To find research on specific companies, consults these databases.
Note that the amount of information that you can find depends on if the company is publically or privately held.
Broadcast Music Inc. (BMI)
Representing the recording industry around the globe, this site includes news, statistics, and viewpoints from industry leaders.
RIAA is the trade group that represents the U.S. recording industry. Its members are the record companies that comprise the most vibrant national music industry in the world. RIAA members create, manufacture and/or distribute approximately 85% of all legitimate sound recordings produced and sold in the United States.
Alt-rock icon Amanda Palmer believes we shouldn't fight the fact that digital content is freely shareable -- and suggests that artists can and should be directly supported by fans.