Illinois Education Association

Illinois Public Broadcasting Consortium

Illinois Secretary of State

Illinois State Fire Marshal

Illinois State Museum
Illinois Student Assistance Commission
McGraw Hill Publislhers

Medcom, Inc.

Medical News Network

Mosby Publishers, Inc.

National Safety Council

Peter Arnold, Inc.

Photo Researchers, Inc.

Prairie Cardiovascular Consultants
Prairie Heart Institute

Prairie Education and Research Cooperative

The Psychological Corporation

Rehabilitation Institute of Chicago

Southern Illinois University School of Medicine
State's Attorneys Appellate Prosecutors

Universal Health Care Associates

Visuals Unlimited

Walt Disney Productions

William C. Brown, Publishers

Williams and Wilkins