Erpelding Voigt & Co 1801 Highway 71 S Okoboji, IA 51355 Phone : (712) 332-2443 Business Category Accountants-Certified Public (CPA) Tax Return Preparation & Filing Accounting Auditing & Bookkeeping Services Accountants Nerdig, Roger D Cpa 1801 Highway 71 N Arnolds Park, IA 51331 Phone : (712) 332-2443 Business Category Accountants-Certified Public (CPA) Accounting Auditing & Bookkeeping Services Accountants