The Knowledge Resource for the World of Grain Handling and Processing Industry Operations

NOHR Wortmann Engineering
307 1/2 Walnut St, Yankton, SD 57078

About Us

Nohr Wortmann Engineering Yankton, South Dakota 57078 Tel: 605-665-1214 NOHR Wortmann Engineering provides engineering, evaluation and design for: Materials handling, conveying, storage processing structures, including grain, fertilizer and chemical structures; all types and sizes of elevators and storage; feed mills; a wide range of industrial buildings and process types; bulk material storage, handling and processing systems including bins, silos, towers, fill and empty equipment. NOHR also provides engineering investigative work, testing, analysis, evaluation and reporting, including accident and failure investigation, cause and origin reports and opinions.


  • Design/Engineering/Construction
    • Design
    • Engineering
  • Maintenance/Repair/Salvage
    • Structural