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Interstate Engineering Inc

  • Engineers
120 Industrial Drive
Suite #2
Spearfish, SD 57783
(605) 642-4772
  • About

    Full-service surveying. Flood plane evaluations and studies. Civil engineering including new developments, planning, water systems, and infrastructure improvements.

  • Whom to Contact

    • Christina Steele
      Office Administrator
      120 Industrial Drive
      Suite #2
      Spearfish, SD 57783
      Phone: (605) 642-4772
      Cell Phone: (605) 490-7559