In its 2015 list of the 50 smartest companies, MIT puts Counsyl at #5

Massive solar panel factories. Fertility treatments. Friendly robots. Meet the companies reshaping the technology business.

To make the list, a company must have truly innovative technology and a business model that is both practical and ambitious, with the result that it has set the agenda in its field over the past 12 months.

As always, many newer, private companies can be found here, starting with No. 5, Counsyl, a startup whose cheap, automated DNA analysis is expanding from prenatal testing to cancer screening.