There is a filtering option where you can just view start-up companies, or industrial robot makers, etc. Just choose your view from the options box just below the map on the left side.
Finally, for those of you who might be asking how and why this chart came to be, it happened because as I originally attempted to invest in stocks in the industry I found that there was a serious lack of information available about the industry. Most companies are not publicly-traded; they are privately held with no requirement to provide information. Thus I began an intensive research project that took me to Japan, Korea, China, Germany, France, Switzerland and all over the Internet. My eyesight has suffered but not my mind. I love what I’m doing and finding out. In an effort to share my research I set up The Robot Report to track the business of robotics. Later I started the Everything-Robotic blog to supplement The Robot Report with periodic in-depth reviews and insights. Recently I produced a map showing the location of start-up companies involved with robotics. This map replaces that one because it shows start-ups in a bigger context: in perspective to the overall robotics industry itself. I hope you find it useful and illuminating.