| DOTR | DEPARTMENT OF TRANSPORTATION |
| PNR | PHILIPPINE NATIONAL RAILWAYS |
| C A A P | CIVIL AVIATION AUTHORITY OF THE PHILIPPINES |
| MARINA | MARITIME INDUSTRY AUTHORITY |
| LTFRB | LAND TRANSPORTATION FRACHISING & REGULATORY BOARD |
| NEDA | NATIONAL ECONOMIC AND DEVELOPMENT AUTHORITY |
| LTO | LAND TRANSPORTATION OFFICE |
| PCG | PHILIPPINE COAST GUARD |
| OTS | OFFICE FOR TRANSPORTATION SECURITY |
| MIAA | MANILA INTERNATION AIRPORT AUTHORITY |
| C A B | CIVIL AERONAUTICS BOARD |
| M C I A A | MACTAN CEBU INTERNATIONAL AIRPORT AUTHORITY |
| TRB | TOLL REGULATORY BOARD |
| OTC | OFFICE OF TRANSPORTATION COOPERATIVES |
| LRTA | LIGHT RAIL TRANSIT AUTHORITY |
| PPA | PHILIPPINE PORTS AUTHORITY |
| CPA | CEBU PORTS AUTHORITY |
| PMMA | PHILIPPINE MERCHANT MARINE ACADEMY |
| CIAC | CLARK INTERNATIONAL AIRPORT CORPORATION |
| MRT | MANILA RAIL TRANSIT |
