Administration | |
 | Bob MacDonald, President, Chief Executive Officer Bachelor of Science, Business Administration, Southeast Missouri State University, 1981 |
 | Steve Hicks, PE, Chief Operating Officer Registered Professional Engineer in Missouri and Arkansas. Bachelor of Science, Civil Engineering, University of Missouri-Rolla, 1996 |
 | Bill Robison, PE, Communications & Client Relations Registered Professional Engineer in Missouri. Bachelor of Science, Civil Engineering, University of Missouri-Columbia, 1991 |
 | Kurt DiCiro, EIT, Engineering Marketing & Special Projects Engineer Engineer in Training, Missouri. Bachelor of Science, Petroleum Engineering, University of Missouri-Rolla, 1984 |
Surveying | |
 | Randy Thurman, PLS, Survey Manager Professional Land Surveyor in Missouri and Arkansas |
| Ray McCrae, PLS, Senior Party Crew Chief Professional Land Surveyor in Missouri |
Engineering | |
 | William Cobb, PE, Engineering Manager Registered Professional Engineer in MO, Illinois, Tennessee and Arkansas. Bachelor of Science, Civil Engineering, University of Missouri-Columbia, 1999 |
 | Ron Rains, PE, PLS, Project Quality Review Engineer Registered Professional Engineer in MO Professional Land Surveyor in Missouri. Bachelor of Science, Civil Engineering, University of Missouri-Rolla, 1971. Master of Science, Civil Engineering, University of Missouri-Rolla, 1972 |
 | Greg Bell, PE, Project Manager Registered Professional Engineer in MO. Bachelor of Science, Civil Engineering, Arkansas State University, 2002 |
 | Dominic Thompson, PE, LSIT, Project Manager Registered Professional Engineer in MO. Bachelor of Science, Civil Engineering, Arkansas State University, 2003 |
 | Jeremy Manning, PE, Structural Engineer Registered Professional Engineer in MO. Bachelor of Science, Civil Engineering, Arkansas State University, 2007 |
 | Mark Webb, Senior Designer Bachelor of Science, Technology Management, with emphasis in Construction Management and Design Southeast Missouri State University, 2016 |
 | Colter Gaebler, EIT, Project Engineer Bachelor of Science, Civil Engineering, University of Missouri-Columbia, 2016 |
 | Bari P. Chase, Testing Manager Associate of Applied Science-Industrial Technology, Three Rivers Community College, 1994 |
 | Rodney Simpson, Senior Designer Associates Degree in Computer Aided Drafting, Louisville Technical Institute, 1993 |
Environmental | |
 | Mike Walker, RG, Environmental Manager Registered Geologist in Missouri Bachelor of Science, Geology and Geophysics, University of Missouri-Rolla, 1999 |
 | Joe Leahy, PE, Environmental Marketing/Review Engineer Registered Professional Engineer in Missouri. Bachelor of Science, Civil Engineering, Iowa State University, 1988 |
 | Kevin Knight, RG, Senior Geologist Registered Geologist in Missouri Bachelor of Arts, Geological Sciences, University of Missouri, May 2001 |
 | Heather Slayton, Project Biologist Bachelor of Science, Biological Sciences, Erskine College, South Carolina, 2009 |
 | Matt Foster, Project Engineer Bachelor of Science, Geological Engineering, Missouri University of Science and Technology, 2009 |
