The Ontario Association of Certified Engineering Technicians and Technologists (OACETT) is a non-profit, self-governing regulatory body and professional association of over 21,000 members. OACETT is Ontario's independent certifying body for engineering and applied science technicians and technologists and confers the certifications C.Tech. (Certified Technician) and C.E.T. (Certified Engineering Technologist). These certifications are recognized across Canada by employers and other engineering professionals. The A.Sc.T. (Applied Science Technologist) designation is no longer conferred but is still used by some OACETT members.