Since 1951, R.J. Zavoral and Sons, Inc. has been moving the earth all over the Red River Valley. Over the past 65 years our b ... usiness has grown from a 1-man dozer operation to a major earth moving and construction services contractor. We excel at earth moving, excavation, asphalt paving, utilities installation, and other various construction services. Family values have always been at the core of our business. Our strength comes from the wisdom and work ethic of the second generation and the innovation, adaptability, and energy from the third generation. Our employees feel like part of our extended family. We are grateful for their loyalty and commitment; their experience and hard work has been key to our success. read more