If you have any questions, please contact us at 509-483-1305 or acc@pro-msi.com

Welcome to the PRO MECHANICAL SERVICES INC Online Payment Portal


Please click ACH Payment to make a one-time payment.


You may click Create Account to register a Username for ongoing login capabilities to set up payment accounts, schedule single or recurring payment(s) and view payment history.


Your session will be closed after 30 minutes of inactivity to protect your account from unauthorized access.  If your session ends, please login again.