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  • John I Haas
    John I Haas
    (202) 777-4800
    5185 Macarthur Blvd NW Ste 300, 20016  Washington

    ...and we continue to truly love what we are doing. Founded in 1794, the Barth-Haas Group today is managed by the 7th and 8th generations of Barth family members. Our thinking spans generations. We are dedicated to our customers by providing reliable service and support in all aspects of hops. We s…

  • John I. Haas, Inc.
    John I. Haas, Inc.
    (202) 777-4800
    5185 Macarthur Blvd NW Ste 300, 20016  Washington

    The Barth-Haas Group is the world’s largest supplier of hop products and services. The Group is family owned and is active on all continents. It has offices and operations in Germany, the United States, United Kingdom, Australia and China.Represented in all major hop growing areas in the world, we …