Main Office 3580 W 13th St Wichita, KS 67203-4591 Main Number (316) 943-0286 Toll Free (877) 468-7901 Fax (316) 943-1343 Clarence E. Koch, CPA Partner Email Loading Email... John W. Siedhoff, CPA Partner Email Loading Email... James R. Hand, CPA Partner Email Loading Email... Edward P. Dunn, CPA Partner Email Loading Email... Brenda S. Rauber, CPA Manager Email Loading Email... Brandon Riggs, CPA Manager Email Loading Email... Jon Oetting, CPA Manager Email Loading Email...