Category:Establishments in Illinois by decade

0–9

• 1790s establishments in the Northwest Territory‎ (9 P)
• 1810s establishments in Illinois‎ (7 P)
• 1810s establishments in Illinois Territory‎ (10 P)
• 1820s establishments in Illinois‎ (2 C, 15 P)
• 1830s establishments in Illinois‎ (2 C, 19 P)
• 1840s establishments in Illinois‎ (2 C, 7 P)
• 1850s establishments in Illinois‎ (1 C, 8 P)
• 1860s establishments in Illinois‎ (1 C, 10 P)
• 1870s establishments in Illinois‎ (7 P)
• 1880s establishments in Illinois‎ (1 C, 4 P)
• 1890s establishments in Illinois‎ (13 P)
• 1900s establishments in Illinois‎ (12 P)
• 1910s establishments in Illinois‎ (7 P)
• 1920s establishments in Illinois‎ (4 C, 8 P)
• 1930s establishments in Illinois‎ (11 P)
• 1940s establishments in Illinois‎ (1 C, 12 P)
• 1950s establishments in Illinois‎ (6 P)
• 1960s establishments in Illinois‎ (1 C, 14 P)
• 1970s establishments in Illinois‎ (2 C, 13 P)
• 1980s establishments in Illinois‎ (3 C, 12 P)
• 1990s establishments in Illinois‎ (6 C, 6 P)
• 2000s establishments in Illinois‎ (5 C, 10 P)
• 2010s establishments in Illinois‎ (1 C, 6 P)