Montgrand Reinforcing Ltd. Is an aboriginal owned company, based out of Saskatchewan,Canada. Our company was started in 2013 as Montgrand Reinforcing, which specializes in reinforcing installation services, we are also an affiliate Ironworker trade contractor. North American Industry Classification System. (N.A.I.C.S.) Codes 238, 2381, 238120,238190. They are a specialty trade contractor/rebar reinforcing contractor, specializing in foundations, and building exteriors, through the act of reinforcing steel, by placing and tying rebar on the job site. Reinforcing rebar, adds to the tensile strength of concrete properties.