The Pennsylvania Neurosurgical Society wishes to thank and acknowledge the following organizations for supporting our 2011 Annual Scientific Meeting: Educational Grants Baxter Healthcare Corporation Integra Synthes Anspach Exhibits Baxter Healthcare Corporation Biomet Microfixation Boston Scientific BrainLab Codman DePuy Spine Globus Medical K2M, Inc. KLS Martin Group M.D. Surgical Products, Inc. Medtronic, Inc. Neosurgery USA NuVasive/Dimension Medical, LLC Opto-Systems, Inc. OsteoMed, LP PMSLIC Insurance Company Stryker Surgical One-Northeast Synthes CMF Synthes Spine Zimmer Spine