PE/VC  Meidlinger Partners

     Office Locations:

3711 Market Street, Suite 800
Philadelphia, PA 19104
Phone: 215-701-3299
Fax: 215-557-0912



  • Expansion
  • Middle Market



  • Energy & Clean Tech



    Meidlinger Partners invests in, grows and develops water technology, product and service companies that have scalable solutions to address the world's water problems. Many of these problems are associated with cleaning water and wastewater in an energy efficient manner in and treating water and wastewater in order to meet governmental standards. Meidlinger provides late-stage venture and growth equity to private lower market companies in the U.S. and Western Europe. The firm seeks significant minority and control stakes in profitable and near-profitable companies in the water industry with annual revenues primarily in the $2 to $20 million range. The firm invests in companies with water technologies, products and services that serve the needs of government and privately owned water and wastewater utilities as well as industrial clients (such as companies that produce metals, wood, paper, chemicals, gasoline, oils, and power).



      Fund Name



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    Investment Firm Key

       VC = Venture Capital
       PE = Private Equity
       A = Angel
       I = Incubator
       MB = Merchant Bank
       VD = Venture Debt
       FI = Family Investment Office
       FOF = Fund of Funds
       ED = Economic Development Office   
       TT = Technology Transfer Office
       CVC = Corporate Venture Capital
       SEC = Secondary Purchaser
       HF = Hedge Fund/Mutual Fund
    Venture Capital
    Seed Stage
    (includes "pre-seed," or
    concept stage)
    No Revenue
    Early StageMinimal
    Growth Stage
    (also called Mid-stage)
    Expansion Stage
    (also called Late-stage)
    $7M and greater
    Private Equity
    Lower Middle Market$10M-$249M
    Middle Market$250M-$499M
    Upper Middle Market$500M-$1B
    Large Cap>$1B

    Investment Team:

    Name   Title
    Get the complete investment team + individual email addresses for investment team partners. Get personal images, LinkedIn links, investment specialties, office locations and more with a National Database subscription.
    Karen Meidlinger Founder and Managing Principal
    Kevin Brophy Founder and Managing Principal
    Michael Lynch Senior Associate
    Rudy Lutterschmidt Finance Advisor
    Tami Fratis Senior Advisor


    Portfolio companies include:

        web link

      Environmental Operating Solutions
        web link

      Liberty Hydro
        web link

      RedZone Robotics
        web link

      Triton Water
        web link


    Recent News: