Contact If you are interested in our services, partnerships, manufacturing practices, careers or other topics, don’t hesitate to reach out. WE WANT TO HEAR FROM YOU. Name *Email *SubjectChoose a subjectService InquiriesPartnerships InquiriesEmployment InquiriesOther InquiriesMessage * SUBMIT Headquarters Address DefenderSD Manufacturing 3443 Tripp Court San Diego, CA 92121 Phone +1 (858) 500-0015 Fax +1 (858) 768-6856