Petroleum and Coal Products Manufacturing in Maryland

NAICS 324 · MD

In 2024, the Bureau of Labor Statistics counted 55 establishments in Maryland within the Petroleum and Coal Products Manufacturing industry. The annual payroll for these establishments was about $0.1 billion, according to the Bureau of Labor Statistics. Listed in the register are 88 facilities in Maryland, across 54 cities. TAMKO Building Products LLC - Frederick had 105 employees in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Baltimore15 Baltimore7 Prince George's7 Anne Arundel6 Carroll5 Charles5 Frederick5 Montgomery5

Biggest cities

Baltimore (12)Waldorf (4)Frederick (3)Hagerstown (3)Clinton (3)Finksburg (3)Aberdeen (3)Bishopville (2)Curtis Bay (2)Cumberland (2)

Plants in Maryland2 FACILITIES

Facility	City	Employees	Status
Belt Paving INC	Cumberland	—	UNVERIFIED
Liller Brothers Asphalt	Cumberland	—	UNVERIFIED

Search all 88 facilities

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