Founded in Erie in 1954, Haysite Reinforced Plastics formulates and processes thermoset fiberglass composites for demanding insulation, corrosion-resistant and lightweight structural applications. Its 103,000-square-foot operation combines in-house material formulation, custom molding and pultrusion with a testing laboratory that can validate every product it makes. Now a member of the Isovolta Group, Haysite serves power, transportation and industrial customers in 30 countries.
UL Recognized
NEMA
MIL-SPEC
UL
Quality certification
Premix-Hadlock Composites, LLCPremix-Hadlock Composites, LLC manufactures custom fiberglass- and carbon-fiber-reinforced thermoset products, drawing on more than 60 years of industry experience. The company provides molding and related engineering support from product development through production, and operates two advanced molding facilities in Ohio.CONNEAUT, OH
Liberty PultrusionsFrom its Pittsburgh-area plant, Liberty Pultrusions manufactures engineered fiberglass-reinforced plastic (FRP) pultrusions, including structural profiles, electrical shapes and custom continuous-section parts. The U.S.-based company has worked in pultrusion for more than 40 years and has produced over 200 custom-designed shapes, backed by internal precision machining and structural fiberglass fabrication. Its corrosion-resistant, lightweight composites are used where steel, aluminum or timber would be vulnerable to rust, conductivity or weight.PITTSBURGH, PA
Composites USA, IncFounded in 1982 in Wilmington, Delaware, Composites USA manufactures engineered fiberglass-reinforced plastic (FRP) and dual-laminate equipment for corrosion-resistant industrial applications. The company is now based in North East, Maryland, where it reports a 50,000-square-foot manufacturing facility; its history includes the 1994 acquisition of Jones & Hunt, extending its experience in the field to the 1950s. It also provides engineering and field installation, inspection, and repair services for its equipment.NORTH EAST, MD
Superior Huntingdon CompositesBorn from the 2016 consolidation of Superior Composites and Huntingdon Fiberglass Products, Superior Huntingdon Composites makes glass-fiber continuous filament mat and surfacing veil materials for composite manufacturers. Its Pennsylvania facility—known as the birthplace of continuous filament mat—has produced fiberglass reinforcements for more than 70 years, while the company’s Kentucky and Pennsylvania operations now serve customers around the world. With more than 575,000 square feet of manufacturing footprint, Superior Huntingdon can also tailor materials to individual production requirements and offers recycled-content mats and veils.HUNTINGDON, PA