- Aboitiz One, Inc.
- Aboitiz Transport System Corp.
- Acerhomes Development Corp.
- ACP Test Co., Inc.
- Adchemy
- Alalay Sa Kaunlaran, Inc.
- Amkor Technology Philippines
- Angeles University Foundation
- Ark One
- Asia United Bank
- Asian Development Bank
- Asian Vision Cable Holdings
- Ascend Global Solutions
- ASEAN Centre for Biodiversity
- Ayala Systems Technologies, Inc.
- Bahay Financial Services
- Baker and McKenzie Global Services
- Banco De Oro
- Beacon International School
- Branders.com
- British School Manila
- Building Care Corporation
- CA Telemarketing, Inc.
- Cabanatuan City Water District
- Cambridge University Press
- Catanduanes State University
- CBK Power Corportation
- Chevron Philippines
- Chikka Philippines
- China Bank
- Codeworks.PH Inc.
- College of Marshall Islands
- City Governement of Bacolod
- City Governement of Iligan
- City Government of Las Piñas
- Cybersoft
- Datec PNG
- Department of Health
- Digisoft
- D&L Industries
- Dole Philippines
- E-Commerce Philippines
- Emerson Network Power
- Emerson Process Management
- EPLDT
- Epson Software Philippines
- eScience Corporation
- FEU – East Asia
- Financial Times
- Fortune Life Insurance
- Fujtsu Ten Solutions Philippines
- Globe Telecom
- GMA Marketing
- Govida Studios
- Gothong Shipping
- Greenfield Development Corporation
- Healthy Options
- Hewlett-Packard Asia-Pacific HK
- Holy Angel University
- Ibiden Philippines
- Ideyatech
- International Rice Research Institute
- Incuventure Partners Corporation
- Indra
- Ivoclar Vivadent
- Jardine Direct
- Jollibee Food Corporation
- Kanati
- KFORCE
- Land Bank of the Philippines
- Lawson
- LBC Express, Inc.
- LBP Service Corporation
- League of Business Builders
- Lufthansa Technik
- Manly Plastics
- Manulife Insurance
- Medical City Medicall Philippines, Inc.
- Meralco
- MSI-ECS
- Multimedia Exponents
- National Transmission Corporation
- Nokia Seimens
- NXP Semiconductors Philippines
- Open Books Corporation
- ON Semiconductor
- Orion Maxis
- Ortigas & Company
- OSRP
- Pepsi Cola Products Philippines
- Phil-Am Life Insurance
- Philippine Electricity Marketing Corp.
- Philippine Exporters Confederation, Inc.
- Philippine International Trading Corp.
- Philippine Rural Bank
- Philippine Savings Bank
- Philips Semiconductors Calamba
- PhilRice
- PLDT
- PLDT Global
- PLDT Employees’ Credit Cooperative Inc.
- Pointwest Technologies Corp.
- PRISM
- Prudentialife Plans, Inc.
- PJ Lhuillier
- Procter & Gamble Asia Pte, Ltd.
- Rivereo Inc.
- Rizal College of Taal
- Robinsons Bank
- Roshan Telecom of Afghanistan
- Rustan Supercenters
- Samsung
- San Roque Power Corporation
- Seachange International
- Seameo Innotech
- Security Bank
- Smart Communications
- Sony Life Insurance
- Sophie Martin
- SPI Global
- SPI Semicon
- Standard Chartered Bank
- St. Jude College
- St. Peter Life Plan
- Stradcom
- Stream Global Services
- Storm Consulting
- Subic Enerzone
- Sulit.com.ph
- Sunlife
- Team Pacific
- Technopaq
- Telus
- Temic Automotive
- Texas Instruments
- Theme Builders
- TIPCO
- Toshiba Storage Device Philippines
- Toyota Motors Philippines
- Tradeport
- Transcom Worldwide
- Trend Micro
- Union Bank of the Philippines
- Universal Robina Corporation
- USAID
- US Embassy
- UST – STEPS
- WESCOSA
- WeSolv Open Computing
- World Health Organization
- World Vision
- Xavier School
- Xurpas
- XyberSolutions, Inc.
