| Subsurface Technologies PO Box 776 (503)324-3261 | Hyden George 384 Olalla Rd (541) 336-3538 | 4 C's Co Inc 184 Willow Way E (503)838-1787 |
| Emmanuel Earthworks Inc PO Box 553 (541)746-5630 | Koenig's KATS 34319 SE Kitty Kat Loop (503)637-3433 | Curtis Edmund 29947 SW Riverwood Dr (503) 650-1250 |
| Mid-Columbia Excavation Inc 535 NE Columbia Ave (541) 481-5531 | Dirtco Inc 17342 S Potter Rd (503) 631-8180 | Cunningham Excavating 35303 Lyngstad Heights Ln (503)325-3259 |
| Birch Creek Construction Inc 84945 Humbert Ln (541)938-3672 | Mark Heuett General Contractor 77609 Grouse Creek Ln (541)828-7878 | K & K Custom Land Development PO Box 21060 (503)393-6130 |
| Columbia Excavation PO Box 1176 (541)386-6001 | Childress AB Builder 248 E Elliott Way (503) 436-2645 | Grande Ronde Construction Co 2710 N Depot St (541)963-5583 |
| Central Coast Excavating Inc 671 NE Newport Heights Dr (541)265-5792 | Beaver Bark Inc 54000 W Lane Rd (503) 543-3000 | Custom Excavating by Dean Larson Inc 34661 Airport Ln (503) 861-6030 |
| Portable Rock Production 34940 Highway 58 (541) 747-0790 | Sisters Aggregate 17204 Highway 126 (541)548-0569 | Birch Creek Construction Inc 84945 Humbert Ln (541) 938-3672 |
| Green Diamond Sand Products 16333 SE Safeway St (503) 650-9882 | R & J Earth Boring 5575 Table Rock Rd (541)664-1819 | Agness Company 4236 Agness Rd (541) 247-6215 |
| Turner Excavating 84201 Walker Ln (541)432-4741 | Cline Butte Rock Pit 67585 SW Cline Falls Rd (541) 548-1455 | J L Arndt Construction Co PO Box 636 (503)666-7803 |
| Philip Barry Construction PO Box 373 (541)947-2263 | Jack Robinson & Sons Inc PO Box 5006 (541)382-4681 | Chetco Contractors Inc 17815 Gardner Ridge Rd (541) 412-9706 |
| Kurth Excavating 4055 Turner Rd SE (503)581-0925 | Duke Construction & Excavation 17860 SE Foster Rd (503)492-0530 | Port of Umpqua - Salmon Harbor Moorages Po Box 388 (541) 271-3407 |
| Steve's Backhoe Svc 618 Railroad Ave (541)889-3246 | Portable Hydraulic Dredging Inc 33100 SE Sofich Ln (503) 637-6590 | Pacific Excavation Inc PO Box 884 (541)726-7380 |
| Canby Sand & Gravel CO 24420 S Highway 99e (503) 266-5522 | Cinder Rock Construction & Excavation 14920 SW Bozarth Rd (541) 548-6740 | Pac West Excavating 92786 Kinser Ln (541)998-8829 |