| Symbol | Name | Country | Exchange |
|---|---|---|---|
| ARNC | Arconic Inc. | US | NYSE |
| B | Barnes Group, Inc. | US | NYSE |
| CAT | Caterpillar, Inc. | US | NYSE |
| GTLS | Chart Industries, Inc. | US | NYSE |
| LIN | Linde PLC | US | NYSE |
| SIF | SIFCO Industries, Inc. | US | AMEX |
| WLMS | Williams Industrial Services Group Inc. | US | AMEX |
| WOR | Worthington Industries, Inc. | US | NYSE |
| WWD | Woodward, Inc. | US | NASDAQ |
| AIQUF | L'Air Liquide Ord EU | US | OTC |
| MTLHF | Mitsubishi Chemical | US | OTC |
| MTLHY | Mitsubishi Chemical | US | OTC |
| MTUAF | Mtu Aero Engines Hol | US | OTC |
| MTUAY | Mtu Aero Engines Hol | US | OTC |
| RYCEF | Rolls Royce Grpord | US | OTC |
| RYCEY | Rolls Royce Grp ADR | US | OTC |
| SCRPF | Sembcorp Industries | US | OTC |
| SHWDF | Showa Denko Kk | US | OTC |
| SHWDY | Showa Denko Kk | US | OTC |
| TRNF | Taronis Fuels Inc | US | OTC |