To inform growth/penetration and market dynamics, industry reports can be very useful. Here are research options through PSU library website. Students may access with PSU email.
IBISWorld:
Mergent Intellect: (private companies):
https://www-mergentintellect-com.ezaccess.libraries.psu.edu/index.php/search/index
Mergent Online (public and private):
https://www-mergentonline-com.ezaccess.libraries.psu.edu/basicsearch.php
Mintel Online (Industry Reports):