Company Name

Industry

Location

Revenue

Employees

BOSTON SAND & GRAVEL

Glass, Ceramics & Concrete

United States, Massachusetts

$25M to $50M

51-200

PremaTech Advanced Ceramics

Glass, Ceramics & Concrete

United States, Massachusetts

$10M to $25M

51-200

United Lens Company

Glass, Ceramics & Concrete

United States, Massachusetts

$10M to $25M

51-200

CeramOptec Industries

Glass, Ceramics & Concrete

United States, Massachusetts

$1M to $5M

51-200

Opto-Line International, Inc.

Glass, Ceramics & Concrete

United States, Massachusetts

Under $1M

51-200