Morgenthaler Ventures - http://www.morgenthaler.com/
Investment focus: early-stage ventures and middle market management-led buyouts involving information technology, health care or industrial technology
IDG Ventures - http://www.idgventures.com
Investment focus: information technology companies, preferring either seed or first-round financings, or very late (last before IPO) stage investments
General Catalyst - http://www.generalcatalyst.com/
Funds breakthrough ventures and backs exceptional entrepreneurs via capital, business building resources and strategic support.
Greylock - http://www.greylock.com/
Investment focus: all stages of corporate development for companies in the software, communications, and healthcare industries
Warburg Pincus Ventures - http://www.warburgpincus.com/
Providing investments in information technology, healthcare, media, communications, energy, financial and business services.
Technology Partners - http://www.technologypartners.com/
Focus: seed or first stage ventures involving information processing, communications or health care
TVM Techno Venture Management - http://www.tvmvc.com/
Investment focus: European and U.S. communications technology, information technology and biotechnology
Enterprise Partners - http://www.epvc.com/
Investment focus: privately held early-stage and emerging growth companies and selective leverage buy-outs of established companies.
Flagship Ventures - http://www.flagshipventures.com/
Investment focus: life science, information technology, and communications sectors.
Venrock Associates - http://www.venrock.com/
Venture capital arm of the Rockefeller family with investment focus: a high percentage of investments are seed or first round, and second round investments are considered where there is a complete management team and demonstrated progress toward market leadership
Bain Capital - http://www.baincapital.com/
Focus: venture and expansion capital for private companies and growth capital for public companies in a wide range of industries.
Outlook Ventures - http://www.outlookventures.com/
Investment focus: early-stage investments in consumer and business-to-business Internet services, intranet-based business applications, interactive tools, multimedia and telecommunications
Covalence - http://www.covalence.ch/
Focus: assessment of the contribution of multinational enterprises to human development in emerging and developing countries.
Institutional Venture Partners - http://www.ivp.com/
Investment focus: leading early-stage companies with advanced technology in information and life sciences, and selectively in later stage opportunities
JP Morgan Partners - http://www.chasecapital.com/
Investment focus: private equity for a global investment opportunities including management buy-outs and recapitalizations, venture capital, growth equity and equity to reduce excessive debt burdens.
Foundation Capital - http://www.foundationcapital.com/
Investment focus: start-ups in their formative stages, and all subsequent financings as a company develops, involving Enterprise & Internet Software, Communications & Networking, Technical Software, and Semiconductors.
Advanced Technology Ventures - http://www.atvcapital.com/
Investment focus: startup, first-round and later-stage investments in electronics, communications, software and health care.
TL Ventures - http://www.tlventures.com/
Investment focus: category-defining, early-stage companies in information technology, communications and biotechnology.
Tullis-Dickerson & Co. - http://www.tullisdickerson.com/
Investment focus: small and mid-sized emerging growth healthcare companies.
Matrix Partners - http://www.matrixpartners.com/
Investment focus: early-stage software and communications companies
FundingPost - http://www.FundingPost.com/
Raising venture capital by presenting to angel and venture investors.
Madison Dearborn Partners - http://www.mdcp.com/
Focus: management buy-outs, growth equity financing, recapitalization and acquisition-oriented financing.
CDC Capital Partners - http://www.cdcgroup.com/
Private equity investors in emerging markets.
Second Venture Corporation - http://www.secondventure.com/
Runs a proprietary venture exchange network to enable venture capital funds and angel groups to better manage their deal flow.
Summit Partners - http://www.summitpartners.com
Focus: profitable companies which are poised for continued growth in the fields of software, technology, information services, healthcare, and financial services
Technology Crossover Ventures - http://www.tcv.com/
Investment focus: growth capital to expansion stage information technology companies
Harris & Harris Group, Inc. - http://www.hhgp.com/
Venture capitalist investment company which supports private investee companies. (Nasdaq: HHGP).
EnerTech Capital - http://www.enertechcapital.com/
Investment focus: profitable service and technology companies related to utilities and the broader energy marketplace but will also consider early-stage.
DragonVenture - http://www.dragonventure.com/
Focus: cross-Pacific venture capital, consulting and merger and acquisition company.