| Business | Phone |
| Robertson Construction Co 1666 County Road 321, Poplar Bluff 63901 | (573) 785-6697 |
| Robertson Inc Bridge & Grading 1032 E Outer Rd, Poplar Bluff 63901 | (573) 686-2464 |
| Highway Dept-Maintenance 3568 Highway 67 N, Poplar Bluff 63901 | (573) 840-9780 |