Resources were covered in the live class sessions on October 26 & 28 are noted in bold text on this page.
All publicly-held companies in the US must file financial information with the SEC (Securities and Exchange Commission).
For more information, see the SEC's Beginners' Guide to Financial Statements.
EDGAR is freely available online.
Locating information on Private Companies can be difficult - especially financial information. The following databases will have some information. Tip: check multiple source to determine of the figures are accurate.