From the website:
The CorpWatch API uses automated parsers to extract the subsidiary relationship information from Exhibit 21 of companies' 10-K filings with the SEC and provides a free, well-structured interface for programs to query and process the data.
Bulk downloads available, as well as access through an API.
Source code is GPL, data is provided without restrictions
|Autor||Greg Michalec and Skye Bender-deMoll for CorpWatch|
CorpWatch. Greg Michalec and Skye Bender-deMoll for CorpWatch.
Retrieved 17:06, May 22, 2013 (UTC).
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