If you would like to contact us: (By appointment only)

3671 Industry Ave. Unit A-4

Lakewood, CA 90712
email: info@lossaengineering.com
phone: (562)889-8389

Or, if you still actually write stuff down on paper,
this one's for mail only:
Lossa Engineering
6285 E. Spring Street #270
Long Beach, CA 90808