Benefits of Being an AGSC Member​ Instant recognition and credibility with consumers and insurers alike as a company committed to proper auto glass installation and safety. Inclusion as an AGSC Registered Member Company on www.agsc.org and www.safewindshields.org (a locator service by which consumers find AGSC Registered Member Companies in their area). Discounts on AGSC technician certification tests. Three tests are included with your annual registration dues and additional tests may be purc