Wis. Admin. Code DWD § 147.02
An employer shall be considered to be primarily engaged in agricultural production, agricultural services, forestry, or commercial fishing, hunting, or trapping if the department determines that the employer's primary type of business activity is one of those specified in the 2022 version of the North American Industry Classification System, Sector 11 - Agriculture, Forestry, Fishing and Hunting.
Wis. Admin. Code Department of Workforce Development § DWD 147.02
The North American Industry Classification System standard is available at https://www.census.gov/naics/. The 2022 version is on file with the legislative reference bureau and with the bureau of legal affairs of the department's division of unemployment insurance at 201 E. Washington Ave, E-300, Madison, Wisconsin 53703.