PE  Key Bridge Partners

     Office Locations:

P.O. Box 70723
Bethesda, MD 20813
Phone: 202-558-3825
Fax: 202-903-0177



  • Middle Market



  • Communications & Networking
  • Energy & Clean Tech
  • Information Technology
  • Manufacturing & Industrial
  • Software & Internet
  • Storage & Hardware
  • Transportation & Distribution



    KeyBridge Partners is a results-oriented group of former Fortune 500 executives focused on acquiring and developing manufacturing and service companies with revenues between $5M and $150M. Key Bridge Partners acquires medium-size businesses from family, private, and corporate owners and maximizes their potential with the proper financial structure and management. Key Bridge Partners is actively pursuing acquisitions in targeted industries: Niche industrial and commercial machinery; Engineered electro-mechanical products and systems; Electronic and electrical equipment and components. Key Bridge does not invest in companies in commodity chemicals and natural resources, high technology, real estate or retail. Key Bridge targets companies with $5M to $150M in revenue and EBITDA above 5%. The firm targets companies headquartered in the U.S.; an international presence is preferred, but not required.

    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.
    Joe Chih-Pung Nieh Associate
    Richard H. Bogan Senior Operating Executive
    Robert Maruszewski Co-founder and Partner


    Portfolio companies include:

      Magic Wand
        web link

      U.S. Para Plate
        web link


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