Vibration, rotary paddle and tilt:
SITRANS LPS200 [1]
SITRANS LVL100 and LVL200 [2]
SITRANS LVS100 and LVS200 [3]

Ultrasonic:
Pointek ULS200 [4]

Capacitance:
Pointek CLS100 [5]
Pointek CLS200 and CLS300 [6]
Pointek CLS500 [7]