Air Products and Chemicals

American Institute of Certified Public Accountants

AstraZeneca International

Centocor Inc.

Colorcon Inc.

Department of Defense (DoD)

Eisai Inc.

Endo Pharmaceuticals

ExxonMobil Corporation

Merck & Co. Inc.

Pennsylvania Institute of Certified Public Accountants

Pulse Technologies

Shire

Trion

VWR International

Wilmington Trust