Sources

Everything here comes from public registers and datasets. Each company page cites the exact registry, year and retrieval date behind its facts.

• Attorney General legacy Data Broker Registry (2020-2023) (CA), California Attorney General.
• CalPrivacy Data Broker Registry (CA), California Privacy Protection Agency.
• Data Broker Registry (CT), Connecticut Department of Consumer Protection.
• Register of Data Intermediation Services (EU), European Commission.
• Data Broker License Registry (OR), Oregon DCBS / Division of Financial Regulation.
• Data Broker Registry (ch. 510) (TX), Texas Secretary of State.
• Data Protection Fee Register (UK), UK Information Commissioner's Office.
• Data Broker Search (Secretary of State) (VT), Vermont Secretary of State.
• Privacy Rights Clearinghouse and EFF data broker database, used as an independent cross-check (CC BY-NC-SA 4.0).
• Internet Archive Wayback Machine, for the archived California Attorney General registry.