Interstate Engineering News Show All News Portfolio filters Show All News Date Name Desc Asc Clear Filters Wilson Joins Fergus Falls Team Wilson Joins Fergus Falls Team Shaping the Future in Jamestown Shaping the Future in Jamestown Karrels Joins Spearfish Team Karrels Joins Spearfish Team Interstate Engineering Relocates Mandan Office Interstate Engineering Relocates Mandan Office Opatril Expands Wahpeton Team Opatril Expands Wahpeton Team Robinson Expands Horace Team Robinson Expands Horace Team Zimmerman Joins Williston Team Zimmerman Joins Williston Team Dreher Joins Jamestown Team Full-Time Dreher Joins Jamestown Team Full-Time Senger 40 Under 40 Recipient Senger 40 Under 40 Recipient Klemenhagen Joins Fergus Falls Team Klemenhagen Joins Fergus Falls Team Interstate Engineering Relocates Billings Office Interstate Engineering Relocates Billings Office Schwarzhoff Promoted to Office Manager Schwarzhoff Promoted to Office Manager Irwin Expands Spearfish Team Irwin Expands Spearfish Team Fitzgerald Joins Williston Team as Office Manager Fitzgerald Joins Williston Team as Office Manager Grandbois Joins Horace Team Grandbois Joins Horace Team Mahlen Joins Sidney Team Mahlen Joins Sidney Team Sidney Swim Team Hopes for Permanent Bulkhead Installation Sidney Swim Team Hopes for Permanent Bulkhead Installation Steele Joins Spearfish Team Steele Joins Spearfish Team Tora Expands Williston Team Tora Expands Williston Team Kopp 20 Under 40 Recipient Kopp 20 Under 40 Recipient