Scientific & Technological Service Institute
- Information and Communications Technology Office (ICTO)
- Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAG-ASA)
- Philippine Institute of Volcanology and Seismology (PHILVOCS)
- Philippine Science High School System (PSHSS)
- Science Education Institute (SEI)
- Science and Technology Information Institute (STII)
- Technology Application and Promotion Institute (TAPI)