Irwin & Sherman, P.C. Share: Attorneys Irwin & Sherman, P.C. Visit Website 9175 S. Yale Ave. Suite 280 Tulsa, OK 74137 918-392-1900 About Map About A law firm specializing in the areas of Estate Planning, Business Planning, Charitable Gift and Tax Planning, Non-Profit Organizations, Trust and Estate Administration, and Probate. What's Nearby? Distance: 5 10 15 20 25 50 mi.