What Magnetic Specialties does

Magnetic Specialties, Inc. (MSI) is a privately held custom manufacturer of magnetic components and power conversion equipment, founded in 1956 by William Byrd in Trenton, NJ, and currently operating from a 20,000 sq ft facility in Telford, PA. The company was acquired by the Solar Atmospheres family of companies in 2002. MSI designs and manufactures three core product lines: transformers (10 subtypes including auto, control, distribution, drive isolation, ferroresonant, filament, furnace, metering, plate, and rectifier transformers up to 3000 KVA, 25kV class, and 100kHz frequency), reactors (6 subtypes including current limiting, DC choke, harmonic filter, line, saturable, and smoothing reactors up to 25kV class), and power supplies (4 subtypes including DC, phase angle control, saturable reactor, and zero-fired configurations up to 3000 KVA). Supporting these are NEMA enclosures and engineering services using proprietary core-coil design software and SolidWorks 3D modeling.

MSI's business model is engineering-driven custom manufacturing for industrial B2B customers. All products are made-to-order based on customer specifications with quote-based pricing and no public price disclosure. The company uses a consultative sales approach where customers discuss applications directly with engineers, supported by UL recognized insulation systems, CE marking capability, and DOE efficiency compliance. Revenue streams come from hardware sales (transformers, reactors, power supplies, enclosures) and professional engineering services. Customer segments span OEM manufacturers, government agencies, and research institutions across industries including induction heating, mining, glass manufacturing, heat treating, oil and gas, military, renewable energy, rail transportation, and semiconductor manufacturing.

The company's go-to-market is relationship-based with no channel partners or distributors; all sales are direct from manufacturer. MSI claims global customer reach with units in service worldwide. With only 1-10 employees, MSI operates as a boutique custom manufacturer leveraging 40+ years of combined engineering experience rather than scale advantages. Recent strategic activity includes a 2019 facility expansion and a series of notable custom product shipments through 2022 across diverse industrial applications.

Name

Magnetic Specialties

Legal name

Magnetic Specialties, Inc.

Website

https://magspecinc.com

Company type

Private

Founded year

1956

Operating status

Operating

Headcount range

1–10 employees

Short description

Magnetic Specialties is a privately held custom manufacturer of transformers, reactors, and power supplies serving industrial B2B customers across mining, glass manufacturing, OEM, government, and research sectors from its Telford, PA facility.

Ownership category

akta.pro rank

Product category

Industrial Power Magnetics Manufacturing

NAICS

Power, Distribution, and Specialty Transformer Manufacturing (335311), Electrical Equipment Manufacturing (33531)

SIC

Power, Distribution & Specialty Transformers (3612), Electronic Coils, Transformers & Other Inductors (3677)

akta.pro primary industry

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

akta.pro secondary industries

Medium/Low-Voltage Power Distribution (MCCs, Panels, UPS, Grounding) (EUAEAFAB), DC-DC Converters & Power Modules (Isolated/non-isolated, POL modules) (IMAGADAB), Instrument Transformers (CTs/VTs) & Sensors (Conventional/Optical) (EUADACAG)

Keywords

• Custom transformers manufacturing
• Industrial reactors and magnetics
• Industrial power supplies
• Electrostatic precipitator controls
• Engineered power conversion equipment

Headquarters

HQ city

Telford

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Transformers: Design and manufacture of custom transformers including auto, control, distribution, drive isolation, ferroresonant, filament, furnace, metering, plate, and rectifier transformers up to 3000 KVA
2. Reactors: Manufacturing of current limiting, DC choke, harmonic filter, line, saturable, and smoothing reactors for industrial applications
3. Power Supplies: DC power supplies, phase angle control power supplies, saturable reactor power supplies, and zero-fired power supplies up to 3000 KVA
4. Engineering Services: Engineering consultation and design services for custom magnetics solutions, including testing and validation services
5. NEMA Enclosures: Pre-engineered steel enclosures for magnetic components including NEMA 1 and NEMA 3R rated enclosures

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Magnetic Specialties designs and manufactures custom-engineered transformers, reactors, and industrial power supplies at its Telford, PA facility. The company produces custom transformers up to 3,000 KVA, air-core and iron-core reactors up to 25 kV class, and DC, phase-angle, saturable-reactor, and zero-fired power supplies for industrial OEMs, government, and research customers. All units are built to customer specifications with proprietary design software and UL-recognized insulation systems.

