Vendors like Intel, Google, and Qualcomm have all been part of the surge of investments in Internet of Things companies over the past several years.

According to new research by Ovum, telecommunications firms and other tech companies have spent more than $31 billion on Internet of Things-related investments and acquisitions from 2011 to 2015.

And IoT investments in 2016 have hardly gone cold; according to CB Insights, the first quarter of 2016 was one of the strongest quarters for IoT funding ever with $846 million in financing, a 31 percent increase in dollars quarter-over-quarter.

Click through the slideshow to view the top 10 most active venture capital firms in the Internet of Things space, based on research from CB Insights.