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 86 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

Biggest counties

Baltimore12 Prince George's9 Baltimore8 Anne Arundel6 Montgomery6 Carroll5 Charles5 Frederick5

Biggest cities

Baltimore (10)Waldorf (4)Hagerstown (3)Silver Spring (3)Aberdeen (3)Frederick (3)Finksburg (3)Clinton (3)Curtis Bay (2)Eden (2)

Plants in Maryland3 FACILITIES

Facility	City	Employees	Status
Maryland Paving INC.	Aberdeen	—	LIKELY ACTIVE
Maryland Portable Concrete-riverside	Aberdeen	20–99	LIKELY ACTIVE
Allan Myers Md, INC. - Aberdeen Asphalt Plant	Aberdeen	—	UNVERIFIED

Search all 86 facilities

All petroleum and coal products manufacturing nationwide · All manufacturing in Maryland