| Business | Phone |
| Mc Kiness Excavating Inc 12 N Taft Ave, Mason City 50401 | (641) 424-4531 |
| Mc Kiness Excavating Inc 340 15th St Ne, Mason City 50401 | (641) 424-3504 |
| Navratil Excavating Po Box 1404, Mason City 50402 | (641) 423-6628 |
| Nielson Excavating Inc 712 S Jefferson Ave, Mason City 50401 | (641) 423-9451 |