Covington Engineering Corporation specializes in the manufacture of lapidary and glass equipment. The company offers arbors, deluxe tumblers, and carriage slab saw, carving and buffing kits. It provides diamond blades, compounds, discs and drill bits. The company offers flanges, jewelry buffers, polishing powders and pulleys. Covington Engineering Corporation also provides splash guards, sphere machines, grinding wheels, pliers, cutters, vinyl aprons and hammers. The company offers sanders, cork and felt polishers, and glass engravers, smoothers and blades. In addition, it provides warranty programs to clients throughout the United States. Covington Engineering Corporation offers lapidary supplies, such as adapters, adhesives, guide stone gauges and pressure tanks.