GROENDYK MANUFACTURING CO., INC.

natural and synthetic rubber in the form of sheets, blocks, rods and extruded form for use in manufacturing; open cell neoprene sponge for use in the manufacture of cushioning, sound deadening, anti-vibration and shock-absorbing materials; silicone sponge sheeting for use in the manufacture of cushioning, sound deadening, anti-vibration and shock-absorbing materials; general purpose silicone rubber sealant; and molded grommets

cellular rubber overhead door seals

athletic and sports equipment, namely, hand exercisers