| | Process Measurement Company (Minneapolis, MN) Paper and papereless chart recorders | |
| | Cobex Recorders Inc (Coconut Creek, FL) Electronic chart recorders | |
| | Dickson Co Inc (Addison, IL) Temperature, humidity, event & pressure circular chart recorders | |
| | Gould Instrument Systems Inc (Valley View, OH) Controlling, measuring & medical laboratory instruments & equipment; oscillographic graphic recorders; data acquisition & signal conditioners | |
| | Instrumented Sensor Technology (Okemos, MI) Environmental data recorders | |
| | DefenseDevices.com (Humboldt, TN) | |
| | Jansen Electronics (Ridott, IL) | |
| | Procon Technologies Pvt.Ltd (Ahmedabad, India) | |
