Materials and Road Research | Concrete engineering
Pre-qualified Colored Concrete Contractor / Installer List
| Contractor/Installer Name | Date of Pre-qualification |
|---|---|
| O'Malley Construction, Inc. | 2/27/17 |
| Minnesota State Curb & Gutter | 2/28/17 |
| Midwest Concrete Specialties, Inc. | 3/13/17 |
| Opp Construction | 3/28/17 |
| Doyle Conner Company | 3/29/17 |
| North Country Concrete | 3/29/17 |
| CF Fischer and Sons, Inc. | 3/29/17 |
| Stapf Concrete Construction Inc. | 4/14/17 |
| Hovland Inc. | 5/11/17 |
| Knife Lake Concrete, Inc. | 5/11/17 |
| Curb Masters, Inc. | 5/17/17 |
| Shafer Contracting Company, Inc. | 5/19/17 |
| S.M. Hentges & Sons Inc. | 7/10/17 |
| Chippewa Concrete Services, Inc. | 7/17/17 |
| Northland Constructors of Duluth, LLC | 12/1/17 |
| C. S. McCrossan, Inc. | 12/19/17 |
| Thomas and Sons Construction, Inc. | 2/8/18 |
| Pember Companies | 4/25/18 |
| Legends Concrete, Inc. | 12/26/18 |
| H & S Construction | 1/29/20 |
| Key Contracting, Inc. | 7/27/20 |
| Ti-Zack Concrete Inc. | 9/16/21 |
| Restoration & Construction Services, LLC | 3/21/23 | JL Theis, Inc. | 5/1/24 | Ultra Concrete | 5/14/24 |