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sf(x) Engineering, Inc.
Nancy Fisher, President/CEO
Stephen Fisher, P.E.
P.O. Box 266
Warroad, MN 56763-0266
(218) 469.4041 cell


Mechanical Engineering Consulting:

  • Minnesota Licensed Professional Engineer
  • American Society for Quality(ASQ) Certified Reliability Engineer
  • Lean, Six Sigma Tool Training (DMAIC) and Design for Six Sigma


  • Product and Process Reliability Analysis and Training
  • Statistical Analysis (fit, form and function)
  • Quality, Reliability and Maintenance Data Analysis
  • Biomedical Planning, Data Collection, and Analysis
  • HVAC Equipment and Buildings Assessments
  • Strength of Materials and Testing - Mechanics - FEA

©1997-2011 sf(x) Engineering, Inc. May, 2011