EU commission
The EU commission owns and updates the list "EU_consolidated", which also covers sanctioned companies.
UN Security council
The UN security council owns and updates the list "UN_global", which also covers sanctioned companies.
BRREG, Brønnøysundregisteret
The official registry for company information
The authorization registry
The official registry for registered authorizations or powers of attorney
Bisnodes Credit scoring registry
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Bisnode also provides access to many of the other registries.