Primary Metal Manufacturing in Maryland

NAICS 331 · MD

The register lists 37 facilities in Maryland. The Bureau of Labor Statistics counted 58 establishments in Maryland. CAMBRIDGE INTERNATIONAL, located in Cambridge, employed 136 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Baltimore13 Baltimore9 Anne Arundel3 Dorchester2 Montgomery2 Caroline1 Carroll1 Cecil1

Biggest cities

Baltimore (18)Sparrows Point (4)Bethesda (2)Cambridge (2)Accident (1)Frederick (1)Hagerstown (1)Mount Airy (1)North East (1)Pasadena (1)

Products made in Maryland2 PRODUCTS

Product	Source	Facilities
Heat Treating	Company website	1
Rapid Prototyping	Company website	1

Search all 37 facilities

All primary metal manufacturing nationwide · All manufacturing in Maryland