Ohio University Library has several excellent and brief tutorials on using SimplyAnalytics.
Trade associations can be excellent sources of industry information. They conduct consumer research and surveys of members, track relevant legislation and lobby government, publish trade magazines, etc. Check their website or call and ask what kinds of data are available. Some associations will have limited information available to nonmembers.
You can use associations listed in IBISWorld reports and/or try doing an internet search using keywords, e.g. medical device association.
When looking at the website, look for sections labeled research, statistics, publications, or information for the media. Be persistent!
Examples of trade associations with information on their website: