Inline Fiberglass is a world leader in the development, design and application of fiberglass pultrusion technology. Inline’s leading product, thin walled fiberglass lineals are used in a myriad of applications. As a fully integrated manufacturing operation, Inline designs and pultrudes in-house standard and custom lineals and fabricates the Sovereign™ window series. Inline has offices and production facilities in Toronto, Ontario and Hazelton, Pennsylvania. Inline lineal products and production equipment are sold around the world.