Maddox Industrial Transformer

What Maddox Industrial Transformer does

Maddox Industrial Transformer, LLC is a US-based, privately held industrial transformer specialist founded in 2015 and headquartered in Battle Ground, Washington. The company supplies new and remanufactured electrical transformers — including 1-phase and 3-phase padmount, substation, polemount, low- and medium-voltage dry-type, and cast coil configurations — alongside metal-enclosed and pad-mounted switchgear and mini power centers. It claims the largest inventory of new and remanufactured units in the United States, spanning 15 kVA to 10,000 kVA, with stated lead times shorter than industry norms.

Maddox operates a full-service model that extends beyond hardware sales: it rents transformers for temporary and emergency power needs, performs field and shop-based repair and rebuilding, and purchases surplus units from customers for resale or remanufacturing. Pricing is predominantly quote-based on capacity and specification, with a self-serve e-commerce channel (store.maddox.com) for lower-voltage standard products.

The company serves a broad industrial and commercial buyer base across the United States, with named enterprise customers spanning technology (Google, Amazon), aerospace/government (NASA), agriculture/commodities (Cargill), energy (Vulcan), heavy equipment (Caterpillar), automotive (Ford), and commercial solar installation. Primary go-to-market is sales-led across four channels — direct field sales, inside sales via a 1-800 hotline, e-commerce, and rental — targeting commercial buildings, industrial manufacturing, data centers, renewable energy projects, and a recently launched factory-startup donation program aimed at the US reindustrialization movement.

Name

Maddox Industrial Transformer

Legal name

Maddox Industrial Transformer, LLC

Website

https://maddoxtransformer.com

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

251–500 employees

Short description

Maddox Industrial Transformer is a US-based transformer specialist supplying new and remanufactured padmount, substation, polemount, dry-type, and cast coil units, plus switchgear and rentals, to commercial, industrial, data center, and renewable energy buyers across the United States.

Ownership category

akta.pro rank

Product category

Electrical Transformers

NAICS

Power, Distribution, and Specialty Transformer Manufacturing (335311), Switchgear and Switchboard Apparatus Manufacturing (335313)

SIC

Power, Distribution & Specialty Transformers (3612), Switchgear & Switchboard Apparatus (3613)

akta.pro primary industry

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

akta.pro secondary industries

Switchgear & Switchboards (HV/MV/LV, GIS/AIS) (IMAGAAAB), Power Transformers, Reactors & Auxiliary Power Systems (EUADACAJ), Transformer & Reactor Refurbishment / Replacement Programs (EUAEALAE)

Keywords

• Electrical transformers
• Power distribution equipment
• Transformer manufacturing
• Switchgear products
• Transformer rentals

Headquarters

HQ city

Simpsonville

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Transformer Hardware Sales: One-time sales of new and remanufactured electrical transformers including padmount, substation, polemount, dry-type, and cast coil configurations. Sales are transactional with customers purchasing specific units based on their power requirements.
2. Switchgear Sales: Sales of metal-enclosed switchgear and pad-mounted switchgear products as complementary power distribution equipment.
3. Transformer Rentals: Short-term and long-term rental of transformers for temporary power needs, providing recurring revenue from the same customer base over time.
4. Repair Services: Service revenue from repairing and restoring customer transformers, including both shop-based work and field service operations.
5. Surplus Transformer Purchases: Buying surplus transformers from customers and reselling them, creating margin through inventory arbitrage.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels5 records

Core offering

Maddox Industrial Transformer sells new and remanufactured electrical transformers (padmount, substation, polemount, dry-type, and cast coil) and complementary switchgear for commercial, industrial, data center, and renewable energy applications. The company also provides transformer rentals, full repair services, custom manufacturing with the shortest lead times in the industry, and a surplus-buyback program, supported by the largest in-stock inventory of transformers in the United States.

Product overview

Maddox Industrial Transformer offers a comprehensive portfolio of electrical transformers and switchgear for commercial, industrial, data center, and renewable energy applications across the United States. The product lineup centers on two main categories: transformers (including padmount, substation, polemount, and dry-type variants ranging from low voltage to medium voltage, plus cast coil and mini power centers) and switchgear (metal-enclosed and pad-mounted). The company differentiates through an extensive inventory of both new and remanufactured units available for immediate shipment, complemented by rental services, professional repair capabilities, and a surplus purchasing program. They serve diverse industries including manufacturing, data centers, and renewable energy projects.

