Heyboer Transformers, Inc.

What Heyboer Transformers, Inc. does

Heyboer Transformers, Inc. is a privately held custom and production transformer manufacturer founded in 1958 and headquartered at 17382 Hayes St., Grand Haven, Michigan. The company designs and builds single-phase and three-phase power transformers from small printed-circuit units up to 30 KVA, including specialized product lines for high voltage, medical equipment, power amplification, tube-type audio, and large machine-tool and control applications. All products are constructed to UL, CSA, VDE, CE, and IEC specifications and undergo 100% production line testing, with custom mountings, terminations, and wiring harnesses available.

The company operates from two West Michigan manufacturing facilities and maintains a complete inventory of raw materials to support rapid custom builds to exact customer specifications. It serves electronics-industry customers worldwide via a direct sales model, handling both one-off prototypes and production runs up to 100,000+ units, with no publicly disclosed pricing model, headcount, revenue, or institutional ownership. The business is privately held with no parent company, no funding rounds, no acquisitions, and no leadership changes disclosed in the source data, consistent with a long-tenured founder- or family-controlled industrial manufacturer. Heyboer generates revenue exclusively through hardware sales of custom-engineered transformers, with no software, AI/ML, or recurring-service revenue streams identified in the available information.

Name

Heyboer Transformers, Inc.

Legal name

Heyboer Transformers, Inc.

Website

https://heyboertransformers.com

Company type

Private

Founded year

1958

Operating status

Operating

Headcount range

1–10 employees

Short description

Heyboer Transformers, Inc. is a privately held, Grand Haven, Michigan-based manufacturer founded in 1958 that designs and builds custom single-phase and three-phase power transformers up to 30 KVA for electronics-industry customers worldwide, with specialized lines for audio, medical, high-voltage, and industrial-control applications.

Ownership category

akta.pro rank

Product category

Power Transformer Manufacturing

NAICS

Power, Distribution, and Specialty Transformer Manufacturing (335311)

SIC

Power, Distribution & Specialty Transformers (3612)

akta.pro primary industry

Transformers (Power, Distribution, Instrument, Specialty) (IMAGAAAA)

Keywords

• Custom power transformers
• Single phase transformers
• Three phase transformers
• Audio transformers
• Industrial magnetics manufacturing

Headquarters

HQ city

Grand Haven

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Power Transformer Sales: Custom and production transformer sales ranging from small single-phase units to 3-phase transformers up to 30 KVA. Orders range from 1 to 100,000+ units.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Heyboer Transformers designs and manufactures custom and production power transformers for the electronics industry, including single phase and three phase units ranging from small printed circuit transformers to 30 KVA capacity. The company also produces specialized audio, high voltage, medical, power amplification, and machine tool/control transformers built to UL, CSA, VDE, CE, and IEC specifications.

Product overview

Heyboer Transformers, Inc. is a manufacturer of custom and production power transformers serving the electronics industry since 1958. The company offers a portfolio of single phase and three phase transformers ranging from small printed circuit units to 30 KVA capacity, including specialized Audio Transformers as a dedicated product line. Their product range encompasses High Voltage Transformers, Medical Transformers, Power Amplification Transformers, and Machine Tool and Control Transformers. The company handles both custom prototype design and production orders of 1 to 100,000+ units, with 100% production line testing and on-time delivery assurance.

Differentiator

Problem solved

Functional benefit

Products and services

• Audio Transformers
• Single Phase Power Transformers
• Three Phase Power Transformers Three phase power transformers up to 30 KVA for industrial and commercial power applications.
• High Voltage Transformers Custom high voltage transformers designed for specialized industrial applications.
• Medical Transformers Transformers designed for medical equipment applications, meeting relevant safety and performance specifications.
• Power Amplification Transformers Transformers designed for power amplification applications in electronic systems.
• Machine Tool and Control Transformers Large machine tool and control type transformers for industrial manufacturing and automation systems.

Segments1 record

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators2 records

Recent moves4 records

Expansion highlights3 records

Broad incumbents

• Hammond Manufacturing: Hammond Manufacturing is a larger, publicly listed manufacturer of transformers, enclosures, and electrical products serving industrial and electronics customers. It overlaps with Heyboer's transformer offerings but operates at much greater scale and product breadth, making it a broad incumbent competitor.
• Pulse Electronics (now Yageo): Pulse Electronics, now part of Yageo, is a global magnetics manufacturer offering transformers and inductors at scale. It serves overlapping customer segments but operates as a much broader, larger incumbent with significantly wider product lines.

Direct peers

• Plitron Manufacturing: Plitron is a custom toroidal transformer manufacturer specializing in audio, medical, and industrial applications. Its specialty focus and quality certifications make it a direct competitor in the same niche categories Heyboer serves.
• Prem Magnetics: Prem Magnetics is a custom transformer manufacturer serving industrial, medical, and audio applications with UL/CSA/VDE/CE certifications. Its product mix and certifications are directly comparable to Heyboer's specialty transformer portfolio.
• Jefferson Electric: Jefferson Electric manufactures dry-type transformers including distribution and specialty units for industrial and commercial applications. It is comparable to Heyboer in the power transformer category, though with a different size and application mix.
• Standex Electronics: Standex Electronics designs and manufactures custom magnetics including transformers for industrial, medical, and aerospace applications. Its custom-engineered approach and customer overlap make it a direct peer to Heyboer in specialty transformer manufacturing.
• Foster Transformer Company: Foster Transformer is a US-based custom transformer manufacturer producing audio, power, and specialty transformers. Its custom-build model and electronics-industry customer focus mirror Heyboer's core business.
• Toroid Corporation of Maryland: Toroid Corporation manufactures custom toroidal transformers and inductors for electronics, industrial, and audio applications. Its custom manufacturing model and product types overlap directly with Heyboer's specialty transformer offerings.
• Triad Magnetics: Triad Magnetics is a US-based custom transformer and magnetics manufacturer offering a similar range of power, audio, and medical-grade transformers. It is the closest direct competitor to Heyboer in custom single- and three-phase transformer manufacturing for the electronics industry.
• Signal Transformer: Signal Transformer manufactures a broad portfolio of power transformers, chokes, and inductors for industrial and electronic applications. It directly overlaps with Heyboer's electronics-industry customer base and transformer product categories including PCB-mount and chassis-mount designs.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/heyboer-transformers

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Heyboer Transformers, Inc.