DDI Engineering, Inc. specializes in the following areas: - Civil Engineering: Concrete & 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 Call us at (270) 726-3530 for all your Drafting, Land Surveying, or Civil Engineering needs!