Merrillville Hardboard Fabricators and Manufacturers 9250 Mississippi St Panel Processing, a manufacturer, supplier and distributor of: pegboard, pop (point of purchase) displays, chalkboard, markerboard, hardboard and particleboard. Panel also manufactures, kitchen andamp; bath cabinets, furniture, shelving and display andamp; tile boards. Merrillville IN Hardboard Fabricators and Manufacturers Panel Processing Inc www.panel.com Business Reviews Panel Processing Inc Testimonials