Nonmetallic Mineral Product Manufacturing in Maryland
NAICS 327 · MD
Maryland is home to Nonmetallic Mineral Product Manufacturing, industry NAICS code 327. The Bureau of Labor Statistics counted 190 establishments in Maryland in 2024, with an annual payroll of about $0.3 billion. Listed in the register are 192 facilities in Maryland, and Baltimore has 24 of these.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Maryland8 FACILITIES
| Facility | City | Employees | Status |
|---|---|---|---|
| Daniel G. Schuster, INC. - Frederick Plant | Frederick | — | UNVERIFIED |
| Lafarge Aggregates & Concrete | Frederick | — | UNVERIFIED |
| Rinker Materials Hydro Conduit- Frederick | Frederick | — | UNVERIFIED |
| BWICP Rinker Materials | Frederick | 20–99 | LIKELY ACTIVE |
| United Plate Glass Company (Frederick) | Frederick | 1–19 | LIKELY ACTIVE |
| Hydro Conduit Corporation | Frederick | — | UNVERIFIED |
| Protec Glass, LLC | Frederick | — | UNVERIFIED |
| Protec Glass LLC T a Rowland Glass Studios | Frederick | — | UNVERIFIED |
All nonmetallic mineral product manufacturing nationwide · All manufacturing in Maryland