| Symbol | Name | Country | Exchange |
|---|---|---|---|
| ARNC | Arconic Inc. | US | NYSE |
| B | Barnes Group, Inc. | US | NYSE |
| CAT | Caterpillar, Inc. | US | NYSE |
| SIF | SIFCO Industries, Inc. | US | AMEX |
| WWD | Woodward, Inc. | US | NASDAQ |
| 48Z | Howmet Aerospace Inc | DE | F |
| CAT1 | Caterpillar Inc | DE | F |
| MTX | MTU Aero Engines AG | DE | F |
| TBN2 | Capstone Green Energy Corp | DE | F |