| Business | Phone |
| Unisource Manufacturing Inc 8040 Ne 33rd Dr, Portland 97211 | (503) 281-3781 |
| Associated Hose Products Inc 4444 Ne 148th Ave, Portland 97230 | (503) 257-4673 |
| Premier Rubber & Supply 9841 N Vancouver Way, Portland 97217 | (503) 285-4697 |
| Dixon Valve & Coupling Co 2642 N Marine Dr, Portland 97217 | (503) 239-0623 |
| Pacific Hose & Fittings Inc 8405 N Albina Ave, Portland 97217 | (503) 286-2222 |
| Fluid Connector Products Inc 3342 Nw 26th Ave, Portland 97210 | (503) 228-0190 |