Corporate hierarchy and corporate ownership information, encompassing subsidiaries, joint ventures, etc., can be found in several directory databases. Chief among them are
- LexisNexis Corporate Affiliations within LexisNexis Company Dossier.
Corporate Affiliations is considered the gold-standard of corporate hierarchy information.
- Mergent Intellect -- "Family Tree" structure from Dun & Bradstreet.
Search on a company and then click "Family Tree" tab for hierarchical information.
