PPG Industries
Founded in 1883 as Pittsburgh Plate Glass, the first commercially successful plate glass company in the United States. They now produce aircraft, automotive, and flat glass; coatings, specialty chemicals, and fiberglass products.

WESCO International
This Fortune 500 Company headquartered in Pittsburgh is a leading electrical distributor in North America.

Westinghouse Electric
In the beginning, there were 200 employees at a rented plant in Pittsburgh's Garrison Alley when, on January 8, 1886, a charter was granted to the Westinghouse Electric Company.

U.S. Airways
The world's 5th largest passenger carrying airline began in 1939 as All American Aviation, a "flying post office" service which brought airmail service to many small Western Pennsylvania and Ohio Valley communities.

USX
This Fortune 500 company, with headquarters in Pittsburgh, is a major worldwide producer of oil and natural gas, and the nation's largest producer of steel products.

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