PETROU INDUSTRIES, INC.

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.

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

This includes establishments primarily engaged in manufacturing instruments for measuring and testing the characteristics of electricity and electrical signals. Examples of products made by these establishments are circuit and continuity testers, voltmeters, ohm meters, wattmeters, multimeters, and semiconductor test equipment.

Analytical Laboratory Instrument Manufacturing

This includes establishments primarily engaged in manufacturing instruments and instrumentation systems for laboratory analysis of the chemical or physical composition or concentration of samples of solid, fluid, gaseous, or composite material.

Other Measuring and Controlling Device Manufacturing

This includes establishments primarily engaged in manufacturing measuring and controlling devices (except search, detection, navigation, guidance, aeronautical, and nautical instruments and systems; automatic environmental controls for residential, commercial, and appliance use; instruments for measurement, display, and control of industrial process variables; totalizing fluid meters and counting devices; instruments for measuring and testing electricity and electrical signals; analytical laboratory instruments; irradiation equipment; and electromedical and electrotherapeutic apparatus).

Illustrative Examples:

Aircraft engine instruments manufacturing
Automotive emissions testing equipment manufacturing
Clocks assembling
Meteorological instruments manufacturing
Physical properties testing and inspection equipment manufacturing
Polygraph machines manufacturing
Radiation detection and monitoring instruments manufacturing
Surveying instruments manufacturing
Thermometers, liquid-in-glass and bimetal types (except medical), manufacturing
Watches (except smartwatches) and parts (except crystals) manufacturing

Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of electrical construction materials; wiring supplies; electric light fixtures; light bulbs; and/or electrical power equipment for the generation, transmission, distribution, or control of electric energy.

Other Electronic Parts and Equipment Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of electronic parts and equipment (except electrical apparatus and equipment, wiring supplies, and construction materials; electrical and electronic appliances; and television sets and radios).

Illustrative Examples:

Blank compact discs (CDs) merchant wholesalers
Blank digital video discs (DVDs) merchant wholesalers
Broadcasting equipment merchant wholesalers
Cellular telephones merchant wholesalers
Communications equipment merchant wholesalers
Modems and routers merchant wholesalers
Radar equipment merchant wholesalers
Teleconferencing equipment merchant wholesalers
Unloaded computer boards merchant wholesalers