Petroleum and Coal Products Manufacturing in Maryland
NAICS 324 · MD
The Petroleum and Coal Products Manufacturing industry in Maryland has 56 establishments, according to the Bureau of Labor Statistics. This register lists 85 facilities in Maryland. TAMKO Building Products LLC - Frederick employs 105 people, according to data from 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Maryland65 FACILITIES
Listing 65 of 85: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Keystone Lime - Garrett CO Hot Mix | Friendsville | — | UNVERIFIED |
| Lafarge - Chase Sand Plant | Chase | — | UNVERIFIED |
| Laurel Sand and Gravel, INC. - Elkridge | Elkridge | — | UNVERIFIED |
| Laurel Sand & Gravel, INC - Laurel | Laurel | — | UNVERIFIED |
| Liller Brothers Asphalt | Cumberland | — | UNVERIFIED |
| Lorco of Maryland | Elkton | — | UNVERIFIED |
| Maryland Paving Churchville | Bel Air | — | UNVERIFIED |
| Mattern Materials | Boonsboro | — | UNVERIFIED |
| P. Flanigan and Sons, INC - Annapolis Rd | Baltimore | — | UNVERIFIED |
| Safety-kleen Service Center | Silver Spring | — | UNVERIFIED |
| S& G Concrete | Finksburg | — | UNVERIFIED |
| Soil Safe INC | Brandywine | — | UNVERIFIED |
| Baltimore | Baltimore | 100–499 | LIKELY ACTIVE |
| C.J. Miller LLC Woodsboro | Woodsboro | 1–19 | LIKELY ACTIVE |
| Bma Services LLC / Morgantown Plant | Newburg | — | UNVERIFIED |
All petroleum and coal products manufacturing nationwide · All manufacturing in Maryland