Jim Cramer spends a lot of time educating investors about the ways to make money in stocks of publicly traded companies. However, sometimes the only way to truly understand a trend controlling stocks is to take a look at smaller privately-held companies off the tape.

Cohealo is one of those private companies that is a fast-growing software company, and has taken the health care industry by storm. Its software allows different hospitals within the same health care system to share expensive surgical equipment, and ultimately save enormous amounts of money.