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.
Thank you to our Platinum Sponsors
News & Events
REGISTER: April 9 Safety training & certification session
Posted On: April 09, 2026
WCO members elect directors, select 2026 officers
Posted On: February 20, 2026
Wisconsin Custom Operators members re-elected three directors and filled one corporate vacancy during the group’s annual business meeting held Feb.18 in conjunction with the Forage Symposium at the Chula Vista Resort in Wisconsin Dells, Wis.
Re-elected to the board of directors were John Osterhaus (at-large director), Jeremy Heim (north region director), and Randy Clark (corporate director). Josh Harkenrider was elected to fill a special two-year corporate director position vacated following the retirement of Steve Pesik from Zimmerman Manufacturing.
2026 Forage Symposium Feb. 16-18
Posted On: December 01, 2025
Board nominations sought
Posted On: November 22, 2025
Online equipment auction benefits WCO; now through Dec. 9
Posted On: November 22, 2025
By Maria Woldt for WCO
WCO is proud to announce our fourth annual an Fall online auction, Nov. 25–Dec. 9, coordinated by Hansen Auction Group. The auction includes machinery typical for custom operators, but virtually all items will be considered.























