Category:Establishments in Ohio by year

• Establishments in Ohio by century (4 C)
• Establishments in Ohio by decade (13 C)

0–9

• 1803 establishments in Ohio (9 P)
• 1808 establishments in Ohio (8 P)
• 1810 establishments in Ohio (6 P)
• 1815 establishments in Ohio (4 P)
• 1817 establishments in Ohio (3 P)
• 1818 establishments in Ohio (5 P)
• 1819 establishments in Ohio (4 P)
• 1820 establishments in Ohio (3 P)
• 1824 establishments in Ohio (6 P)
• 1831 establishments in Ohio (4 P)
• 1833 establishments in Ohio (3 P)
• 1840 establishments in Ohio (3 P)
• 1850 establishments in Ohio (3 P)
• 1870 establishments in Ohio (3 P)