SEI Customer Service Form

Use the form below to contact the SEMA Education Institute (SEI). Someone will respond to your request within 24 hours (Monday - Friday).

You can also contact SEI via phone at 909/610-2030 and speak to a Customer Service Team member immediately (Monday - Friday, 8:00 a.m. - 5:00 p.m. Pacific). If you would like to contact SEI via mail, please use the address listed below:

SEMA Headquarters
1575 S. Valley Vista Drive
Diamond Bar, CA 91765