A Legacy of Power
Performance, and Service

For over a century, energy, marine, and industrial operators have relied on
our industrial power equipment, parts, and expertise to keep them up and running.

OEM Partners

On-highway vehicle service and repair by Stewart & Stevenson

ON-HIGHWAY

Keeping vehicles moving with reliable engines, transmissions, and expert on-highway service support.

Industrial diesel and gas power generation systems

POWER GENERATION

Delivering dependable power generation equipment and service that performs under pressure and ensures uptime.

Natural gas microgrid power solutions

NATURAL GAS MICROGRIDS

Providing efficient, resilient energy solutions for commercial and remote applications.

Oil and gas equipment for energy operations

OIL & GAS

Powering operations even in harsh environments with durable, high-performance energy sector equipment.

Terex and industrial cranes

CRANES

Supporting safe, efficient lifting with reliable power and responsive service.

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Construction site and equipment solutions

CONSTRUCTION EQUIPMENT

Maximizing productivity through tough, dependable equipment and full service support.

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Power and pump, air compressor rental services

Power Rental

Offering flexible short- and long-term power and Power Rental.

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MANUFACTURING

Supporting diesel and gas generator manufacturing, containerized power generation, efrac and fracking manufacturing, all under one roof.

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Marine engine service

MARINE PROPULSION

Ensuring lasting vessel performance with durable engines and trusted technical support.

The Latest News & Updates

  • Your Career Path at Stewart & Stevenson
    October 14, 2026|
    Your Career Path at Stewart & Stevenson

    Follow one tech school student's journey from not knowing power generation was a career option to graduating, landing a job in the field and living the American Dream. Hear from recruiters, instructors, and working technicians about what the job really involves, why safety comes first, and how paid OEM training can take you from apprentice to lead technician making $65+ an hour! There's power in your future. Visit our careers page to learn more.

  • DEVELON North America DX55R
    October 6, 2026|
    Another Successful DEVELON Delivery

    This DEVELON North America DX55R mini excavator is on its way to the QTS Data Center project down in Turkey, Texas! Compact yet powerful, the DX55R delivers the precision, fuel efficiency, and breakout force needed for high-stakes projects. Reach out to our equipment sales team today to find the right Develon machine for your fleet! Find more info in the comments

  • D8 Power Pack build
    September 23, 2026|
    Power Pack Engineered In-House

    Repower fast. Stay on schedule. ⚡ Take a look at our latest Volvo Penta North America D8 Power Pack build, engineered by Stewart & Stevenson specifically for the rigorous demands of the oilfield. If you are looking to repower aging equipment without enduring massive factory delays, this package delivers: 🔹Drop-In Readiness: Engineered for fast installation 🔹Short Lead Times: Get back to work faster and protect your bottom line. 🔹Maintenance-First Design: Built for easy serviceability in the field to ensure maximum asset uptime. Drop a comment below to get the full technical specifications!

OEM industrial parts and engine components

Parts

With deep inventory, direct OEM sourcing, and streamlined logistics, Stewart & Stevenson provides the right component fast, so your operations stay up and running.

Diesel engine repair and service shop

Service

Our certified technicians are trained across multiple engine and power system platforms to diagnose, repair and maintain your equipment—and they’re available 24/7.

Industrial equipment rental and sales

Sales & Rental

We partner with leading engine and power system manufacturers to offer best-in-class solutions customized for your application, whether you’re looking to buy or rent.

Our Family of Industrial Power Equipment Companies

Stewart & Stevenson

Providing engines, power systems, and service across the U.S. and worldwide since 1902.

Delivering remanufactured engines, custom industrial power equipment, and parts across the South-Central U.S.

Authorized on and off-highway, marine, and power generation service and parts for Detroit Diesel and Allison customers across Florida.

Serving the Northeast with expert Detroit Diesel and Allison on and off-highway, marine, and power generation service, rebuilds, and parts.

Supporting transport refrigeration with Thermo King service, parts, and mobile maintenance across Texas and Colorado.

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Transport Refrigeration Equipment
Transport Refrigeration Equipment
Transport Refrigeration Equipment
Transport Refrigeration Equipment

Stewart & Stevenson

Providing engines, power systems, and service across the U.S. and worldwide since 1902.

Map of Stewart and Stevenson Industrial Power Equipment Company Cities v5

Delivering remanufactured engines, custom industrial power equipment, and parts across the South-Central U.S.

Map of United Engines Industrial Power Equipment Company Cities v3

Authorized on and off-highway, marine, and power generation service and parts for Detroit Diesel and Allison customers across Florida.

Map of FDDA Industrial Power Equipment Company Cities v3

Serving the Northeast with expert Detroit Diesel and Allison on and off-highway, marine, and power generation service, rebuilds, and parts.

Map of ADDA Industrial Power Equipment Company Cities Map v3

Supporting transport refrigeration with Thermo King service, parts, and mobile maintenance across Texas and Colorado.

Map of ThermoKing Convoy Servicing Industrial Power Equipment Company Cities v3

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Equipment, Service, and Parts You Can Trust

Partner with a team that brings deep technical knowledge, responsive service, and trusted OEM relationships.