Minneapolis
Services North Dakota, South Dakota, Wisconsin, and Minnesota
In Iowa, services:
| Adair | Floyd | Montgomery |
| Adams | Franklin | O’Brien |
| Allamakee | Greene | Osceola |
| Appanoose | Grundy | Page |
| Audubon | Guthrie | Palo Alto |
| Benton | Hamilton | Plymouth |
| Black Hawk | Hancock | Pocahontas |
| Boone | Hardin | Polk |
| Bremer | Harrison | Poweshiek |
| Buchanan | Henry | Ringgold |
| Buena Vista | Howard | Sac |
| Butler | Humboldt | Shelby |
| Calhoun | Ida | Sioux |
| Carroll | Iowa | Story |
| Cass | Jasper | Tama |
| Cedar | Jefferson | Taylor |
| Cerro Gordo | Johnson | Union |
| Cherokee | Jones | Van Buren |
| Chickasaw | Keokuk | Wapello |
| Clarke | Kossuth | Warren |
| Clay | Linn | Washington |
| Clayton | Lucas | Wayne |
| Crawford | Lyon | Webster |
| Dallas | Madison | Winnebago |
| Davis | Mahaska | Winneshiek |
| Decatur | Marion | Woodbury |
| Delaware | Marshall | Worth |
| Dickinson | Mitchell | Wright Counties |
| Emmet | Monona | |
| Fayette | Monroe |
In Michigan, services:
| Alger | Gogebic | Marquette |
| Baraga | Houghton | Menominee |
| Delta | Iron | Ontonagon Counties |
| Dickinson | Keweenaw |
Persons may also obtain service at the Resident Office located in Des Moines, Iowa.
Established in 1935, the National Labor Relations Board is an independent federal agency that protects employees, employers, and unions from unfair labor practices and protects the right of private sector employees to join together, with or without a union, to improve wages, benefits and working conditions. The NLRB conducts hundreds of workplace elections and investigates thousands of unfair labor practice charges each year. Region 18 serves areas in Iowa, Michigan, Minnesota, North Dakota, South Dakota, and Wisconsin from its Regional Office in Minneapolis and its Subregional Office in Milwaukee.