Category:Manufacturing companies based in Maryland

• Manufacturing companies based in Baltimore (26 P)

D

• Defunct manufacturing companies based in Maryland (2 C, 17 P)

I

• Ironworks and steel mills in Maryland (12 P)

L

• Lockheed Martin (8 C, 106 P)

M

• Motor vehicle manufacturers based in Maryland (5 P)
• Motor vehicle assembly plants in Maryland (2 P)