American soccer writing, history & data.
| Season | Name | Abbreviation | Champion | Champion (Tier 2) | Champion (Tier 3) |
|---|---|---|---|---|---|
| 2019/20 | National Independent Soccer Association | NISA | --- | --- | --- |
| 2020/21 | National Independent Soccer Association | NISA | Detroit City FC | --- | --- |
| 2021 | National Independent Soccer Association | NISA | Detroit City FC | --- | --- |
| 2022 | National Independent Soccer Association | NISA | Michigan Stars FC | --- | --- |
| Organizing body | |
|---|---|
| National Independent Soccer Association, LLC | May 5, 2017 – date unknown |