WE DESIGN / BUILD / MAINTAIN

COMPLEX SYSTEMS FOR PRODUCTIVE ENVIRONMENTS.

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OUR SERVICES

PROOF IN PERFORMANCE

IN-HOUSE

ENGINEERING

• Mechanical Engineering
• Mechanical Systems Design
• Design-Build
• Design Assist
• Consultation
• BIM / VDC

Project continuity through the critical path of design, construction and commissioning

MECHANICAL

CONSTRUCTION

Our crews have the experience your project needs to stay on time and on budget.

• Mechanical Equipment
• Piping Systems
• HVAC Systems
• Commissioning
• Controls
• Design-Build
• BIM / VDC
• Consultation

HVAC & PLUMBING

SERVICE

We troubleshoot, maintain and repair all types of mechanical and plumbing systems.

• Planned Maintenance
• Systems Analysis
• Troubleshooting
• HVAC Repair & Replacement
• Plumbing Systems Repair & Replacement
• Energy Efficiency Analysis
• Advanced Filtration
• 24/7 Service

"Alliant always comes through. No matter the size of the job, it is always done with quality and care."

Jordan Fell, Emerick Construction

Construction Customer

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ALLIANT'S LATEST NEWS

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Dec 19, 2022

Alliant Selected for LCC ITEC Project

The facility and program will make an impact on the Oregon and SW Washington Mechanical Construction Industry. Alliant Systems is proud...

Sep 26, 2022

Alliant Employees Honored by Oregon Tradeswomen

Two of our esteemed employees were honored at the Oregon Tradeswomen Blue-Collar Gala on Friday night, where members of our construction...

Sep 26, 2022

Alliant Systems #9 Top Workplace in Oregon / SW Washington

We are so thrilled to announce that we’ve been named one of the top ten mid-size (100-499 employees) employers in Oregon and Southwest...

FEATURED
PROJECT

Salem Hospital Patient Care Tower

This seven-story building expansion project featured a fully custom, 17-room Haakon air handler.

OUR PROJECTS