CentiMark Ltd. is a subsidiary of CentiMark Corporation, headquartered in Mississauga, ON Canada. CentiMark Corporation is No ... rth America’s largest roofing contractor with 8 offices throughout Canada and 195 employees. Each office has dedicated crews, for the installation and service of all major roof systems, who are highly trained and experienced with a focus on safety. Our workplace is your roof, so the safety of your employees and our crews is a top priority which has allowed our safety program to exceed industry standards. Our mission is to keep our customer’s buildings watertight, protect their properties and employees, all in concert with regular business hours. read more