Concrete Journeymen – Experience in the work tasks of concrete repair including small and large patches on horizontal and vertical concrete surfaces, epoxy and urethane injection, carbon fiber reinforcement, grout pocket patching, post tension repairs and concrete sealing. Louis and proudly employee‑owned through our ESOP , we are the nation's largest specialty contractor, restoring and protecting building envelopes through expertise in facades, concrete, roofing, and waterproofing.