• Guardian
  • Dupont
  • Pilkington
  • Keller
  • Raico
  • Wurth


GUARDIAN Industriesis a privately-held industrial manufacturer of glass, based in Auburn Hills, Michigan. Giving its customers a break would never occur to Guardian, one of the world's largest glassmakers. With more than 60 facilities on five continents, it primarily produces float glass and fabricated glass products for the automobile and construction markets. It also makes architectural glass (mirrors), fiberglass, and automotive trim parts. Through its Guardian Building Products, the company operates one of largest building supply distribution centers in North America. www.guardian.com