Multidisciplinary Digital Publishing Institute (MDPI)
MDPI or Multidisciplinary Digital Publishing Institute is a publisher of open access scientific journals. Founded by Shu-Kun Lin as a chemical sample archive, it has established over 200 broad-scope journals.[2] MDPI is the largest open access publisher in the world and the fifth largest publisher overall in terms of journal paper output.[3] The number of published papers has been growing significantly in the last decade with year over year growth of over 50% in 2017, 2018 and 2019.

mdpi.com
MDPI
A commercial entity
Switzerland
Multidisciplinary Digital Publishing Institute (MDPI)
https://www.mdpi.com/about/contact
https://en.wikipedia.org/wiki/MDPI
No - but the current owners/custodians have contact information for data queries
https://www.mdpi.com/about/contact
Yes
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