There are three CST programs offered in State of Oregon:

Mt Hood Community College
26000 SE Stark St 
Gresham, OR 97030
https://mhcc.edu/SurgicalTechnology/

Linn Benton Community College
6500 Pacific Blvd SW
Albany, OR 97321
https://www.linnbenton.edu/educational-options/healthcare/surgical-technologist/index.php

Concorde Career College
1425 NE Irving St.
Portland, OR 97232
https://go.concorde.edu/portland/programs/surgical-technology/