Here is a draft of a list of the manufacturers of United States license plates.
| State |
Materials from |
Assembly Location |
| Alabama |
|
Hollman Correctional Facility, Atmore, Alabama |
| Alaska |
|
Irwin-Hodson Company, Portland, Oregon |
| Arizona |
|
Arizona State Prison, Florence, Arizona |
| Arkansas |
|
Waldale Manufacturing, Ltd., Amherst, Nova Scotia, Canada |
| California |
|
California State Prison, Folsom, California |
| Colorado |
|
|
| Connecticut |
|
|
| Delaware |
|
Waldale Manufacturing, Ltd., Amherst, Nova Scotia, Canada |
| Florida |
|
Florida State Prison, Starke, Florida |
| Georgia |
|
|
| Hawaii |
|
Irwin-Hodson Company, Portland, Oregon |
| Idaho |
|
|
| Illinois |
|
|
| Indiana |
|
Indiana State Prison, Michigan City, Indiana (northern Indiana) |
| Iowa |
|
|
| Kansas |
|
Center Industries, Wichita, Kansas |
| Kentucky |
|
|
| Louisiana |
|
|
| Maine |
3M |
Maine State Prison, Warren, Maine |
| Maryland |
|
|
| Massachusetts |
|
|
| Michigan |
|
|
| Minnesota |
|
|
| Mississippi |
|
Irwin-Hodson Company, Portland, Oregon |
| Missouri |
|
|
| Montana |
|
|
| Nebraska |
|
|
| Nevada |
|
Nevada State Prison, Carson City, Nevada |
| New Hampshire |
|
New Hampshire State Prison on the North Side of Concord, New Hampshire |
| New Jersey |
|
|
| New Mexico |
|
Waldale Manufacturing, Ltd., Amherst, Nova Scotia, Canada |
| New York |
|
Auburn Prison, Auburn, New York |
| North Carolina |
|
|
| North Dakota |
|
|
| Ohio |
|
|
| Oklahoma |
|
|
| Oregon |
|
Irwin-Hodson Company, Portland, Oregon |
| Pennsylvania |
|
Pennsylvania State Correctional Institution, Pittsburgh, Pennsylvania |
| Puerto Rico |
|
|
| Rhode Island |
|
|
| South Carolina |
|
|
| South Dakota |
|
|
| Tennessee |
|
|
| Texas |
|
|
| Utah |
|
|
| Vermont |
|
|
| Virginia |
|
|
| Washington |
|
Washington State Penitentiary, Walla Walla, Washington |
| West Virginia |
|
|
| Wisconsin |
|
Waupun Correctional Institution, Waupun, Wisconsin |
| Wyoming |
|
|
