Nonmetallic Mineral Product Manufacturing in Maryland
NAICS 327 · MD
The register lists 196 facilities in Maryland. The Bureau of Labor Statistics counted 186 establishments in Maryland in 2025. Schuster Ready Mix, LLC, located in Owings Mills, employed 427 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Maryland11 FACILITIES
Listing 11 of 15: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Richards-wilbert INC | Hagerstown | — | ACTIVE |
| Hagerstown Block CO | Hagerstown | 20–99 | LIKELY ACTIVE |
| Amrize Hagerstown Cement Plant (formerly Holcim Ha | Hagerstown | — | LIKELY ACTIVE |
| BWIP Pavestone | Hagerstown | 20–99 | LIKELY ACTIVE |
| Daniel G. Schuster Concrete/h | Hagerstown | — | LIKELY ACTIVE |
| Beavercreek Concrete Plant | Beaver Creek | — | UNVERIFIED |
| Bluegrass Materials Rockdale Quarry | Clear Spring | — | UNVERIFIED |
| Redland Brick | Williamsport | — | UNVERIFIED |
| C.R. Semler Inc | Smithsburg, Md | 20–99 | LIKELY ACTIVE |
| ODL - Hagerstown, MD | Hagerstown | 1–19 | LIKELY ACTIVE |
| Williamsport | Williamsport | 20–99 | LIKELY ACTIVE |
All nonmetallic mineral product manufacturing nationwide · All manufacturing in Maryland