| Site | 2022 status |
|---|---|
| Clean Power Auto (mini-bms) | business closed |
| Curtis Instruments | still there |
| NetGain Motors | still there |
| Ponoko | still there |
| Synkromotive | gone |
| Thunder Sky Energy | long gone |
| White Products | still there, i used for connectors |
You can hover over a link for a very brief description.