• AC Nielsen
• American Bar Assoc.
• Amer. Orthopedic Assoc.
• A.T. Kearney, Inc
• Avaya Communications
• BMC Software
• IGA, Inc
• Johnson International
• Motorola
• National Speakers Bureau
• Navistar
• Nicor

• Nortel
• One Smooth Stone
• Pepper Construction
• Sara Lee Corp.
• Savant Capital
• Successories, Inc.
• Sun Microsystems
• SwedishAmerican Hospital
• Takeda Pharmaceuticals
• Verizon
• Xerox