Jim Hoelker - Vice President of Sales 
214-310-3505
jhoelker@groendyke.com  

Jason Weidner - Central Region Sales Manager
913-222-4698
jweidner@groendyke.com

Randy DeWitt - Regional Sales Manager
580-670-0933
RDEWITT@GROENDYKE.COM

Todd Miller - Gulf Coast Region Sales Manager
713-410-0995
TMILLER@GROENDYKE.COM

Glenn Fedkenheuer - Northeast Region Sales Manager
609-508-6012
gfedkenheuer@groendyke.com