1989 – David Hannum and Ralph Wagle collaborate to offer civil engineering services to clients as Hannum & Wagle Engineering in Terre Haute, Indiana.
1995 – Michael Cline joins the firm as partner and the firm name changes to Hannum, Wagle & Cline Engineering.
1997 – HWC opens the Indianapolis office.
2000 – HWC opens an office in Scottsburg, Indiana.
2000 – HWC receives the Indiana University Kelley School of Business Top 100 Growth Award.
2001 – HWC receives the Indiana University Kelley School of Business Top 100 Growth Award for the second consecutive year.
2003 – HWC receives an Indiana Department of Transportation (INDOT) contract to conduct a Phase 2 Environmental Study, also known as “section six of seven”, for the proposed extension of Interstate 69 from Indianapolis to Evansville, Indiana.
2004 – HWC opens an office in downtown Lafayette, Indiana.
2004 – HWC receives the Indiana University Kelley School of Business Top 100 Growth Award for the third time.
2005 – HWC is recognized as a finalist for the 2005 Indiana Entrepreneurial Award of Distinction for their growth, innovation and willingness to take calculated risks.
2007 – HWC’s professional corporate staff exceeds 55 people across the four offices.
2007 – HWC earns its second Honor Award from ACEC Indiana for Jasonville’s Wastewater System Improvements.
2007 – HWC is recognized as a national finalist in ACEC’s 2007 Engineering Excellence Awards program.
2008 – Michael Cline is appointed Chair of the 2008-2009 ACEC National Environment and Energy Committee.
2009 – Ed Jolliffe joins the firm as President of HWC.
2011 – HWC acquires Floyd E. Burroughs & Associates and an office in Noblesville, Indiana. The firm expands services to include specialized transportation engineering, including bridges and small structures.
2012 – HWC ranks 18th on the Indianapolis Business Journal’s list of Largest Indianapolis-Area Engineering Firms. HWC’s corporate staff exceeds 70 people in five offices.
2013 – A management group led by President and CEO Ed Jolliffe and Executive Vice President Terry Baker acquire majority interest in HWC Engineering. The company will be majority-led by Jolliffe and owned by a number of partners and several associate partners.
2014 – HWC ranked 15th on the Indianapolis Business Journal’s list of Largest Indianapolis-Area Engineering Firms.
2014 – HWC received the White River Alliance Award for Excellence in Sustainable Design or Construction in the Built Environment for the Village Promenade in Muncie, Indiana.
2015 – HWC received two State Finalist Awards for Engineering Excellence from the American Council of Engineering Companies (ACEC) of Indiana for Seashore Waterpark in Lebanon, Indiana and the Village Promenade in Muncie, Indiana.
2016 – HWC was named a Top Place to Work in Indiana by the Indiana Chamber of Commerce.