The company is privately held with investments from leading venture capital firms and corporations:

Accel Partners is a venture capital firm dedicated to helping outstanding entrepreneurs build world-class technology companies by providing a unique mix of investment and operating experience to its portfolio companies. Accel focuses intensively on building high-performance teams that can achieve exceptional results and manage extreme growth. Accel also explicitly helps its portfolio companies identify and recruit strategic corporate partners to accelerate their market acceptance. Accel has over 1.4 billion under management focused on early stage investments in the Internet software, e-commerce, rich media, networking equipment and commincation services sectors.

Bessemer Venture Partners, with offices in California, Massachusetts and New York, is the leading national, early-stage venture capital firm in communications technology and Internet infrastructure. The firm manages more than a billion dollars of venture funds, carrying on a tradition of hands-on, active venture investing that has continued since 1911. Many leading-edge communications companies, including Cascade, Ciena, Flarion, OMM, Parametric, QED, Sirocco, Sonus Networks and VeriSign selected BVP as their early-stage venture partner.

Lucent Venture Partners, LLC. is the wholly owned venture capital subsidiary of Lucent Technologies, with offices in Palo Alto, Calif.; Waltham, Mass.; and Murray Hill, N.J. Formed in 1998, the group invests in early-stage technology companies in high-growth communications areas such as optical, data, and wireless networking, semiconductors, communications software, professional services and e-commerce.

Meritech Capital Meritech is a late-stage venture capital firm dedicated to building technology companies of lasting value by providing efficient access to expansion stage capital for rapidly-growing companies with differentiated technology. Meritech leverages a broad network of individuals and the network of companies within our portfolio to create strategic and business opportunities for our investments.

Since inception in 1999, Meritech has raised $2.3 billion in several funds, and has invested in more than 80 companies including Salesforce.com, Topspin Communications, IntraLase, Corvis, Vonage Holdings, 2Wire and many other category and technology sector leaders.

Net Market Partners (NMP) was founded to catapult business-to-business e-commerce companies into leadership positions. NMP helps Internet businesses meet mission critical business challenges at Internet speed through the strategic advice and market knowledge of its founders and collaborative connections with NMP's Strategic Network, Advisory Network and Capital Network. NMP's value added services consist of strategic advice to optimize business models, market knowledge, market visibility, best practices and access to software partners, venture capitalists, and investment firms through out a Net market's lifecycle. NMP is headquartered in Burlingame, California.

Prism VentureWorks, Westwood, MA, is a leading venture capital firm with early-stage investments in communications, Internet business infrastructure and healthcare. Since inception in 1996, Prism has rapidly gained industry recognition through the firm's high-visibility investment strategies. With approximately $800 million in capital under management, Prism's growth reflects the extensive entrepreneurial expertise of its partners, a hands-on approach to working with portfolio companies, an integrated network of investors, and access to growing pool of highly-skilled entrepreneurs.

Vesbridge Partners, LLC is the former networking team of St. Paul Venture Capital. We invest in early-stage companies in the networking & IT infrastructure industries, and work with outstanding entrepreneurs in creating new category-defining companies.

Symphony Technology Group is an enterprise software investment firm offering a unique blend of technology, venture funding, partnering, marketing, and corporate finance expertise. Led by experienced software operators and entrepreneurs, we strive to make trajectory changing impact on the most important dimensions of building successful companies in the software space: hiring key management team members, identifying and developing "game-changing" strategies and executing flawlessly against these strategies.