| Business | Phone |
| Boozer Construction 125 High Knoll Rd, Columbia 29223 | (803) 309-5491 |
| Gibbons & Assoc 110 Paces Brook Ave, Columbia 29212 | (803) 407-8111 |
| Hensley Grading Inc 226 Boswell Rd, Columbia 29203 | (864) 834-1911 |
| Irmo Grading & Clearing Inc 1910 Lake Murray Blvd, Columbia 29212 | (803) 781-1517 |
| L-J Inc 220 Stoneridge Dr # 405, Columbia 29210 | (803) 929-1181 |
| Richland County Public Works 3506 Fernandina Rd, Columbia 29210 | (803) 929-6000 |
| Richland County Public Works 400 Powell Rd, Columbia 29203 | (803) 576-2401 |
| Taylor Brothers Construction 2201 Atlas Rd, Columbia 29209 | (803) 776-5113 |