QUARTZITE PROCESSING, INC.

Pottery, Ceramics, and Plumbing Fixture Manufacturing

Establishments in this category are primarly engaged in shaping, molding, glazing, and firing pottery, ceramics, plumbing fixtures, and electrical supplies made entirely or partly of clay or other ceramic materials.

Illustrative Examples:

Bathroom accessories, vitreous china and earthenware, manufacturing
Ceramic or ferrite permanent magnets manufacturing
Chemical stoneware (i.e., pottery products) manufacturing
Clay and ceramic statuary manufacturing
Earthenware table and kitchen articles, coarse, manufacturing
Porcelain electrical insulators manufacturing
Vitreous china plumbing fixtures manufacturing

Clay Building Material and Refractories Manufacturing

Establishments in this category are primarly engaged in shaping, molding, baking, burning, or hardening clay refractories, nonclay refractories, ceramic tile, structural clay tile, brick, and other structural clay building materials. A refractory is a material that will retain its shape and chemical identity when subjected to high temperatures and is used in applications that require extreme resistance to heat, such as furnace linings.

Glass Product Manufacturing Made of Purchased Glass

This includes establishments primarily engaged in coating, laminating, tempering, or shaping purchased glass.

Machine Shops

This category includes establishments known as machine shops primarily engaged in machining metal and plastic parts and parts of other composite materials on a job or order basis. Generally machine shop jobs are low volume using machine tools, such as lathes (including computer numerically controlled); automatic screw machines; and machines for boring, grinding, milling, and additive manufacturing.

All Other Miscellaneous Electrical Equipment and Component Manufacturing

This includes establishments primarily engaged in manufacturing industrial and commercial electric apparatus and other equipment (except lighting equipment, household appliances, transformers, motors, generators, switchgear, relays, industrial controls, batteries, communication and energy wire and cable, wiring devices, and carbon and graphite products). Examples of products made by these establishments are power converters (i.e., AC to DC and DC to AC), power supplies, surge suppressors, and similar equipment for industrial-type and consumer-type equipment.

Illustrative Examples:

Appliance cords made from purchased insulated wire
Battery chargers, solid-state, manufacturing
Door opening and closing devices, electrical, manufacturing
Electric bells manufacturing
Extension cords made from purchased insulated wire
Inverters manufacturing
Surge suppressers manufacturing
Uninterruptible power supplies (UPS) manufacturing