NAICS CODE 335311 - Power, Distribution, and Specialty Transformer Manufacturing

Industry Sector


Total Companies


Est. Employment



This U.S. industry comprises establishments primarily engaged in manufacturing power, distribution, and specialty transformers (except electronic components). Industrial-type and consumer-type transformers in this industry vary (e.g., step up or step down) voltage but do not convert alternating to direct or direct to alternating current.


NAICS Code 335311 - Power, Distribution, and Specialty Transformer Manufacturing is a final level code of the “Manufacturing” Sector. There are 357 companies classified in this industry in the USA with an estimated employment of 18,803 people.

Industry Examples

Common types of examples within NAICS Code 335311 - Power, Distribution, and Specialty Transformer Manufacturing are:

  • Airport lighting transformers manufacturing
  • Arc-welding transformers, separate solid-state, manufacturing
  • Autotransformers for switchboards (except telephone switchboards) manufacturing
  • Autotransformers manufacturing
  • Ballasts (i.e., transformers) manufacturing
  • Boosters, feeder voltage (i.e., electrical transformers), manufacturing
  • Burner ignition transformers manufacturing
  • Control transformers manufacturing
  • Current limiting reactors, electrical, manufacturing
  • Distribution transformers, electric, manufacturing
  • Electric furnace transformers manufacturing
  • Feeder voltage regulators and boosters (i.e., electrical transformers) manufacturing
  • Fluorescent ballasts (i.e., transformers) manufacturing
  • Fluorescent lighting transformers manufacturing
  • Generator voltage regulators, electric induction and step-type (except engine electrical equipment), manufacturing
  • Instrument transformers (except complete instruments) for metering or protective relaying use manufacturing
  • Isolation transformers manufacturing
  • Lamp ballasts manufacturing
  • Lighting transformers manufacturing
  • Lighting transformers, street and airport, manufacturing
  • Line voltage regulators (i.e., electric transformers) manufacturing
  • Luminous tube transformers manufacturing
  • Machine tool transformers manufacturing
  • Power transformers, electric, manufacturing
  • Regulating transformers, power system-type, manufacturing
  • Regulators (i.e., electric transformers), feeder voltage, manufacturing
  • Saturable transformers manufacturing
  • Signaling transformers, electric, manufacturing
  • Specialty transformers, electric, manufacturing
  • Substation transformers, electric power distribution, manufacturing
  • Transformers, electric power, manufacturing
  • Transformers, ignition, for use on domestic fuel burners, manufacturing
  • Transformers, reactor, manufacturing
  • Transformers, separate solid-state arc-welding, manufacturing
  • Transmission and distribution voltage regulators manufacturing
  • Voltage regulating transformers, electric power, manufacturing
  • Voltage regulators, transmission and distribution, manufacturing


For some business types, there may be a similar industry to NAICS Code 335311 - Power, Distribution, and Specialty Transformer Manufacturing that is a better classification match. Establishments primarily engaged in manufacturing electronic component-type transformers are classified in U.S. NAICS Code - 334416 - Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing.

Companies compiles comprehensive business data and executive contact leads for businesses within NAICS Code 335311 - Power, Distribution, and Specialty Transformer Manufacturing. Some of the leading and most notable companies are listed below. To order a list of companies within NAICS Code 335311 - Power, Distribution, and Specialty Transformer Manufacturing for marketing (postal mailing, telemarketing, emailing) or analytics-use, click on the link below to “Buy Business List”. Our data analysts are standing by to assist in your list setup and target marketing.