Philips Semiconductors is an international production center for the assembly, testing, packaging and distribution of discrete semiconductors. Its product application widely covers consumer, automotive, telecommunication, data processing and other general industrial application. It is under the Philips Semiconductor Division of Royal Philips Electronic.

Philips is divided into four Business Fulfillment Groups (BFG), with each group further broken to several Line Operating Teams (LOT) acting as "Mini Companies". Support Groups are matrixed to service BFG. Both BFG and LOT function as self-directed teams and are accountable for financial and operational results. This structure allows for flexibility and responsiveness to customer requirements.

Its modern plant located in LISP I, Cabuyao, Laguna, occupies 30,000 square meters and employs over 4,000 staff. Continuous quality and productivity improvement is rigorously practiced via the Philips Business Excellence (PBE) model.

Texas Instruments (Phils.), Inc. (TIPI) is a manufacturing site of Texas Instruments (TI) Incorporated. As a manufacturing site, TIPI assembles, tests and packages semiconductor devices or integrated circuits (ICs) that come in various pin types and applications: ball grid array (BGA), quad flat pack (QFP), plastic lead chip carried (PLCC), plastic dual in-line package (PDIP) and flipchip.

Built in 1980 by the Dallas-based TI, TIPI has acquired about 20.2 hectares of land area, approximately one-half of the entire PEZA-Baguio. Currently, the company has a total gross space of 344,000 square feet of which manufacturing and administrative spaces occupy 213,000 net square feet. It has a headcount of 2,000 that comprise the administrative, engineering and production specialist population.

Its products are used in the following: telecommunications, automotive, notebook computers, DSP solutions, graphics, ATM data encryption, modems, image processing, multimedia, audio speech processing, decoders and networking. Its productivity is the highest among similar TI plant in the world. TIPI currently manufactures 70% of all cell phone microchips in the world.

ASTEC Power Inc. (Philippine Branch) is one of the eight manufacturing arms of ASTEC Power (USA) specializing on DC-DC and AC-DC switching power supplies used primarily for PC, printers, network servers, multimedia projectors, telecommunications, and industrial controllers. From a workforce of less than 500 people when it started in 1994, the company now has around 3,500 employees to support its operations. Assembly processes include Auto-Insertion/SMD, wave soldering and final assembly.

It has its own cable assembly to support its main production lines and is capable to manufacture a power supply with an output power of as low as 25 watts to as high as 1250 watts. API's main mission is to be the customer's first choice facility through flexibility, best manufacturing quality, competitive cost and reliable delivery.

The City of Makati, in the Philippines, is one of the sixteen cities that make up Metro Manila.

Makati is the financial center of the Philippines; it has the highest concentration of multinational and local corporations in the country. Major banks, corporations, department stores as well as foreign embassies are based in Makati. The biggest trading floor of the Philippine Stock Exchange is situated along the city's Ayala Avenue. Makati is also known for being a major cultural and entertainment hub in Metro Manila.

With a population of 529,039 Makati is the 16th-largest city in the country and ranked as the 41st most densely populated city in the world with 19,336 inhabitants per square kilometer. Although its population is just half a million, the daytime population of the city is estimated to be more than one million during a typical working day because of the large number of people who go to the city to work, shop, and do business.

PSi Technologies is a focused independent semiconductor assembly and test service provider to the power semiconductor market. Their vision is to be the global leader in power semiconductor manufacturing, most admired for its partnerships, people and performance. They are proud of their long-standing partnerships with most of the world's leading power semiconductor manufacturers, who include Infineon Technologies, Texas Instruments, ON Semiconductor, Philips and ST Microelectronics. Their more than 3,000 employees enable the company to provide cost effective and comprehensive package design, assembly and test services for power semiconductors used in telecommunications and networking systems, computers and computer peripherals, consumer electronics, electronic office equipment, automotive systems and industrial products.

PSi Tehcnologies proudly represents the Philippines as the only Philippine incorporated company that is listed in the US NASDAQ stock exchange under the trading symbols PSIT.