'companies have responded to CCPA by making requests "as confusing and difficult as possible in new and worse ways."'
'Some have made it near-impossible to find these "data portals," which companies set up so users can request a copy of their data or delete it altogether. For now, California companies are still in a grace period — but have until July when the CCPA's enforcement provisions kick in. Until then, users are finding ways around it — by collating and sharing links to data portals to help others access their data.'
While many of us are not in California (thankfully, hhh), this hive-compiled suspect list is a good starting place for anyone.
List:
https://caprivacy.github.io/caprivacy/full/
Article:
Here's where California residents can stop companies selling their data | TechCrunch
https://techcrunch.com/2020/01/02/california-privacy-opt-out-data/