A Company Rich in History and Family Values.

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Our History

  • 1852
    Hahn Bro's, Inc. founded in Muscatine, IA, primarily as a farming operation by the Hahn family.
  • 1853
    Builders Sand & Gravel founded by Hans Koos in Davenport, IA.
  • 1860
    Builders Sand & Gravel is a key material supplier for the construction of the Rock Island Arsenal.
  • 1888
    W.G. Block is founded in Davenport, IA as a coal and Ice supplier.
  • 1890
    Henry Hahn builds a sand plant on Muscatine Island, the operation fails within a few years.
  • 1917
    Hahn Bro's, Inc. is the largest supplier of cabbage to the U.S. military in WWI.
  • 1920
    Robert Hahn designs and builds the world's first roller bearing mounted centrifugal sand pump. He declines to get a patent. Hahn re-enter's the sand business.
  • 1932
    Builders Sand & Cement acquired by Miss Ethel Delarue.
  • 1950
    Builders enters the ready mix concrete industry.
  • 1952
    Edwards Ready Mix founded in Geneseo, IL.
  • 1955
    Robert Hahn and his son Tom set up Hahn's first ready mix concrete batch plant in Muscatine.
  • 1980
    After Miss Delarue's passing, Builders is sold to Alter Corp.
  • 1984
    Tom Hahn sets up Hahn's first automated batch plant in Muscatine.
  • 1988
    Hahn Ready Mix acquires Grunder & Sons Ready Mix with locations in West Liberty, Wilton, Durant and Walcott.
  • 1991
    Hahn acquires Mercer County Ready Mix in Aledo, IL.
  • 1991
    Alter Corp sell Builders Sand & Cement to Ira Weindruch.
  • 1995
    Hahn sets up their first portable batch plant to service the construction of the IPSCO Steel Plant in Blue Grass, IA. The project consisted of over 90,000 cubic yards of concrete.
  • 1997
    Builders Sand and Cement acquired by Brian Hahn.
  • 2012
    W.G. Block Co. and Edwards Ready Mix acquired by Brian Hahn.
  • 2017
    Block Ready Mix Group And Builders Sand & Cement merged into Hahn Ready Mix.
  • 2017
    Hahn Ready Mix is selected to supply the concrete for the new I-74 Bridge in the Quad Cities. This will entail nearly 175,000 cubic yards, counting both the bridge and related projects.

Over 150 Years of Experience and Leadership.