335311 - Power, Distribution, and Specialty Transformer Manufacturing

The manufacturing landscape of electrical components is vast and critical to powering our modern world. One crucial niche within this domain is identified by NAICS code 335311 — Power, Distribution, and Specialty Transformer Manufacturing. This industry plays a key role in the electrical power ecosystem, ensuring efficient voltage regulation and seamless electrical power distribution.

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What is NAICS Code 335311?

NAICS Code 335311 encompasses establishments primarily engaged in manufacturing power, distribution, and specialty transformers. These transformers serve as pivotal components in electrical systems, enabling voltage adjustments and safe, reliable power distribution across various industries and utilities.

Sector: Manufacturing

This NAICS classification falls under the Manufacturing sector, reflecting its role in producing sophisticated electrical equipment vital to infrastructure.

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What Does NAICS Code 335311 Cover?

Establishments classified under 335311 focus on producing an array of transformers, including but not limited to:

• Power transformers
• Distribution transformers
• Specialty transformers

These transformers vary by application, size, and capability, serving sectors from electricity generation and transmission to specialized industrial uses.

Typical Business Activities

Businesses under this code commonly engage in:

• Designing and manufacturing power transformers for electrical utilities
• Producing distribution transformers for local power delivery systems
• Manufacturing specialty transformers tailored for specific industrial or commercial applications

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Size Standards for NAICS 335311

For government contracting and small business eligibility, the size standard for NAICS code 335311 is 800 employees. Companies with employee counts at or below this threshold qualify as small businesses within this industry classification, opening doors to various federal programs and contracts.

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Examples of Businesses Under NAICS 335311

Here are typical business types and activities operating within this NAICS:

• Power transformer manufacturers: Companies specializing in large-scale transformers used in electric power transmission
• Distribution transformer manufacturers: Firms producing transformers that step down voltage for distribution to consumers
• Specialty transformer manufacturers: Businesses focusing on custom or application-specific transformers, such as welding or lighting transformers

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Detailed Code Activities Table

Transformer Type / Activity	Description
Airport lighting transformers manufacturing	Transformers designed for airport lighting systems
Arc-welding transformers, separate solid-state, manufacturing	Solid-state transformers used in arc welding
Autotransformers for switchboards (except telephone switchboards) manufacturing	Autotransformers used in electrical switchboards
Autotransformers manufacturing	General autotransformer production
Ballasts (transformers) manufacturing	Ballasts for various lighting applications
Boosters, feeder voltage (electrical transformers), manufacturing	Voltage booster transformers for feeders
Burner ignition transformers manufacturing	Transformers used for ignition in domestic burners
Control transformers manufacturing	Transformers controlling voltage for various uses
Current limiting reactors, electrical, manufacturing	Reactors limiting current flow
Distribution transformers, electric, manufacturing	Transformers for electric power distribution
Electric furnace transformers manufacturing	Transformers for electric furnaces
Feeder voltage regulators and boosters manufacturing	Regulators and boosters maintaining feeder voltages
Fluorescent ballasts (transformers) manufacturing	Ballasts specifically for fluorescent lighting
Fluorescent lighting transformers manufacturing	Transformers for fluorescent lights
Generator voltage regulators, electric induction and step-type manufacturing	Voltage regulators for generators
Instrument transformers for metering or protective relaying use manufacturing	Specialized transformers for meters and relays
Isolation transformers manufacturing	Transformers isolating electrical circuits
Lamp ballasts manufacturing	Ballasts used in various lamp types
Lighting transformers manufacturing	Transformers for general lighting applications
Lighting transformers, street and airport manufacturing	Transformers used in street and airport lighting
Line voltage regulators (electric transformers) manufacturing	Transformers regulating line voltage
Luminous tube transformers manufacturing	Transformers designed for luminous tubes
Machine tool transformers manufacturing	Transformers used in machine tools
Power transformers, electric, manufacturing	Large power industry transformers
Regulating transformers, power system-type manufacturing	Transformers regulating power system voltages
Regulators (electric transformers), feeder voltage manufacturing	Voltage regulators for feeder lines
Saturable transformers manufacturing	Transformers with saturable cores
Signaling transformers, electric, manufacturing	Transformers used in signaling equipment
Specialty transformers, electric, manufacturing	Custom and specialty transformers
Substation transformers, electric power distribution manufacturing	Transformers used in substations
Transformers, electric power manufacturing	General electric power transformers
Transformers, ignition, for use on domestic fuel burners manufacturing	Ignition transformers for home fuel burners
Transformers, reactor, manufacturing	Electrical reactors used as transformers
Transformers, separate solid-state arc-welding manufacturing	Solid-state transformers for arc welding
Transmission and distribution voltage regulators manufacturing	Transformers regulating voltage at transmission/distribution level
Voltage regulating transformers, electric power manufacturing	Transformers regulating voltage for electric power systems
Voltage regulators, transmission and distribution manufacturing	Voltage regulators for transmission and distribution

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Frequently Asked Questions (FAQ)

Q1: What are the main uses of transformers manufactured under NAICS 335311?
A: These transformers are essential for adjusting voltage levels in electric power systems, facilitating safe and efficient power transmission and distribution across residential, commercial, and industrial sites.

Q2: Who typically purchases transformers made by companies in NAICS 335311?
A: Electric utilities, industrial plants, commercial buildings, and specialized equipment manufacturers are primary customers.

Q3: How does knowing the NAICS code 335311 benefit businesses?
A: Understanding this code helps companies identify their industry classification for federal contracting, compliance, and market analysis.

Q4: Can companies with more than 800 employees be considered small businesses under this NAICS?
A: No, the SBA size standard for this NAICS code sets the threshold at 800 employees or fewer for small business classification.

Q5: Are specialty transformers included in NAICS 335311?
A: Yes, specialty transformers designed for specific electrical applications are covered under this classification.

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Conclusion

NAICS code 335311 represents a vital segment within the manufacturing sector, underpinning the reliable distribution and regulation of electrical power through specialized transformers. Whether producing massive power transformers for utilities or niche specialty transformers for industrial processes, businesses in this category are essential to maintaining the electrical backbone of modern society.

Understanding the scope, business activities, and size classifications under NAICS 335311 empowers manufacturers and contractors to align their operations with government requirements and market needs efficiently.

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Keywords: NAICS 335311, Power Transformer Manufacturing, Distribution Transformer Manufacturing, Specialty Transformers, Electrical Manufacturing, Voltage Regulation, Transformer Industry, Small Business Size Standard