SumCo Eco-Contracting is a self-performing heavy / site / civil construction firm focused on ecological and environmental improvement projects.  Our scientists, engineers and crews partner with project owners, consultants and other stakeholders to turn their project visions into reality. Since our founding in 2006, SumCo has completed over 300 such projects, including 27 dam removals; 500+ acres of wetland restoration; 20+ miles of direct river creation/restoration plus hundreds of miles of associated river connectivity; 18 culvert & bridge replacements; 15 pond dredges; 7 dam rehabilitations; and numerous related site development and restoration projects.