AFP: Armed Forces of the Philippines
ATO: Air Transportation Office
BFAD: Bureau of Food and Drugs
BIR: Bureau of Internal Revenue
BSP: Bangko Sentral ng Pilipinas
CCP: Cultural Center of the Philippines
CHED: Commission on Higher Education
COA: Commission On Audit
COMELEC: Commission on Elections
DAR: Department of Agrarian Reform
DBM: Department of Budget and Management
DECS: Department of Education, Culture and Sports
DENR: Department of Environment and Natural Resources
DepEd: Department of Educations
DFA: Department of Foreign Affairs
DILG: Department of Interior and Local Government
DND: Department of National Defense
DOF: Department of Finance
DOH: Department of Health
DOJ: Department of Justice
DOST: Department of Science and Technology
DOST-SEI: DOST-Science Education Institute
DOST-TAPI: DOST-Technology Application and Promotion Institute
DOT: Department of Tourism
DOTC: Department of Transportation and Communications
DPWH: Department of Public Works and Highways
DSWD: Department of Social Welfare and Development
DTI: Department of Trade and Industry
ERC: Energy Regulatory Commission
GSIS: Government Service Insurance System
HLURB: Housing and Land Use Regulatory Board
HUDCC: Housing and Urban Development Coordinating Council
ITECC: Information Technology and E-commerce Council
LTFRB: Land Transportation Franchising and Regulatory Board
LTO: Land Transportation Office
MMDA: Metro Manila Development Authority
MWSS: Manila Water and Sewerage Services
NAMRIA: National Mapping and Resource Information Authority
NAPOCOR: National Power Corporation
NBI: National Bureau of Investigation