Hewlett-Packard is one of the world's largest computer companies and the foremost producer of test and measurement instruments. HP makes computers, computer accessories, networking products, medical electronic equipment, instruments and systems for chemical analysis, handheld calculators and electronic components.

Headquartered in Palo Alto, California, the company employs more than 120,000 people, of whom some 69,000 work in the United States. HP has major sites in 28 U.S. cities and in Europe, Asia Pacific, Latin America and Canada. HP sells its products and services through about 600 sales and support offices and distributorships in more than 120 countries, and through resellers and retailers.