Company Name

Industry

Location

Revenue

Employees

Armstrong World Industries

Wholesale

United States, Pennsylvania

$250M to $500M

1001-5000

Nippon Electric Glass / NEG

Glass, Ceramics & Concrete

United States, Pennsylvania

$1B and Over

1001-5000

HarbisonWalker International

Glass, Ceramics & Concrete

United States, Pennsylvania

$250M to $500M

1001-5000

Spectrocell

Glass, Ceramics & Concrete

United States, Pennsylvania

$1M to $5M

1001-5000