Jones & DeMille Engineering is proud of our legacy of excellence in planning, funding, and community-driven infrastructure services. Since 1982, we have served with a professional, personalized, rural touch to provide value that reaches beyond the project.  

40 Years of Quality and Excellence

We are  eager to assist our clients in their proactive efforts to properly manage, maintain and upgrade infrastructure which will sustain economic growth, minimize long-term expenses, and contribute to a thriving community. 

Geographic Information Systems (GIS)
Funding Procurement
Water Resources
Construction Engineering
Materials Testing

Projects Shaping the Quality of Life

Bridgeland Bridge Relocation • Duchesne County

The Bridgeland Bridge Relocation project included management, structural and civil design engineering for relocation of the historic Bridgeland Bridge from Bridgeland, Utah to the Duchesne County Fairgrounds.
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Construction Engineering • Manti City Multi-Recreational Facility

Jones and DeMille's Construction Engineering Team worked with Manti City to construct a multi-recreational sports complex in Manti, Utah.
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EWP Water Diversion & Flood Rehabilitation • Duchesne County

Jones and DeMille Engineering was proud to be a part of the design engineering and construction management services for ewp water diversion & flood rehabilitation bank repairs on several major irrigation structures on the Yellowstone, Duchesne, Strawberry, and Lake Fork Rivers.
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Funding Procurement & Project Management • Manti Ambulance Bldg.

Jones & Demille was able to provide funding procurement (CIB), project management, design, and construction services for a 5,400-square-foot ambulance facility in Manti, Utah.
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Careers at Jones & DeMille Engineering

As the leading full-service civil engineering firm helping to shape the quality of life in the Intermountain West, Jones & DeMille Engineering is always seeking the very best and brightest people to join our outstanding team! If you would like to be considered for one of our positions, please click the job postings link below.

Full-Time Benefits
Careers at Jones & DeMille Engineering
Jones & DeMille Culture

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We Are Your Infrastructure Specialists

Established in 1982, Jones & DeMille Engineering is a full-service civil engineering company serving public and private-sector clients throughout the Intermountain Region. Our team is proud to specialize in rural and other infrastructure projects, assisting in everything from initial planning and funding procurement through construction management and ongoing operations.

Shaping The Quality of Life — Together