| | Mack Electric Devices Inc Temperature monitors, thermostats, controls & indicators | |
| | Micro Lamps Inc Halogen, miniature & subminiature lamps, telephones & neon LED lamps, displays & panel mount indicators | |
| | Mission Industries Inc Mechanical position indicators | |
| | Research Energy Of OH Inc Mine blasting machinery & equipment; low level water & fuel indicators for semi tractors | |
| | Sharn Inc Medical supplies distributor: temperature indicators | |
| | Siko Products Inc Mechanical & electronic packaging machinery position indicators | |
| | Star, L J Inc Visual flow indicators, ports & process control instruments | |
| | TEGAM Inc Hand held digital thermometry products & multimeters, phase sequence & motor rotation indicators, OHM & LCR meters, power sensor & oscilloscope calibration, attenuation measurement & resistance ratio | |
| | Thermal Instrument Co Flow meters & indicators | |
| | Trans Metrics Inc Pressure transducers & indicators | |
| | Titan Enterprises Ltd | |
| | Zhengzhang International LLC | |
| | Future Sky Equipment LLC | |
| | CUI Inc | |
| | D. K. INSTRUMENTS PVT. LTD. | |
