The SI frequency unit

The SI frequency unit is Hertz (Hz), which equals 1/s (one cycle per second).

the world's largest general use car rental brand operating in approximately 150 countries across the globe

Hertz is the world's largest general use car rental brand operating in approximately 150 countries across the globe.

Hertz - Another reliable car rental company in Illinois

Hertz - Another reliable car rental company in Illinois is Hertz.

a unit of frequency (of change in state or cycle in a sound wave

Hertz is a unit of frequency (of change in state or cycle in a sound wave, alternating current, or other cyclical waveform) of one cycle per second.