About us. Medical Oxygen & Supplies, Inc. is a company in Brea, CA 92821. We are inclusive and innovative. Our work environment includes. Flexible working hours. On-the-job training. Medical Supply Technician-Full time position-Starting Pay $16.00-20.00 and goes up from there based on performance. We are currently operational in both our Los Angeles and Orange County. We offer a fun, dynamic, and competitive workplace full of learning opportuniti...