Product overview

Magnetic Specialties is a manufacturer of custom-engineered magnetic and power conversion equipment, operating as a single-product portfolio company that designs and builds transformers, reactors, and power supplies as its core product lines. The transformers product line includes ten subtypes: Auto Transformers, Control Transformers, Distribution Transformers, Drive Isolation Transformers, Ferroresonant Transformers, Filament Transformers, Furnace Transformers, Metering Transformers, Plate Transformers, and Rectifier Transformers. The reactors product line includes six subtypes: Current Limiting Reactors, DC Choke Reactors, Harmonic Filter Reactors, Line Reactors, Saturable Reactors, and Smoothing Reactors. The power supplies product line includes four subtypes: DC Power Supplies, Phase Angle Control Power Supplies, Saturable Reactor Power Supplies, and Zero-Fired Power Supplies. Supporting these product lines are NEMA Enclosures (accessories) and Engineering Services (custom design using proprietary software and Solidworks 3D modeling). All products are manufactured at the company's 20,000+ square foot facility in Telford, PA, with power ratings reaching up to 3000 KVA and voltages up to 25kV class.

Differentiator

Problem solved

Functional benefit

Products and services

• Custom Transformers Custom-engineered transformers including auto, control, distribution, drive isolation, ferroresonant, filament, furnace, metering, plate, and rectifier types, rated up to 3,000 KVA with voltage classes up to 25 kV and frequencies up to 100 kHz. Built to customer specifications with UL-recognized insulation systems for industrial OEM, government, and research customers.
• Reactors Air core and iron core reactors in single and three-phase configurations including current limiting, DC choke, harmonic filter, line, saturable, and smoothing types, rated up to 25 kV class with BIL ratings up to 125 kV. Used for filtering, current limiting, and power conditioning in industrial applications including electrostatic precipitators, variable frequency drives, and DC traction.
• Industrial Power Supplies Industrial power supplies including DC, phase angle control, saturable reactor, and zero-fired SCR-gated configurations rated up to 3,000 KVA, with microprocessor-controlled SCR gating for precise power delivery. Designed for industrial heating, melting, and process power applications.
• NEMA Enclosures Pre-engineered steel enclosures in NEMA 1 and NEMA 3R configurations with knock-down design for pallet shipping and ANSI 61 gray powder coat finish, used to house MSI's transformers, reactors, and power supplies.
• Engineering Services Custom transformer, inductor, reactor, and power supply engineering using proprietary core-coil design software and SolidWorks 3D modeling for electro-mechanical packaging, supported by UL-approved systems and optional testing reports including turns ratio, dielectric withstand, and temperature rise verification.

Quantifiable outcome

• Reduced furnace downtime and tighter temperature regulation for brazing operations
• +2 more outcomes

Named customers6 records

Segments13 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered minor and core.

• Solar ManufacturingminorOthersAffiliate company within the Solar Atmospheres family of companies. Listed as a partner/affiliate on the MSI website footer.
• Underwriters Laboratory (UL)coreTechnology or IntegrationMSI designs and manufactures using Underwriters Laboratory (UL) approved systems. UL label available for devices up to 600V input. UL recognized insulation systems available in 130, 180, and 220°C ratings.

Scale indicators4 records

Recent moves7 records

Expansion highlights3 records

Direct peers

• ERMCO (Electric Research and Manufacturing Cooperative): US manufacturer of distribution transformers, reactors, and power quality magnetics serving electric co-ops and industrial customers. Comparable for similar transformer product lines and utility-adjacent customer base.
• Dongan Electric Manufacturing: US-based custom transformer and inductor manufacturer focused on industrial and specialty applications. Closely comparable as a smaller, privately-held niche magnetics supplier targeting OEM customers with engineered-to-order solutions.
• Jefferson Electric: Manufacturer of dry-type distribution transformers, buck-boost transformers, and related magnetics. Comparable as a mid-sized custom and standard transformer producer serving industrial, commercial, and OEM customers.
• Acme Electric: US manufacturer of dry-type distribution transformers, buck-boost transformers, and power supplies. Comparable as a specialized industrial magnetics supplier serving similar end-markets with custom and standard offerings.
• Hammond Power Solutions: Canadian manufacturer of custom and standard dry-type transformers, reactors, and magnetics. Most direct competitor serving industrial OEM and power quality customers with similar customization capabilities and North American manufacturing footprint.

Broad incumbents

• Eaton: Global power management company producing transformers, switchgear, and power supplies across industrial, utility, and data center markets. Broad incumbent with overlapping magnetics capabilities but vastly larger scale.
• ABB Electrification: Global leader in electrification products including distribution transformers, dry-type transformers, and power quality solutions. Overlaps across the same product categories but serves a much broader customer base at greater scale.
• Schneider Electric: Global electrical equipment and industrial automation company with a transformer and power supply portfolio. Comparable in industrial power products but operates at hyperscale with broader solutions.
• Siemens Smart Infrastructure: Major manufacturer of distribution transformers, switchgear, and power conversion products globally. Comparable product lines (cast-resin and dry-type transformers, reactors) but vastly broader portfolio and engineering depth.
• Hubbell Power Systems: Large electrical equipment manufacturer with broad transformer and magnetics portfolio across utility, industrial, and construction end-markets. Overlaps in transformer manufacturing but at much greater scale and with broader product breadth.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Magnetic Specialties