C-TOW Marine Assistance. Covers all of Ontario with there memberships. There no extra costs. If you got our membership your covered. We have been in Business for over 30 years. all over Canada. We have vessels ready to assist all over Ontario Canada. Trust a Corporation with years of experience and knowledge to get you to the dock safe. Our captains and boats are insured and certified by transport Canada. Have your peace of mind at sea with the longest running marine assistance company of all of Canada backing you on the water.