Exhibit 21
SUBSIDIARIES OF THE REGISTRANT
Name of Subsidiaries | State of Incorporation | Names Under Which They do Business |
Beaver Lake Concrete, Inc. | Arkansas | Beaver Lake Concrete, Inc. |
Capitol Concrete Products Co., Inc. | Kansas | Capitol Concrete Products Co., Inc. |
City Wide Construction Products Co. | Missouri | City Wide Construction Products Co. |
Concrete Enterprises, Inc. | Kansas | Concrete Enterprises, Inc. |
Concrete Materials, Inc. | Kansas | Concrete Materials, Inc. |
Dodge City Concrete, Inc. | Kansas | Dodge City Concrete, Inc. Concrete Industries |
Joplin Concrete Company, Inc. | Missouri | Joplin Concrete Company, Inc. |
Kansas Sand and Concrete, Inc. | Kansas | Kansas Sand and Concrete, Inc. |
Monarch Cement of Iowa, Inc. | Iowa | Monarch Cement of Iowa, Inc. |
Salina Concrete Products, Inc. | Kansas | Kansas Building Products Salina Concrete Products, Inc. |
Springfield Ready Mix Co. | Missouri | Springfield Ready Mix Co. |
Tulsa Dynaspan, Inc. | Oklahoma | Arrow Concrete Company Tulsa Dynaspan, Inc. |