Everyone knows health services are in-demand. But Inc. 5000 companies in the sector are utterly thriving. According to the graphic below, they earned $28.1 billion between 2010 and 2013.

Crescendo Bioscience, a molecular diagnostics company focused on autoimmune and inflammatory diseases, is one of those companies. No. 8 overall on this year's list, Crescendo pulled in $27.3 million in revenue in 2013 alone. Right behind Crescendo Bioscence is Plexus Worldwide, whose health and wellness supplements generated $159.9 million in revenue that year.

IT is the second most thriving sector, thanks to Inc. 5000 standouts like CPSG Partners (No. 24) and Axtria (No. 32). While Axtria is known for providing data analytics and software products, CPSG offers cloud computing and security, as well as consulting services. 

The graphic below shows the total revenue per industry from 2010 through 2013. Click an industry's name for a full list of companies within its sector: