If you're looking for research done in this area, or for background information, you could start with a literature search in the Business Source Complete database, or check out a local news source like Columbus Business First for news stories related to the topic or new business openings.
If you're looking to build a list of companies with this criteria, D&B Hoovers allows you to 'Search and Build a List' of companies, wherein you can specify under 'Company Type' -- 'Core Info' -- 'Diversity Status' that you're interested in women or minority owned companies specifically.