| HailStorm Brewing Company | 8060 186th St | Tinley Park | Illinois | 60487-9215 | United States | micro | |
| Hairy Cow Brewing Co, LLC | | Byron | Illinois | 61010 | United States | planning | |
| Half Acre Beer Co | 4257 N Lincoln Ave | Chicago | Illinois | 60618-2953 | United States | regional | |
| Half Day Brewing Company | 200 Village Grn | Lincolnshire | Illinois | 60069-3028 | United States | brewpub | |
| Hamburger Mary's/Andersonville Brewing Company | 5402 N Clark St | Chicago | Illinois | 60640-1210 | United States | brewpub | |
| Hand of Fate Brewing Co | 107 E Douglas Ave | Petersburg | Illinois | 62675-1558 | United States | micro | |
| Haymarket Pub and Brewery | 737 W Randolph St | Chicago | Illinois | 60661-2103 | United States | brewpub | |
| Hickory Creek Brewing Company LLC | 1005 W Laraway Rd Unit 260 | New Lenox | Illinois | 60451 | United States | micro | |
| Hofbrauhaus Chicago | 5500 Park Pl | Rosemont | Illinois | 60018-3730 | United States | brewpub | |
| Hofbrauhaus St. Louis-Belleville | 123 Saint Eugene Dr | Belleville | Illinois | 62223-1154 | United States | brewpub | |
| Hop Butcher For the World | 1000 N Frontage Rd Ste C | Darien | Illinois | 60561-6448 | United States | micro | |
| Hopewell Brewing Co | 2760 N Milwaukee Ave | Chicago | Illinois | 60647-1337 | United States | micro | |
| Hopskeller Brewing Company | 116 E 3rd St | Waterloo | Illinois | 62298-1608 | United States | brewpub | |
| Hopvine Brewing Company | 4030 Fox Valley Center Dr | Aurora | Illinois | 60504-4109 | United States | brewpub | |
| Horse Thief Hollow Brewery | 10426 S Western Ave | Chicago | Illinois | 60643-2508 | United States | brewpub | |
| ILL STYLEZ BREWING | | Freeport | Illinois | 61032-4761 | United States | planning | |
| Illuminated Brew Works | 415 N Sangamon St | Chicago | Illinois | 60642-6546 | United States | micro | |
| Imperial Oak Brewing Co | 501 Willow Blvd Ste 108 | Willow Springs | Illinois | 60480-1710 | United States | micro | |
| Industry Brewing | 8012 N Hale Ave | Peoria | Illinois | 61615-2050 | United States | brewpub | |
| Iron Spike Brewing Company | 150 E Simmons St Ste 1 | Galesburg | Illinois | 61401-4641 | United States | brewpub | |
| Itasca Brewing Company Inc | 400 E Orchard St Ste B | Itasca | Illinois | 60143-1773 | United States | micro | |
| John S. Rhodell Brewery | 100 Walnut St Ste 111 | Peoria | Illinois | 61602-1544 | United States | micro | |
| JT Walker's/Champaign County Brewing Co | 402 E Main St | Mahomet | Illinois | 61853-7444 | United States | brewpub | |
| Karetas Brewing | 1480 Industrial Dr Ste C | Itasca | Illinois | 60143-1857 | United States | contract | |
| Keg Grove Brewing Company | 712 E Empire St Ste 2 | Bloomington | Illinois | 61701-3252 | United States | micro | |
| Kings & Convicts Brewing | 523 Bank Ln | Highwood | Illinois | 60040-1303 | United States | micro | |
| Kinslahger Brewing Company | 6806 Roosevelt Rd | Oak Park | Illinois | 60304-1905 | United States | micro | |
| Knox County Brewing Co. | | Galesburg | Illinois | 61401 | United States | planning | |
| Lagunitas Brewing Co | 2607 W 17th St | Chicago | Illinois | 60608-1823 | United States | large | |
| Lake Bluff Brewing Company | 16 E Scranton Ave | Lake Bluff | Illinois | 60044-2543 | United States | micro | |
| Lake Brothers Beer Company | 25W275 Woodstock Ct | Naperville | Illinois | 60540-3427 | United States | contract | |
| Lake Effect Brewing Company | 4727 W Montrose Ave | Chicago | Illinois | 60641-1504 | United States | micro | |
| Lake St Brewing | | Oak Park | Illinois | 60302-1355 | United States | planning | |
| Lena Brewing Company | 9416 W Wagner Rd | Lena | Illinois | 61048-9664 | United States | micro | |
| Lieferbrau Brewery LLC | 118 East Market Street | Red Bud | Illinois | 62278 | United States | micro | |
| Light the Lamp Brewery | 10 N Lake St Ste 107 | Grayslake | Illinois | 60030-3636 | United States | micro | |
| Lil Beaver Brewery | 16 Currency Dr Unit B | Bloomington | Illinois | 61704-9632 | United States | micro | |
| Lionstone Brewing | 1225 S Oakwood Ave | Geneseo | Illinois | 61254-1990 | United States | brewpub | |
| Lo Rez Brewing | 2101 S Carpenter St | Chicago | Illinois | 60608-4529 | United States | micro | |
| Local Option | 1102 W Webster Ave Ste 1 | Chicago | Illinois | 60614-7089 | United States | contract | |
| Lot 50 Brewing | 112 E Court St | Paris | Illinois | 61944-2210 | United States | micro | |
| Lucky Monk Burger, Pizza & Beer Co | 105 Hollywood Blvd | South Barrington | Illinois | 60010-7121 | United States | brewpub | |
| Lunar Brewing Co | 54 E Saint Charles Rd | Villa Park | Illinois | 60181-2434 | United States | proprietor | |
| Mad Mouse Brewery | | Chicago | Illinois | 60607-5017 | United States | contract | |
| Mainstreet Brewing Company | 4204 W Main St | Belleville | Illinois | 62226 | United States | micro | |
| Maplewood Brewing Company | 2717 N Maplewood Ave | Chicago | Illinois | 60647-1930 | United States | micro | |
| Marz Community Brewing | 3630 S Iron St | Chicago | Illinois | 60609 | United States | proprietor | |
| Maverick Ales & Lager | | Chicago | Illinois | 60612 | United States | planning | |
| McHenry Brewing Company | | McHenry | Illinois | 60050 | United States | planning | |
| Metal Monkey Brewing LLC | 515 Anderson Dr Ste 900 | Romeoville | Illinois | 60446-1494 | United States | micro | |