Custom Fiberglass Parts.
Built to Fit.
Made to Perform.
Getting the right fiberglass components shouldn’t mean extra work on your production floor. Fiberglass Specialties manufactures custom parts built around your product’s requirements, with precision that reduces trimming and finishing. From standalone parts to components ready for assembly, we help you build a better finished product.
Get fiberglass parts shaped around your needs. We manufacture standalone parts and components for assembly, giving you flexibility to build your finished product.
Our closed molding processes produce consistent parts with less trimming and finishing, helping simplify assembly and reduce extra work on your production floor.
Extend the life of your fiberglass equipment with repairs for utility buckets, vehicle bodies, agricultural components, and more.
Who we are
Your Custom Fiberglass Manufacturing Partner
Fiberglass Specialties, Inc. is a custom fiberglass manufacturer in Watertown, South Dakota, serving manufacturers, distributors, and businesses nationwide. We specialize in fiberglass parts, composite components, closed molding, custom molds, and fiberglass repair, helping customers turn unique project requirements into quality products built for their application.
Discover Fiberline
Fiberline, a division of Fiberglass Specialties, manufactures durable fiberglass utility truck bodies designed for professionals who depend on their equipment every day. Built with the same fiberglass manufacturing expertise and attention to quality that has defined Fiberglass Specialties, Fiberline offers purpose-built solutions for demanding work environments.