Communications
Since the firm’s founding over 20 years ago, we have invested in some of the most innovative and significant technology companies of our time. Sigma knows what it takes to help entrepreneurs turn creative ideas into sustainable businesses.
 | Certeon, Inc Certeon provides Application Intelligent Networking, increasing the speed security, and scalability of WAN based enterprise applications. The result is a significant reduction in application response times, improvement in user productivity, and enhancement in corporate data security for branch office workers. President & CEO: Peter Dougherty | Burlington, MA | ||
 | Peermeta, Inc. Leveraging the growing proliferation of digitized content, Web 2.0 enabled services and new wireless technologies, Peermeta is leading the charge into a new era of mobile innovation and user experiences by changing the way disparate forms of media are personalized, distributed and consumed. President & CEO: Jim Ricotta | Acton, MA | ||
 | YouSendIt The trusted leader in digital content delivery - used by millions to securely send, receive and track large and important files. Offering convenient plugins, and subscription plans for individuals, businesses and enterprise organizations, YouSendIt is the solution for on-demand digital delivery. CEO: Ivan Koon | Campbell, CA | ||