| Business | Phone |
| Dorman Concrete & Foundation 5200 Old Millers Rd # 21, Columbia 65201 | (573) 443-0777 |
| Janssen Waterproofing Inc 2009 Shale Ridge Ct, Columbia 65203 | (573) 446-7144 |
| Janssen Waterproofing Inc 702 W Green Meadows Rd, Columbia 65203 | (573) 874-7144 |