Focus: seed and early-stage Northern California ventures involving e-commerce and software, networking and communications.

Investment strategy: Be the first venture investor in technology companies that seek to create new markets.

Investment focus on entrepreneurial companies in healthcare, information systems, telecommunications and retailing.

Investment focus on start-up and early stage Internet, software and healthcare companies.

Investment focus on capital for growth across all industry sections.

Provides financing to early-stage technology companies. Includes information on investors, portfolio and employees.

Firm provides early stage financing to leading edge technology companies.

Firm focused on early stage healthcare investing, including medical devices and diagnostics, biotechnology, and healthcare services companies.

Focus on early-stage funding in communications and Internet companies.

Investment focus on start-ups involving Enterprise and Internet Software, Communications and Networking, Technical Software, and Semiconductors.

Works with business owners, entrepreneurs and management teams to create value through structured private investments.

A mid-to-late stage technology-focused fund sponsored by Venrock Associates, TIF Ventures and U.S. Bancorp Piper Jaffray.

Investment focus on leading early-stage companies with advanced technology in information and life sciences.

Investment focus on expansion-stage private and growth-stage public companies in the information technology and life sciences industries.

Investment focus on full range of stages in information technology, health care and non-technology ventures.

Investment focus on early-stage ventures, and includes the KPCB Java Fund.

Provides venture capital financing in communications, Internet infrastructure, software, semiconductor, data storage, and computer hardware companies. Includes information on investments, management team and portfolio.

Investment focus on early-stage companies with a strong information technology component.

Investment focus on early-stage ventures and "middle market" management-led buyouts involving information technology, health care or industrial technology.

Investment focus on principally early-stage companies in information technology, medical and life sciences.

Focuses on mobile and IP related start-up business and technology.

Focus on early-stage investments in information technology companies, particularly e-commerce and communications infrastructure companies.

Focus on seed and early-stage technology and Internet investments in Silicon Valley.

Investment focus on primarily very early-stage West Coast technology companies.

A private venture capital firm focusing its investments on early and pre-public communications, software, and internet related content and infrastructure companies.

Investment focus on ventures of all stages, primarily in technology-based companies, but also non-technology. Other offices also in Boston, Massachusetts and San Ramon, California.

Investment focus on startups, expansion financing and management buyouts.

Investment focus on early-stage companies in three industries, computer software, electronic commerce, and communications.

Investment focus on companies headquartered in the Western United States in three sectors of industry: medical, technology and retail/consumer.

Venture capital arm of the Rockefeller family. Locations also in New York.

Investment focus on early and expansion stage information technology and life sciences.