services, order management and value added services. The company is headquartered in Hong Kong.

First Philippine Industrial Park, Inc. is a Filipino company that owns, develops, and manages industrial property. The private company is based in Batangas, Philippines and has subsidiaries in the Philippines.

Part of The Siam Cement Public Co. Ltd., Mariwasa-Siam Ceramics, Inc. is a leading tile manufacturer and brand in the Philippines. The company is based in Taguig, Philippines and offers a wide range of tiles for floors, walls, and bathrooms, as well as sanitary wares, brass faucets, and accessories. The Filipino company's website features design inspirations for different rooms and provides tips on tile installation, handling, and maintenance. Mariwasa-Siam Ceramics was acquired by The Siam Cement Public Co. Ltd. from The Keepers Holdings, Inc. on March 16, 2012 for $4.88 million.

First Philec Solar Corp. designs, manufactures, and sells solar electric power products. The joint venture company is based in Tanauan, Philippines. First Philec Solar was acquired by SunPower Corp. from First Philippine Electric Corp. on July 20, 2015 for $25.24 million.

Thermaprime Drilling Corp. was founded in 2010 and is based in Pasig City, Philippines. The Filipino company provides geothermal well drilling services and follows an Asset Integrity and Reliability philosophy to ensure their equipment is efficient and safe to operate. The private company's services include Well Construction Management, Well Drilling, Well Workover and Acidizing, Well Plug and Abandonment, Well Risk Assessment, Well Engineering, HSE Installation, Implementation, and Monitoring. The company is staffed by highly-skilled and well-trained engineers with an average experience of more than 20 years, many of whom were part of the original PNOC-EDC drilling team.

First Batangas Hotel Corp. engages in operating hotels. The company is headquartered in Batangas, the Philippines.

Part of Lopez Holdings Corp., First Philec, Inc. is a holding Filipino company that manufactures and distributes amorphous transformers. The company is based in Batangas, Philippines.

Part of Lopez Holdings Corp., First Balfour, Inc. is a construction services provider. The company is based in Parañaque City, Philippines. The Filipino company was founded in 1969. The CEO is Federico Rufino Lopez.

First Industrial Township Water, Inc. operates water supply systems. The private company is based in Sto. Tomas, PH.

First Industrial Township Utilities, Inc. provides utility services.

First Industrial Township, Inc. develops and operates real estate properties. The private company is based in Sto. Tomas, PH.

First PV Ventures Corp. functions as an investment holding Filipino company. The private company is based in Pasig, Philippines.