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About Us

“Alone we can do so little. Together we can do so much.” – Helen Keller

DDI is located in Russellville, KY. Established in 1991, by Beth Rutherford, DDI Engineering has been proudly serving our clients for more than 25 years! DDI Engineering employs an experienced staff of Civil P.E.s, Licensed Professional Surveyors, multi-disciplined Drafters and who together are more than capable of handling any size project that is presented to them.

The success of DDI Engineering is built on creating and maintaining relationships with our clients; relationships built on trust, integrity, high quality, great service, and timeliness. We are honored to serve our clients, and strive to offer excellent customer service and the best solutions to meet their needs.

DDI Engineering, Inc. specializes in the following areas:

– Civil Engineering: Concrete & Nuclear Density Testing, Residential Land Development, Industrial Park Development, Geo-technical Investigation, Storm Water Management, Foundation Development, Commercial Land Development, Geo-technical Testing, Project Management, and Flood Certification.

– Land Surveying: Topographic Site Surveys, Boundary Retracement, Construction Staking, Residential Surveys, Subdivision Design, Farm Surveys, Flood Certification

– Drafting: (Board & CAD), As-built, Electrical, Mechanical, Architectural, Shop Drawings, 3D Solid Modeling, Structural Detailing, Blueprints

– 3D Scanning: 3D Scanning capabilities for comprehensive, non-invasive 3D scans of Structures, Land, Machinery, Real Estate and more!

The Mission:

The DDI team is a small number of people, with complimentary skills, committed to a common goal – Customer Satisfaction!

Giving Back to Our Community:

DDI Engineering believes in giving back to our local community. We believe supporting local charities and organizations help create stronger, healthier places for our customers and employees to live and work. A few of the local programs that are close to our heart are: Logan County Good Samaritan, The Jesus Community Center, Mission Voice Network, Logan County Humane Society, Fishing with Kids, and more!


DDI Engineering is committed to safety in the workplace. We work with our clients to maintain safe work sites; and our company is committed to following all safety standards and regulations required by our clients.

DDI management works hard to provide employees a safe and healthful workplace. Employees must report any accidents, injuries, and unsafe conditions to their supervisors. No reports will result in retaliation, penalty, or loss of job.

DDI will continue to educate our employees about safety, health, and wellness in the workplace. DDI senior management will continue to be actively involved in establishing and maintaining an effective safety program for the benefit of all employees. Safety is more than just a goal at DDI, it is who we are!