To get an apprenticeship you need to find an employer who is willing to hire you and then register with your local Ministry of Trades and Colleges/Universities Apprenticeship Office.
For information on apprenticeships phone the local MTCU Apprenticeship Office at
(613) 938-9702 or watch the following link APPRENTICESHIPS.ppt
Other useful websites:
www.apprenticesearch.com-- Help to find an employer in Ontario.
Human Resources Skills Dev. Canada