About Jones & DeMille Engineering

40 Years of Quality and Excellence

 Jones & DeMille Engineering started in 1982 with one mission – to help shape the quality of life in communities throughout the intermountain west. Now, 40 years later, that mission remains the same. We continue to pledge our continued commitment to project success and a promise to deliver the highest quality of engineering services to communities in which we live, work, and play. We will continue to look beyond the project and help our clients succeed in all areas of  infrastructure and community development. 

We want to thank our clients, partners, and communities, for the opportunity to shape the quality of life together. We are excited for projects ahead and look forward to many more years of continued partnerships and successes.

We offer office locations throughout Utah and Wyoming—Richfield, our corporate office; PriceMantiRoosevelt; Vernal; Springville; Monticello; St. George; Tooele; and Evanston to provide professional services coverage throughout the Intermountain Region.

We also offer additional client services through our wholly-owned subsidiaries:  

Rural Community Consultants specializes in strategic, financial, and land use planning as well as providing innovative solutions for difficult issues unique to the rural West.  

Campbell Architecture offers a proven track record of quality and excellence in architectural design with an approach that balances aesthetics and creativity with cost and functionality.  

CiviclinQ delivers a connection with community leaders and strategic development through code hosting, ordinance expertise, insights, and tools to help communities work better.  

With these additional subsidiaries and expanded offerings, JDE is now positioned to provide services in:

Jones & DeMille Core Values

Since 1982, Jones & DeMille Engineering (JDE) has found the key to delivering award-winning professional services and client success is our commitment throughout the entire process and by following our company core values: