Exhibit 21.1
List of Subsidiaries
| Name of Subsidiary | State of Incorporation | |
| GlyEco Acquisition Corp #1 | AZ | |
| GlyEco Acquisition Corp #1 | MN | |
| GlyEco Acquisition Corp #2 | AZ | |
| GlyEco Acquisition Corp #2 | IN | |
| GlyEco Acquisition Corp #3 | AZ | |
| GlyEco Acquisition Corp #3 | FL | |
| GlyEco Acquisition Corp #4 | AZ | |
| GlyEco Acquisition Corp #4 | NJ | |
| GlyEco Acquisition Corp #5 | AZ | |
| GlyEco Acquisition Corp #5 | SC | |
| GlyEco Acquisition Corp #6 | AZ | |
| GlyEco Acquisition Corp #6 | SD | |
| GlyEco Acquisition Corp #7 | AZ | |
GlyEco Acquisition Corp #7 WEBA Technology Corp. Recovery Solutions & Technologies, Inc.
|
MD WI AZ | |