| | Pacer Industries Inc Electronic test equipment: combustion analyzers, transmitters, thermometers, tachometers; hygrometers, anemometers, sound level meters, stroboscopes; electronic assembly | |
| | Pile Dynamics Inc Pile driving analyzers & integrity testers | |
| | Quest Technologies Inc Recorders, analyzers & sound meters | |
| | Sanda Corp Analytical laboratory instruments, chemical analyzers & industrial process controls | |
| | Scott Bacharach Instruments Toxic gas detectors, flowmeters & liquid analyzers | |
| | Sensors Inc Gas analyzers, air & fuel ratio equipment, electronic instruments & diagnostic equipment | |
| | Silicon Control Inc Computer systems logic analyzers engineering, research & design | |
| | SPX Corp Automotive & battery testing equipment, engine diagnostic computers, emission analyzers, computer automobile business managements systems & wheel alignment equipment | |
| | Systematic Controls Corp Electronic level transmitters, temperature sensors & transmitters, level switches, pH analyzers & probes | |
| | Trilithic Inc RF components: signal level meters, spectrum analyzers, signal leakage receivers, sweep generators, attenuators, filters & microwave down converters | |
| | Zellweger Analytics Inc Hazardous gas monitors & analyzers | |
| | AmeTrade | |
| | PP Systems | |
| | Agilent Technologies Inc. | |
| | Abdul Investment | |
