Helmkamp Construction Co. is a local Bridge, Tunnel, And Elevated Highway, NEC business based in East Alton, IL.
This phone number has been independently verified as the best phone number by GetHuman users in East Alton and around Madison County who called the phone number and gave us feedback. This month, 16 customers have verified this phone number.
Customers report that this number goes to voicemail 13% of the time.