| Symbol | Name | Country | Exchange |
|---|---|---|---|
| NGS | Natural Gas Services Group, Inc. | US | NYSE |
| USAC | USA Compression Partners, LP | US | NYSE |
| CPYJ | Custom Designed C/S Inc | US | OTC |
| KNGPF | Knm Group Berhad | US | OTC |
| KIRLPNU | KIRLOSKAR PNEUMATIC CO.LTD. | IN | BSE |
| 603331 | Zhejiang Baida Precision Mnfg | CN | SHG |