| Alan J. Hutchinson, CPA |
| Arbor Management, Inc. |
| ARCON Associates, Inc. |
| Armstrong, Torseth, Skold & Rydeen, Inc. |
| Arthur J. Gallagher & Co. |
| ASI Sign Systems, Inc. |
| Banc of America Securities LLC |
| Bennett and Brosseau Roofing |
| Bradley & Bradley Architects & Engineers |
| Brucker Company |
| Fox Valley Business Officials |
| Illinois Valley ASBO |
| MVASBO |
| South Suburban SBO |
| SWASBO |
| Cadre Securities, Inc. - ISDLAF+ |
| Carroll Seating Company, Inc. |
| Central Rug and Carpet |
| Chapman and Cutler |
| Cruise Boiler & Repair Co., Inc. |
| Dahlquist and Lutzow Architects, Ltd. |
| Fox River Valley ROE |
| Fox Valley Fire and Safety |
| Frank Cooney Company, Inc. |
| Gilbane Building Company |
| Green Associates Architects, Inc. |
| Griffin, Kubik, Stephens & Thompson, Inc. |
| Hodges, Loizzi, Eisenhammer, Rodick & Kohn |
| Illinois Assoc. of School Boards (IASB) |
| Industrial Appraisal Company |
| Invironments of the Larson Company |
| J. D. Edwards |
| JMS Environmental Associates Ltd. |
| Johnson Controls, Inc. |
| Kostak Associates |
| Lake Forest Country Day School |
| Larson Equipment & Furniture Co. |
| Legg Mason Wood Walker, Inc. |
| Lowery McDonnell Company |
| Metro Design Associates, Inc. |
| Milburn Cain & Co. |
| NEIASBO/A. E. Stevenson HSD |
| PMA Financial Network, Inc. |
| Preferred Meal Systems, Inc. |
| Reister Engineering, Inc. |
| Richard L. Johnson Associates, Inc. |
| Robbins, Schwartz, Nicholas, Lifton & Taylor, Ltd. |
| Scariano, Ellch, Himes, & Petrarca |
| Sente & Rubel, Ltd. Architects |
| ServiceMaster |
| SJI Financial Services, Inc. |
| STR Partners Ltd. |
| T. E. Meyer & Associates |
| Turner Construction Company |
| William F. Gurrie & Co., Ltd. |