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      HoursOPEN NOW
      Regular Hours:
      Mon - Fri

      Contact Info

      Phone:

      Main - 605-330-7000

      ExtraTollFree - 877-214-4370

      Address:
      401 E 8th St Sioux Falls, SD 57103
      Link:

      http://sehinc.com

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      Consulting Engineers, Professional Engineers
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      Data provided by one or more of the following: Thryv, Data Axle, Yext.