*456 in CrunchbaseIncubators.txt, see [[Crunchbase_Database#Incubators_in_Crunchbase]]
*415 in INBIA_data.txt, see [[INBIA#Retrieve_Data_from_URLs_Generated]]
*1214(self-declared as incubators but actually many different things) 771 in angelList_companyInfo-selfdeclared.txt, see [[AngelList_Database#Parsing_Saved_AngelList_Pages]]. Note that the AngelList data also has angelList_employees.txt and angelList_portfolio.txt as associated files, and that there is a broader file of candidate incubators, angelList_companyInfo.txt is also available. For self-declaration, we insisted that they called themselves an incubator in either their headline or category, and did not call them self an accelerator, VC, or event. We also excluded virtual incubators and those doing social entrepreneurship. See the Excel spreadsheet for restrictions.
We also have three sources that have a mix of types: