- K. N. Toosi University of Technology
- KAUST Catalysis Center
- KEPCO Research Institute
- KTH Royal Institute of Technology [Stockholm]
- Kansas State University
- Karabük University
- Karadeniz Technical University
- Key Laboratory of Energy Engineering Safety and Disaster Mechanics
- Key Laboratory of Marine Reservoir Evolution and Hydrocarbon Enrichment Mechanism, Ministry of Education
- Key Laboratory of Mineral Resources
- Key Laboratory of Petroleum Resources Research,
- Key Laboratory of Rock Mechanics and Geohazards of Zhejiang Province
- Key Laboratory of Tectonics and Petroleum Resources, Ministry of Education, China University of Geosciences
- Khalifa University
- Khalifa University for Science Technology [Abou Dabi]
- King Abdulaziz City for Science and Technology [Riyadh]
- King Abdullah University of Science and Technology [Saudi Arabia]
- King Abdullah University of Sciences & Technologie
- King Saud University [Riyadh]
- Korea Advanced Institute of Science and Technology
- Korea Institute of Geoscience and Mineral Resources
- Korea Maritime and Ocean University
- Kuwait University
- Kyushu University