| Business | Phone |
| L & L Concrete Construction Maple Valley 98038 | (425) 432-0752 |
| Mc Clone Construction Co 28610 Maple Valley Hwy, Maple Valley 98038 | (425) 413-1440 |
| Mer-Con Inc Maple Valley 98038 | (425) 432-4781 |
| Stone Products Inc Po Box 110, Maple Valley 98038 | (425) 432-8696 |