Class B (3 to 4 Trucks) Ready Mixed Concrete Co., Missouri Valley
Class C (5 to 7 Trucks) Ready Mixed Concrete Co., Glenwood
Class D (8 to 14 Trucks) Manatt’s, Inc., Davenport
Class E (15 or More Trucks) Standard Ready Mix Concrete Co., Sioux City
The following 121 plants received certificates of recognition for having no OSHA-recordable injuries and no mixer truck incidents over $2,000 in 2020:
BARD Materials: Anamosa, Dubuque (West Plant), Dubuque (South Plant), Epworth, Guttenberg, Manchester, Strawberry Point
Cemstone Concrete Materials, LLC: Clarion, Emmetsburg, Forest City, Garner, Gilmore City, Northwood, Sac City, Storm Lake
Concrete Supply Inc.: Adel, Atlantic, Audubon, Boone, Carroll, Clarinda, Denison, Guthrie Center, Jefferson, Manning, Mt. Ayr, Perry, Red Oak, Winterset
Concrete, Inc.: Gifford, Hampton, Iowa Falls, Jewell, Marshalltown
Croell, Inc.: Allison, Calmer, Elma, Garnavillo, Greene, Janesville, Lansing, Lawler, Lime Springs, Marion, New Hampton, Nora Springs, Northwood, Portable, Postville, Riceville, Sheffield, Shellsburg, St. Ansgar, Stacyville, Sumner, Waukon, Waverly, West Union
CTI Ready Mix, LLC: Elkhart
GCC Ready Mix: Cherokee (N), Cherokee (S), Denison, Hartley, Hawarden, Ida Grove, Lake Park, Le Mars, Maurice, Moville, Onawa, Sergeant Bluff, Sheldon, Sibley, Sioux Center, Spencer
Ideal Ready Mix Co., Inc.: Bloomfield, Burlington, Centerville, Chariton, Columbus Junction, Corydon, Eddyville, Fairfield, Fort Madison, Houghton, Kalona, Keokuk, Keosauqua, Keota, Leon, Mediapolis, Mount Pleasant, North English, Ottumwa, Sigourney, Wapello, West Burlington
Manatt’s, Inc.: Adel, Belle Plaine, Blairstown, Brooklyn, Colfax, Dewitt, Grundy Center, Independence, Marshalltown, Montezuma, New Sharon, Newton, Oelwein, Ottumwa, Pella, Readlyn, Traer, Vinton, Waterloo (Mullan), West Des Moines, Williamsburg