| Business | Phone |
| Borst Brothers Construction 597 21st St, Marion 52302 | (319) 377-7008 |
| Kruser Excavating 2566 5th Ave, Marion 52302 | (319) 981-3363 |
| Morris & Co 4512 Lakeside Rd, Marion 52302 | (319) 377-8283 |
| Finley Excavating & Grading 1240 Blairs Ferry Rd, Marion 52302 | (319) 377-4784 |
| Rathje Construction Co 4925 8th Ave, Marion 52302 | (319) 377-3179 |