| Business | Phone |
| American International Valve 1876 Palisades Lake Ct, Lake Oswego 97034 | (503) 351-8081 |
| Ati International 412 Jefferson Pkwy, Lake Oswego 97035 | (503) 624-2610 |
| Chinook Trading Co 6285 Lakeview Blvd, Lake Oswego 97035 | (503) 968-8868 |
| Klc Intl 15800 Boones Ferry Rd, Lake Oswego 97035 | (503) 699-8685 |
| Klc Intl 6077 Lakeview Blvd, Lake Oswego 97035 | (503) 699-8685 |
| Neostalla System 15133 Quarry Rd, Lake Oswego 97035 | (503) 636-7684 |