Category:1821 establishments in the United States

• American companies established in 1821 (2 P)

A

• 1821 establishments in Alabama (8 P)
• 1821 establishments in Arkansas Territory (2 P)

C

• 1821 establishments in Connecticut (3 P)

F

• 1821 establishments in Florida Territory (7 P)

G

• 1821 establishments in Georgia (U.S. state) (7 P)

I

• 1821 establishments in Illinois (7 P)
• 1821 establishments in Indiana (16 P)

K

• 1821 establishments in Kentucky (9 P)

L

• 1821 establishments in Louisiana (4 P)

M

• 1821 establishments in Maine (9 P)
• 1821 establishments in Maryland (3 P)
• 1821 establishments in Massachusetts (12 P)
• 1821 establishments in Michigan Territory (2 P)
• 1821 establishments in Mississippi (4 P)
• Missouri (25 C, 4 P)
• 1821 establishments in Missouri (1 C, 12 P)

N

• 1821 establishments in New York (state) (25 P)
• 1821 establishments in North Carolina (1 P)

O

• 1821 establishments in Ohio (8 P)

P

• 1821 establishments in Pennsylvania (5 P)

S

• 1821 establishments in South Carolina (2 P)

T

• 1821 establishments in Tennessee (6 P)

V

• 1821 establishments in Vermont (3 P)
• 1821 establishments in Virginia (3 P)

W

• 1821 establishments in Washington, D.C. (4 P)

0–9

• 31st Cavalry Regiment (United States)

A

• American Legation, Tangier

B

• Battery A, 2nd U.S. Artillery

M

• Missouri

P

• Pacific Squadron
• Protestant Episcopal Church Mission

S

• Spanish Florida