Below is a select list of databases provided by the IUB Libraries that can be used to investigate healthcare industries (market share, market size, trends, barriers to entry, outlook, etc.). A full list of databases that house industry information can be found here.
Frost & Sullivan
Market research for healthcare, IT, telecommunications, transportation, and electronics.
IBISWorld
Comprehensive U.S. industry reports, including hybrid and niche industries.
Passport GMID
Business intelligence reports for 350 markets and 207 countries. In some instances can get city level data.
Search Passport GMID using the link in the upper left corner, then filer by category name and geographic location (350 markets; 207 countries) to obtain specific data and analysis. Data depends on industry/market, but can include consumers, production, profitability, trade, employment, companies, buyers, and suppliers. In some cases, historical data and forecasts can be obtained (use "Change Time Series").