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WCO - Wisconsin Custom Operators
Representing custom farming in Wisconsin and beyond
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Heim Brothers Custom LLC // Kewaunee, Wis.
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WI Act 28 bill signing // Madison, Wis.
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D & J Manthe Forage Service LLC // DeForest, Wis.
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Blasel Custom Fieldwork // Dorchester, Wis.
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United Ag Enterprises, LLC // Seymour, Wis.
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Arneson Custom Farming // Barneveld, Wis.
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WCO Safety Certification program // Click to learn more
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Touch-a-truck outreach event // Greenfield, Wis.

Who We Are

The Wisconsin Custom Operators is an organization comprised of individuals throughout the state who derive their income in whole or part from providing custom farming services. These services include: forage harvesting (alfalfa and corn silage), forage bagging, baling, tillage, planting, combining, trucking, manure handling, spraying, among other services.

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News & Events

REGISTER: March 18 Safety training & certification session
Posted On: March 18, 2027
Join the Wisconsin Custom Operators and U.S. Custom Harvesters for a day of safety training and approaches to managing risk. Farmers, custom operators and anyone interested in incident-reducing practices are encouraged to attend. This event qualifies towards WCO safety certification. Breakfast, lunch and snacks provided!
Read the fall issue of the Custom News
Posted On: November 09, 2026

The fall issue of the Custom News is here!

In this issue:

  • Growing our worksforce
  • Aucion reminder
  • WCO events
  • Register for the March 18 safety event
  • Policy updates
  • WCO news
  • Mental wellness
Read the summer issue of the Custom News
Posted On: August 27, 2026

The summer issue of the Custom News is here!

In this issue:

  • Member feature: Schultz Bros. Forage Service 
  • WCO auction reminder
  • 2027 Safety event
  • Policy updates
  • Safety event recap
  • Youth tractor safety
With help from WCO, 80 students complete tractor safety in 2026
Posted On: August 27, 2026

For WCO, promoting safety doesn’t begin when someone joins a custom crew. It starts much earlier — with young people learning how to safely operate farm machinery and understanding the responsibility that comes with working in agriculture.

This year, WCO continued that commitment by supporting tractor and farm safety certification programs through our mini-grant program. WCO helped sponsor five sessions at two locations, resulting in 80 young people earning tractor safety certification.

Back by popular demand: safety event set for March 18
Posted On: August 27, 2026
Mark your calendars! WCO and USCHI will co-host a hands-on Safety Training & Certification session on Thursday, March 18, 2027, at the UW Agricultural Research Station in Arlington, Wis. The event is designed for custom operators and crew members to sharpen their safety knowledge ahead of spring fieldwork.
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