Centennial Construction Rockland. In business since 1967, three generations have been serving all of your concrete, grout, sand and gravel needs. Whether it's a small or large, residential or commercial concrete project. Our concrete mix on site trucks deliver for the Prescott-Russell, Rockland, Arnprior, Ottawa, and the Outaouais Region. Foundation is one of our specialities. We also specialize in concrete finishing. Centennial Construction Rockland. Give us a call to see how we can suit your needs! Working together to build a better foundation.