Recommended databases for SWOT (Strengths, Weaknesses, Opportunities, and Threats) analysis research:
Business Source Ultimate - limit your results to SWOTs
Marketline Advantage - Do a company search and select SWOT on the right side of the screen.
ABI Inform (run a keyword search by "company name" and include the keyword "SWOT")
and:
Passport GMID (there are SWOTs inside, but they are a little hard to find). Search SWOT and your product as a keyword. The SWOTs will be inside industry reports.