Go back to directory. Add to Address Book. Sharon M. Gum, CPA Sharon M. Gum, CPA Contact: Sharon Gum 405 Hartman Ln Waterloo IL 62298 work Work Phone: 618-660-9021work Work Email: s.gum.sg@gmail.comINTERNET Website: https://sharonmgumcpa.com Categories: Uncategorized Updated 1 year ago.