Masimo

Tri-Med Medical Supplies sells Masimo pulse oximeter adhesive sensors, adhesive sensor replacement tapes, and ear sensors. 

Masimo https://www.masimo.com/ is a global medical pulse oximetry company that develops and manufactures innovative noninvasive patient monitoring technologies, medical devices, and a wide array of sensors.  Masimo was founded in 1989 and currently has corporate headquarters in Irvine, California.