Dennis Engineering Company

Dennis Engineering Company (DEC) is a New Mexico-based civil engineering firm with dual offices that has served communities across the state for over 50 years. We deliver end-to-end infrastructure solutions for municipalities and counties, specializing in water and wastewater systems, civil and transportation projects, drainage, and related specialized services. The company partners closely with community leaders to secure funding, navigate permitting and regulatory requirements, design and engineer projects, and manage construction through final inspection. With a longstanding commitment to rural New Mexico, we focus on improving quality of life by helping build strong, resilient places where families and businesses can thrive.