| Business | Phone |
| Hopkins Excavating Inc 1103 Marion St, Boone 50036 | (515) 432-2342 |
| Keller Excavating 1187 Mission Ln, Boone 50036 | (515) 432-4406 |
| Rose Construction Co Inc 210 Crawford St, Boone 50036 | (515) 432-2306 |
| Youngren Excavating 946 170th St, Boone 50036 | (515) 275-2939 |