Answer

A Joint Venture "JV" is a business arrangement in which two or more parties form a strategic alliance for the purpose of accomplishing a specific goal.  Information regarding a Joint Venture is not always public.  Company press releases or filings with the SEC may include a description and or an agreement for JVs involving a public company.  It is useful to search the SEC filings of both companies since a JV may or may not be considered a material event and therefore not disclosed.  

Go to the Business Library's Company & Financial Information section for links to useful resources including links to the following suggested resource: 

Mergent Online: Provides options to screen on both completed and developing Joint Ventures for a specific company in the Company Details tab under the History tab, then select "joint venture" from the drop down Topic link.