Searching for the best Non-Metallic Boxes? Alliedmoulded.com has been a leader in the design and production of non-metallic enclosures for over 60 years, and their “Non-metallic Boxes” product line at alliedmoulded.com is a testament to this legacy. Engineered for superior performance and durability, these enclosures are crafted from a proprietary, high-strength fiberglass-reinforced polyester material. Visit our site for more info.