According to WHO as of August 13, 2020, it guides the progress of clinical trials for 29 COVID-19 vaccine candidates.
Information on companies and products that are currently undergoing or planning phase 3 clinical trials are as follows.
(Refer to the attached file for details)

1.University of Oxford/AstraZeneca
2. Sinovac
3. Wuhan Institute of Biological Products/Sinopharm
4. Beijing Institute of Biological Products/Sinopharm
5. Moderna/NIAID
6. BioNTech/Fosun Pharma/Pfizer

* The assigned number does not indicate the order or progress of vaccine development.


source
https://www.who.int/publications/m/item/draft-landscape-of-covid-19-candidate-vaccines