Come to Lippincott Library and ask to be logged in to BizComps.
It contains sales data on over 5,000 small business transactions from across the U.S. The database is searchable by SIC code, word search, sale size, price, date, and geographical area.
Use the Companies & Deals search tool in PitchBook.
Go to Capital IQ (see access details), hover over the Screening menu and select Key Developments, then select criteria and click the View Results button.