Listed below are Nebraska's Tree Line USA and Tree City USA award winners. Listed with each utility and community is the number of years in the Tree Line or Tree City USA program.
Auburn is one of the very first Tree Cities in the United States and the only city in Nebraska that has remained in the program continuously since the time of the program's establishment.
| Nebraska Tree Line USA Utilities |
| Omaha Public Power District - 7 Nebraska City Utilities - 5 Lincoln Electric System - 3 Nebraska Public Power District - 3 |
