In San Francisco, the McKesson Corporation underwrites high school science and reading laboratories.

The McKesson Corporation plans to divest itself of its unprofitable office products operation.

The building serves as headquarters for the McKesson Corporation.

The McKesson Corporation said it had sold $125 million of convertible preferred stock to an employee stock ownership plan.

Only one company, the McKesson Corporation, agreed.

The 158-year-old McKesson Corporation is old enough to refer to all but a handful of American companies as young whippersnappers.

He is chairman and chief executive of the McKesson Corporation, which describes itself as the nation's leading health care information technology company.

The combined company will be called the McKesson Corporation.

(Only a handful of companies, including the McKesson Corporation, which pioneered the concept, have taken the summary approach.)

The McKesson Corporation offered $100 million worth of seven-year notes.