Specialty
State |
Unionized |
| Alabama | No |
| Alaska | |
| Arizona | No |
| Arkansas | No |
| California | Yes |
| Colorado | No |
| Connecticut | Yes |
| Delaware | |
| Florida | |
| Georgia | No |
| Hawaii | |
| Idaho | |
| Illinois | Only in Cook County |
| Indiana | |
| Iowa | |
| Kansas | No |
| Kentucky | |
| Louisiana | |
| Maine | No |
| Maryland | No |
| Massachusetts | |
| Michigan | |
| Minnesota | Yes |
| Mississippi | |
| Missouri | |
| Montana | No |
| Nebraska | |
| Nevada | |
| New Hampshire | No |
| New Jersey | Yes |
| New Mexico | |
| New York | |
| North Carolina | No |
| North Dakota | No |
| Ohio | No |
| Oklahoma | No |
| Oregon | No |
| Pennsylvania | No |
| Rhode Island | |
| South Carolina | No |
| South Dakota | No |
| Tennessee | |
| Texas | |
| Utah | |
| Vermont | |
| Virginia | |
| Washington | No |
| West Virginia | |
| Wisconsin | |
| Wyoming | No |