Differentiator

Problem solved

Functional benefit

Products and services

• 3-Ph Padmount Transformer Three-phase padmount transformer for commercial and industrial electrical distribution applications.
• 1-Ph Padmount Transformer Single-phase padmount transformer for commercial and industrial electrical distribution applications.
• Substation Transformer Large-capacity substation transformers for industrial facilities and utility-scale electrical distribution.
• Polemount Transformer Single-phase polemount transformer for overhead electrical distribution applications.
• Low Voltage Dry-Type Transformer General purpose low voltage dry-type transformer for commercial and industrial applications up to 600V.
• Medium Voltage Dry-Type Transformer Medium voltage dry-type transformer for industrial power distribution applications above 600V.
• Cast Coil Transformer Cast coil transformer with epoxy-encapsulated windings for enhanced reliability in harsh environments.
• Mini Power Center Compact integrated power distribution unit combining transformer and switchgear in a single enclosure.
• Metal-Enclosed Switchgear Metal-enclosed switchgear for power distribution and circuit protection in commercial and industrial applications.
• Pad-Mounted Switchgear Pad-mounted switchgear for outdoor electrical distribution and fault protection.
• Transformer Rentals Short-term and long-term rental options for transformers to meet temporary or project-based power needs.
• Transformer Repair Services Professional repair and field service for transformers, including emergency restoration and rebuilding.
• Surplus Transformer Purchase Program Program to purchase customers' surplus or used transformers for resale and inventory arbitrage.
• Remanufactured Transformers Previously used transformers restored to full operating conditions of their original design specifications, available from 15 kVA up to 10,000 kVA.

Quantifiable outcome

• Transformer delivery within days of ordering (testimonials mention 3-5 day delivery)
• +2 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Rex Power Magnetics: North American manufacturer of dry-type and cast-resin transformers for industrial and commercial markets. Comparable product mix (dry-type, cast coil) to Maddox's portfolio.
• Acme Electric: Manufacturer of dry-type distribution transformers, buck-boost transformers, and related power quality products serving industrial and commercial customers. Comparable to Maddox's low-voltage and dry-type product lines.
• ERMCO (Electric Research and Manufacturing Cooperative): One of the largest US manufacturers of distribution transformers serving utilities, industrials, and commercial customers. Directly comparable to Maddox as a domestic transformer producer with a similar product range including padmount and substation units.
• Howard Industries: Major US transformer manufacturer producing power, distribution, and specialty transformers for utility and industrial markets. Comparable product portfolio and customer base to Maddox, though Howard operates at significantly larger scale.
• Jefferson Electric: US-based manufacturer of dry-type transformers, encapsulated transformers, and related power products for commercial and industrial applications. Direct peer given Maddox's dry-type and specialty transformer focus.

Broad incumbents

• Hitachi Energy (transformer business): Global leader in power and distribution transformers for utilities and large industrial customers. Relevant incumbent benchmark for transformer technology, lead times, and competitive pricing that Maddox must navigate.
• Schneider Electric: Global electrical equipment giant offering transformers, switchgear, and power distribution products across commercial, industrial, and data-center segments. Comparable through its Square D and related transformer offerings, though Schneider operates as a broad portfolio incumbent rather than a specialist.
• Eaton: Multinational power management company with substantial transformer and switchgear product lines serving industrial, utility, and data-center customers. Overlaps with Maddox's padmount, dry-type, and switchgear offerings but as part of a much broader portfolio.
• ABB (Electrification business): Global electrification and transformer manufacturer serving utilities and large industrial customers with power transformers and switchgear. Relevant broad incumbent for benchmarking Maddox's competitive positioning in larger substation orders.

Emerging players

• WEG Electric: Brazil-based global manufacturer of motors, generators, and transformers with growing US presence in distribution and dry-type transformers for industrial markets. Comparable product overlap with emerging US market presence relevant to Maddox's competitive landscape.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/MaddoxSales

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 Maddox Industrial Transformer