Design Services & Prime General Contracting
The Best Design Services & Prime GC in Illinois
From Concept to Completion—Your Facility Deserves a Partner Who Gets It Right the First Time
You can’t afford delays, miscommunication, or redesigns that slow down your operation. At DePue Mechanical, we specialize in industrial-grade design services and general contracting that streamline the construction process from day one. Whether you’re upgrading a processing line or building out a new facility, our team delivers cost-effective, code-compliant, and constructible designs with boots-on-the-ground experience baked in.
CAPABILITIES
All your Design
Services & Prime
General Contracting
needs
- Design That Understands Construction
- Budget Accuracy You Can Count On
- In-House Project Leadership
- Build Reviews That Prevent Rework
- Industries We Serve
- Why Plant Managers Choose DePue
Design That Understands Construction
Too many designs look great on paper but fall apart in the field. We engineer plans that work in real life—tight clearances, existing systems, and all.
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Budget Accuracy You Can Count On
Our design estimates align closely with final construction costs. No budget bloat. No surprises.
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In-House Project Leadership
From day one, your job is managed by a seasoned GC team that’s been through shutdowns, expansions, and new builds across complex industrial sites.
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Build Reviews That Prevent Rework
We use 3D scanning, modeling, and constructability reviews to identify red flags before they turn into RFIs.
Our Design Services Include:
- Mechanical layout planning
- Utility routing and load calculations
- Equipment selection and placement
- 3D modeling and laser scanning
- Code compliance and permitting support
- Budgeting and value engineering
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Industries We Serve
DePue Mechanical is trusted by major players in:
- Food & Beverage Manufacturing
- Chemical Processing
- Pharmaceutical Facilities
- Power Generation & Utilities
- Metal Fabrication & Foundries
- Universities & Schools
- Municipal Buildings
- Have a unique facility? We’ll tailor our approach to fit your specs, safety standards, and schedule.
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Why Plant Managers Choose DePue
- One-stop design & build execution
- Local union labor with industrial experience
- Safety-first mindset with proven EMR
- Real-world project planning that works under pressure
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General Contracting That Keeps Your Jobsite Moving
Recent Projects
We listen. We respond. We deliver.
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Adhesives Chemical Refinery
Adhesives Chemical Refinery
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The Field Museum
Field Museum
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