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Lange Ag Systems

Lange Ag Systems

Livestock Equipment, Construction, and Storage Solution Experts

  • What We Do
    • Swine
      • Ventilation Systems
      • Curtain Systems Solutions
      • Feed Systems
      • Feeders & Watering
      • Heating Systems
      • Gating, Penning, Crates, Flooring
      • Chemical Dispensers and Medicators
    • Dairy
      • Ventilation Systems
      • Curtain Systems Solutions
      • Feed Systems
      • Miscellaneous
    • Silage and Grain Bagging Solutions
      • Silage Bags
      • Silage Baggers
      • Grain Bags
      • Grain Bagger Solutions
      • Bunker Covers
    • Swine and Dairy Barn Construction and Remodeling
    • Commercial and Breweries
    • Service Repairs and Parts
  • Projects
  • About
    • Meet the Lange Ag Team
    • Employment
  • Contact Us
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Swine and Dairy Barn Construction and Remodeling

Lange Ag Systems specializes in the design, construction, and remodeling of swine and dairy facilities throughout the Upper Midwest. For more than 45 years, we’ve helped livestock producers improve their operations with quality products, practical solutions, and dependable service.

Whether you’re building a new facility, expanding an existing one, or remodeling an aging barn, our experienced team works alongside you every step of the way—from planning and design to construction, installation, and ongoing support.

At Lange Ag Systems, we understand that every operation is different. That’s why we take the time to understand your goals and provide solutions tailored to your needs. Our commitment is simple: deliver quality workmanship, clear communication, and projects completed as promised—with no surprises, no hidden costs, and no unnecessary headaches.


New Construction Solutions

No job is too big or too small! We have the capability of building and designing all types of facilities including gestation, farrowing, nursery, finishing and large sow units. We also offer general contracting services along with “start to finish” turnkey services.

View Additional Project Photos


Remodel Solutions

Have a facility that needs major upgrading? Has your facility experienced damage due to weather, gas explosion or fire damage? We can replace almost anything in the interior and exterior of an existing building from rusty roof steel to crumbling slats to everything in between.


Lange Ag Systems provides quality & value by partnering with:


Lange Ag also supplies the below specialty items for your new or remodel projects.

Lange Liner

The NEW Lange Liner is used for interior of your barn to take that old decrepit ceiling and make it look like new.

Learn more about the Lange Liner (PDF)

Ag-Barrier

Learn more about the Ag-Barrier (PDF)

Sharp Doors

Offering a wide range of stainless steel entry door solutions. These steel door products are engineered to last a lifetime, designed for easy installation, and will perform flawlessly under demanding and corrosive conditions.

Learn More on Sharp Doors (PDF)

Call 320.231.1470 or email [email protected] for more information.

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Let Us Help You Get Started

Call 320.231.1470

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Lange Ag Systems

Willmar Location (Main HQ)
193 Cty Rd 9 NE, Willmar, MN
320.231.1470

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