Industrial-Grade Custom Electric Motors

Engineering and manufacturing specialty AC & DC motors up to 20,000 HP for the world's most demanding industrial applications. ISO 9001:2015 certified.

Specialty Electric Motor Manufacturer With Nearly A Century Of Expertise

Louis Allis, a WorldWide Electric Company, has been the trusted name in specialty electric motor manufacturing since 1901. Operating from our ISO 9001:2015 certified facility in Warrior, Alabama, we manufacture, remanufacture, and repair Above NEMA AC and DC electric motors for large and specialty industrial applications worldwide.

Our engineering team delivers custom motor solutions — from single one-off units to large-scale production runs — meeting MIL-SPEC, NEMA MG, IEEE, EASA-AR100, and UL standards. We serve power generation, oil & gas, metals & mining, marine, military, and more.

120+
Years of Experience
20K
Max HP Capability
ISO
9001:2015 Certified
Global
Service Network
Our History

Specialty Motor Solutions For Every Application

From custom-engineered specialty motors to factory recertified units and OEM-grade parts, Louis Allis delivers proven solutions for the most demanding industrial environments.

Specialty Electric Motors — custom AC and DC motors for industrial applications

Specialty Motors

Custom-engineered AC & DC motors for ball mills, crushers, pumps, kilns, and more — up to 20,000 HP.

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Factory Recertified Motors — refurbished electric motors with warranty

Factory Recertified Motors

Rigorously tested and recertified motors offering reliable performance at a reduced lead time and cost.

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Electric Motor Parts — OEM replacement parts and components

Motor Parts & Components

Genuine OEM-grade replacement parts, bearings, windings, and components for any motor brand or model.

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End-To-End Motor Services & Engineering Support

From in-shop repair and rewinding to on-site field services and emergency outage support — Louis Allis keeps your critical equipment running.

Motor & Generator Repair

Complete repair, rewinding, and mechanical overhaul services for AC and DC motors and generators of all sizes and OEM brands.

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Field Services

On-site predictive maintenance, equipment installation and removal, and field engineering inspections at your facility.

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Engineering & Design

Custom motor design, reverse engineering, and "fit and function" replacement solutions for HP, speed, voltage, and structural modifications.

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Emergency & Outage Support

Rapid-response repair and replacement services to minimize downtime during planned outages or unexpected failures.

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Powering Critical Industries Worldwide

Louis Allis specialty motors and engineering services support the world's most demanding industrial operations across multiple sectors.

Power Generation

High-reliability motors for turbine-driven generators, cooling systems, and auxiliary power equipment.

Oil & Gas

Explosion-proof and ATEX-rated motors for pumps, compressors, and drilling equipment in hazardous environments.

Metals & Mining

Heavy-duty motors for ball mills, crushers, conveyors, and hoists operating in extreme conditions.

Marine & Navy

MIL-SPEC certified motors including Navy-sealed winding systems for marine and defense applications.

Petrochemical

Custom motor solutions engineered for the continuous, high-temperature demands of petrochemical processing.

Water & Wastewater

Vertical and horizontal pump motors designed for water treatment, irrigation, and wastewater management.

In-House Manufacturing & Repair Expertise

Our Warrior, Alabama facility houses industry-leading equipment for fabrication, machining, winding, and comprehensive testing — all under one ISO-certified roof.

  • Custom Motor Design
  • CNC Machining & Fabrication
  • HV/MV/LV Winding
  • Comprehensive Load Testing
  • Failure Analysis
  • Navy Sealed Windings
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Key Differentiators That Set Us Apart

When your operation depends on uptime, Louis Allis delivers the expertise, certifications, and responsiveness global buyers require.

Extensive In-House Design Capability

One-Off Custom & Redesign Projects

AC & DC Equipment Up To 20,000 HP

MIL-STD-2037 Navy Sealed Windings

Mobile Field Services Nationwide

Certified To The Standards That Matter Most

Every motor we build or repair meets or exceeds the most rigorous international quality and safety standards.

ISO 9001:2015
MIL-SPEC
NEMA MG
EASA AR100
IEEE
UL Listed
Georator Frequency Converter — industrial power frequency conversion systems

Precision Frequency Conversion For Industrial, Military & Aerospace

Louis Allis manufactures and supplies Georator Power Frequency Converters and Permanent Magnet Generators for applications requiring precise, reliable frequency conversion from 50 Hz to 60 Hz or 400 Hz.

Trusted by aerospace, government, military, and research institutions worldwide, Georator systems deliver unmatched power quality and long-term reliability.

Aerospace & Aircraft
Military & Government
Manufacturing Facilities
Universities & Research
Permanent Magnet Generators
Brushless PM Alternators
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Trusted By Leading Global Organizations

3M Boeing Department of Defense Georgia Tech University of Michigan MIT Lincoln Laboratory National Institutes of Health Rolls-Royce Schlumberger Whirlpool