Plastics and Rubber Products Manufacturing in Maryland

NAICS 326 · MD

The Plastics and Rubber Products Manufacturing industry in Maryland has 136 establishments, according to the Bureau of Labor Statistics. This register lists 90 facilities in Maryland. The CertainTeed Corporation Williamsport Maryland plant employed 346 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Baltimore14 Cecil10 Montgomery10 Washington10 Baltimore9 Harford9 Howard5 Anne Arundel4

Biggest cities

Baltimore (13)Elkton (7)Hagerstown (6)Rockville (5)Belcamp (4)Williamsport (4)Rosedale (3)Forest Hill (3)North East (3)Elkridge (3)

Plants in Maryland4 FACILITIES

Facility	City	Employees	Status
Bottcher America Corporation	Belcamp	100–499	ACTIVE
D Wheatley Enterprises INC	Belcamp	20–99	LIKELY ACTIVE
Lifoam Industries, LLC	Belcamp	—	LIKELY ACTIVE
Monarch Manufacturing, INC.	Belcamp	—	UNVERIFIED

Search all 90 facilities

All plastics and rubber products manufacturing nationwide · All manufacturing in Maryland