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Company Name
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Plant Name
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Subsidiary
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City
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State/Province
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| CRH | Hudson | Preferred Materials, Inc. | Hudson | Florida | | Smith's Ready Mix, inc. | Hot Springs | | Hot Springs | Arkansas | | Lehigh Hanson | Horseheads | Region North | Horseheads | New York | | Carew Concrete & Supply Co., Inc. | Horicon, Plant 15 | | Horicon | Wisconsin | | LaFarge Holcim | Hopkins St | Lafarge Ready Mix | Buffalo | New York | | Vulcan Materials | Hopewell | | Hopewell | Virginia | | Smith's Ready Mix, inc. | Hope | | Hope | Arkansas | | Superior Materials Holdings LLC. | HOOVER 02 | | DETROIT | Michigan | | CEMEX Inc. | Holmes | | Houston | Texas | | Howlin Concrete Inc. | Hollywood Plant | | Hollywood | Maryland | | Chaney Enterprises | Hollywood | | Hollywood | Maryland | | Ozinga Ready Mix Concrete | Hollywood | Ozinga South Florida | Hollywood | Florida | | CEMEX Inc. | Hollywood | | Los Angeles | California | | Consumers Concrete Corporation | Holland | | Holland | Michigan | | Lehigh Hanson | Hogansville | Region South | Hogansville | Georgia | | Lehigh Hanson | Hockley | Region South | Hockley | Texas | | Thomas Concrete | HIRAM | GEORGIA DIVISION | HIRAM | Georgia | | Chandler Concrete Co., Inc. | Hillsborough - 602 | Chandler Concrete Co., Inc. | Hillsborough | North Carolina | | CalPortland Company | Hillsboro Ready Mix Plant | | Hillsboro | Oregon | | MDU Resources | Hillsboro Plant | Knife River Corporation NW | Hillsboro | Oregon | | CRH AMAT | Hermiston, Plant #45 | CRH AMAT Riverbend Materials | Hermiston | Oregon | | U.S. Concrete | Hereford | Golden Spread Materials | Hereford | Texas | | Clyde Companies | Helper Plant | Geneva Rock | Helper | Utah | | CRH AMAT | Helena | CRH AMAT NWG | Helena | Montana | | Lehigh Hanson | Helena | Region South | Helena | Alabama |
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