You can join OSAT online using a credit card or PayPal account. To begin, choose the appropriate Membership Level below and follow the instructions. You will be asked during the automated application process to agree with the terms found in our Annual Release and Indemnity Agreement. If you prefer to join by mail, click here to download the membership form. Mail the completed membership form and your check or money order to:
P.O. Box 53111
Bellevue, WA 98015
If you have any questions about OSAT membership, contact the Membership Chairman.