US Factory Map

Glass, cement and stone manufacturers in Connecticut

Connecticut has 137 glass, cement and stone establishments employing 2,940 people (Census, 2023), and EPA's ECHO database lists 69 active glass, cement and stone facilities in the state. By employment it is Connecticut's number 11 manufacturing industry, and Connecticut ranks number 36 among states for it.

NAICS subsector
327
Nonmetallic Mineral Product Manufacturing
Establishments
137
Census 2023
Employees
2,940
Census 2023
In EPA records
69
With a page here
0
Revised
November 11, 2026

Where they cluster

Cities with the most active glass, cement and stone facilities in EPA records: Milford (6), Waterbury (5), Plainville (2), Bridgeport (2), Cromwell (2).

Glass, cement and stone manufacturing across the US. Everything made in Connecticut.