AT&T
BMW
Corning Glass
Dentsply International
Control Data
Fujinon
Georgia Pacific
Hewlett Packard
IBM
Ingersoll Rand
International Paper
Kimberly Clark
Mercedes Benz
National Gypsum Company
Pittsburgh Plate Glass
Sony Corp.
Steuben Glass
St. Joe Minerals Co.
USG Corp.
US Mineral Products
Volvo of North America
Worthington Group, McGraw-Edison