POWELL INDUSTRIES, INC.

All Other Miscellaneous Nonmetallic Mineral Product Manufacturing

This includes establishments primarily engaged in manufacturing nonmetallic mineral products (except pottery, ceramics, and plumbing fixtures; clay building materials and refractories; glass and glass products; cement; ready-mix concrete; concrete products; lime; gypsum products; abrasive products; cut stone and stone products; ground and treated minerals and earth; and mineral wool).

Illustrative Examples:

Dry mix concrete manufacturing
Mica products manufacturing
Manmade and engineered proppants (e.g., resin-coated sand, ceramic materials) manufacturing
Stucco and stucco products manufacturing
Synthetic stones, for gem stones and industrial use, manufacturing

All Other Miscellaneous Fabricated Metal Product Manufacturing

This includes establishments primarily engaged in manufacturing fabricated metal products (except forgings and stampings, cutlery and handtools, architectural and structural metals, boilers, tanks, shipping containers, hardware, spring and wire products, machine shop products, turned products, screws, nuts and bolts, metal valves, ball and roller bearings, ammunition, small arms and other ordnances and accessories, and fabricated pipes and pipe fittings).

Illustrative Examples:

Foil containers (except bags) manufacturing
Industrial pattern manufacturing
Metal hair curlers manufacturing
Metal ironing boards manufacturing
Metal pallets manufacturing
Metal pipe hangers and supports manufacturing
Metal safes manufacturing
Metal vaults (except burial) manufacturing
Permanent metallic magnets manufacturing
Portable metal ladders manufacturing
Sanitary ware (e.g., bathtubs, lavatories, sinks), metal and enameled metal, manufacturing
Steel wool manufacturing

Semiconductor Machinery Manufacturing

This includes establishments primarily engaged in manufacturing wafer processing equipment, semiconductor assembly and packaging equipment, and other semiconductor making machinery.

All Other Industrial Machinery Manufacturing

This includes establishments primarily engaged in manufacturing industrial machinery (except agricultural and farm-type; construction and mining machinery; food manufacturing-type machinery; semiconductor making machinery; and sawmill, woodworking, and paper making machinery).

Illustrative Examples:

Additive manufacturing machinery manufacturing
Bookbinding machines manufacturing
Chemical processing machinery and equipment manufacturing
Cigarette making machinery manufacturing
Glass making machinery (e.g., blowing, forming, molding) manufacturing
Petroleum refining machinery manufacturing
Plastics working machinery manufacturing
Printing presses manufacturing
Rubber working machinery manufacturing
Sewing machines (including household-type) manufacturing
Shoe making and repairing machinery manufacturing
Tannery machinery manufacturing
Textile making machinery manufacturing

Machine Tool Manufacturing

This includes establishments primarily engaged in (1) manufacturing metal cutting machine tools (except handtools) and/or (2) manufacturing metal forming machine tools (except handtools), such as punching, sheering, bending, forming, pressing, forging and die-casting machines.

Illustrative Examples:

Bending and forming machines, metalworking, manufacturing
Buffing and polishing machines, metalworking, manufacturing
Drilling machines, metalworking, manufacturing
Grinding machines, metalworking, manufacturing
Home workshop metal cutting machine tools (except handtools, welding equipment) manufacturing
Metalworking lathes manufacturing
Milling machines, metalworking, manufacturing
Stamping machines, metalworking, manufacturing

Welding and Soldering Equipment Manufacturing

This includes establishments primarily engaged in manufacturing welding and soldering equipment and accessories (except transformers), such as arc, resistance, gas, plasma, laser, electron beam, and ultrasonic welding equipment; welding electrodes; coated or cored welding wire; and soldering equipment (except handheld).

Packaging Machinery Manufacturing

This includes establishments primarily engaged in manufacturing packaging machinery, such as wrapping, bottling, canning, and labeling machinery.

All Other Miscellaneous General Purpose Machinery Manufacturing

This includes establishments primarily engaged in manufacturing general purpose machinery (except ventilating, heating, air-conditioning, and commercial refrigeration equipment; metalworking machinery; engines, turbines, and power transmission equipment; pumps and compressors; material handling equipment; power-driven handtools; welding and soldering equipment; packaging machinery; industrial process furnaces and ovens; fluid power cylinders and actuators; and fluid power pumps and motors).

Illustrative Examples:

Automatic fire sprinkler systems manufacturing
Baling machinery (e.g., paper, scrap metal) manufacturing
Bridge and gate lifting machinery manufacturing
Centrifuges, industrial and laboratory-type, manufacturing
Cremating ovens manufacturing
General purpose-type sieves and screening equipment manufacturing
Hydraulic and pneumatic jacks manufacturing
Industrial and general purpose-type filters (except internal combustion engine, warm air furnace) manufacturing
Scales and balances manufacturing

Bare Printed Circuit Board Manufacturing

This includes establishments primarily engaged in manufacturing bare (i.e., rigid or flexible) printed circuit boards without mounted electronic components. These establishments print, perforate, plate, screen, etch, or photoprint interconnecting pathways for electric current on laminates.

Semiconductor and Related Device Manufacturing

This includes establishments primarily engaged in manufacturing semiconductors and related solid-state devices. Examples of products made by these establishments are integrated circuits, memory chips, microprocessors, diodes, transistors, solar cells, and other optoelectronic devices.

Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing

This includes establishments primarily engaged in one or more of the following: (1) manufacturing electronic fixed and variable capacitors and condensers; (2) manufacturing electronic resistors, such as fixed and variable resistors, resistor networks, thermistors, and varistors; and (3) manufacturing electronic inductors, such as coils and transformers.

Electronic Connector Manufacturing

This includes establishments primarily engaged in manufacturing electronic connectors, such as coaxial, cylindrical, rack and panel, pin and sleeve, printed circuit, and fiber optic.

Printed Circuit Assembly (Electronic Assembly) Manufacturing

This includes establishments primarily engaged in loading components onto printed circuit boards or who manufacture and ship loaded printed circuit boards. Also known as printed circuit assemblies, electronics assemblies, or modules, these products are printed circuit boards that have some or all of the semiconductor and electronic components inserted or mounted and are inputs to a wide variety of electronic systems and devices.

Other Electronic Component Manufacturing

This includes establishments primarily engaged in manufacturing electronic components (except bare printed circuit boards; semiconductors and related devices; electronic capacitors; electronic resistors; coils, transformers, and other inductors; connectors; and loaded printed circuit boards).

Illustrative Examples:

Crystals and crystal assemblies, electronic, manufacturing
Electron tubes manufacturing
LCD (liquid crystal display) unit screens manufacturing
Microwave components manufacturing
Piezoelectric devices manufacturing
Printed circuit laminates manufacturing
Switches for electronic applications manufacturing
Transducers (except pressure) 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