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

  • Atlas Copco Generators
    December 11, 2025|
    Atlas Copco QAS Generators: Reliable Power When You Need It Most

    Atlas Copco’s QAS generator series delivers rapid, stable power in under six seconds, making it ideal for job sites, emergency backup, and industrial environments. Featuring Tier 4 Final–compliant engines, a compact footprint, and optimized performance, these generators ensure uptime while reducing operating costs.

  • Volvo Penta Power Pack Reliability
    December 8, 2025|
    Volvo Penta D13 Power Pack: Built for Real-World Reliability

    The Volvo Penta D13 Power Pack tackles common maintenance challenges with smart design features like eliminating external high-pressure fuel pumps and EGR coolers. With options like a hand-operated oil pump for tight spaces, this engine delivers dependable performance and easier serviceability.

  • Data Center Boom
    December 3, 2025|
    The Data Center Boom Is Just Beginning— And We’re Ready For What’s Next.

    As AI-driven operations accelerate, Stewart & Stevenson and mtu solutions deliver mission-critical power with advanced diesel and gas generators. Whether expanding capacity or scaling infrastructure, we provide reliable, efficient solutions to keep data centers ready for what’s next.

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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United Engines Cities Map
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ADDA Cities Map
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Stewart & Stevenson

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

SS Cities Map

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

United Engines Cities Map

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

2026 FDDA Map v2.3 No BCK

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

ADDA Cities Map

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

TK CS Cities Map

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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.