R. J. Grondin & Sons is a third generation, family-owned earth moving business located in Gorham, Maine, with operations in Southern and Central Maine. Founded in the 1950’s, R. J. Grondin & Sons is one of the premier construction companies in Northern New England. With more than sixty years of experience, a large, modern fleet of earth moving equipment, and people who know how to get the job done, R.J. Grondin & Sons has the capabilities to complete the toughest projects on time and within budget.