| Business | Phone |
| Steelhead Marine Inc 5555 N Channel Ave # 6, Portland 97217 | (503) 286-4524 |
| Brouwer Enterprises 7720 Sw Macadam Ave # 11, Portland 97219 | (503) 245-4181 |
| Harbor Services Inc 2525 N Hayden Island Dr, Portland 97217 | (503) 286-4244 |
| Eckelhoff & Assoc Marine 1325 Nw 95th Ave, Portland 97229 | (503) 292-1782 |