Category:Industrial buildings and structures in Maryland

• Industrial buildings and structures on the National Register of Historic Places in Maryland (2 C, 20 P)
• Industrial buildings and structures on the National Register of Historic Places in Baltimore (34 P)

E

• Energy infrastructure in Maryland (1 C, 3 P)

I

• Ironworks and steel mills in Maryland (13 P)

M

• Motor vehicle assembly plants in Maryland (2 P)

S

• Shipyards of Maryland (4 P)