- Addison, Illinois (3 Companies)
- Algonquin, Illinois (1 Company)
- Alton, Illinois (1 Company)
- Antioch, Illinois (2 Companies)
- Arlington Heights, Illinois (1 Company)
- Aurora, Illinois (7 Companies)
- Barrington, Illinois (4 Companies)
- Bartlett, Illinois (1 Company)
- Batavia, Illinois (2 Companies)
- Belleville, Illinois (4 Companies)
- Belvidere, Illinois (3 Companies)
- Bensenville, Illinois (3 Companies)
- Benton, Illinois (2 Companies)
- Bloomington, Illinois (2 Companies)
- Bolingbrook, Illinois (3 Companies)
- Breese, Illinois (1 Company)
- Bridgeview, Illinois (1 Company)
- Brimfield, Illinois (1 Company)
- Brookfield, Illinois (1 Company)
- Buffalo Grove, Illinois (2 Companies)
- Burr Ridge, Illinois (1 Company)
- Canton, Illinois (1 Company)
- Carbondale, Illinois (1 Company)
- Carol Stream, Illinois (1 Company)
- Carpentersville, Illinois (2 Companies)
- Cary, Illinois (1 Company)
- Champaign, Illinois (3 Companies)
- Chester, Illinois (1 Company)
- Chicago Heights, Illinois (1 Company)
- Chicago, Illinois (126 Companies)
- Clarendon Hills, Illinois (1 Company)
- Clinton, Illinois (1 Company)
- Collinsville, Illinois (1 Company)
- Columbia, Illinois (1 Company)
- Crystal Lake, Illinois (9 Companies)
- Darien, Illinois (1 Company)
- Decatur, Illinois (1 Company)
- Deerfield, Illinois (6 Companies)
- Des Plaines, Illinois (2 Companies)
- Downers Grove, Illinois (5 Companies)
- East Alton, Illinois (2 Companies)
- East Dundee, Illinois (1 Company)
- Edwardsville, Illinois (1 Company)
- Elburn, Illinois (1 Company)
- Elgin, Illinois (6 Companies)
- Elk Grove Village, Illinois (4 Companies)
- Elkhart, Illinois (1 Company)
- Elmhurst, Illinois (2 Companies)
- Evanston, Illinois (3 Companies)
- Forest Park, Illinois (1 Company)
- Fox Lake, Illinois (1 Company)
- Frankfort, Illinois (2 Companies)
- Franklin Park, Illinois (3 Companies)
- Galva, Illinois (1 Company)
- Geneva, Illinois (2 Companies)
- Glen Ellyn, Illinois (1 Company)
- Glendale Heights, Illinois (1 Company)
- Glenview, Illinois (2 Companies)
- Granite City, Illinois (1 Company)
- Gurnee, Illinois (1 Company)
- Hampshire, Illinois (1 Company)
- Herod, Illinois (1 Company)
- Hickory Hills, Illinois (1 Company)
- Highland Park, Illinois (2 Companies)
- Highland, Illinois (1 Company)
- Highwood, Illinois (1 Company)
- Hillside, Illinois (1 Company)
- Hoffman Estates, Illinois (2 Companies)
- Huntley, Illinois (2 Companies)
- Ingleside, Illinois (3 Companies)
- Itasca, Illinois (1 Company)
- Kankakee, Illinois (2 Companies)
- Lake in the Hills, Illinois (3 Companies)
- Lake Zurich, Illinois (4 Companies)
- Lemont, Illinois (1 Company)
- Libertyville, Illinois (3 Companies)
- Lincolnshire, Illinois (3 Companies)
- Lincolnwood, Illinois (2 Companies)
- Lisle, Illinois (3 Companies)
- Lockport, Illinois (3 Companies)
- Long Grove, Illinois (1 Company)
- Loves Park, Illinois (1 Company)
- Mahomet, Illinois (1 Company)
- Marengo, Illinois (3 Companies)
- Marion, Illinois (1 Company)
- Maroa, Illinois (1 Company)
- McCook, Illinois (1 Company)
- McHenry, Illinois (2 Companies)
- Melrose Park, Illinois (1 Company)
- Mendota, Illinois (1 Company)
- Mokena, Illinois (1 Company)
- Moline, Illinois (1 Company)
- Momence, Illinois (1 Company)
- Morton Grove, Illinois (2 Companies)
- Mount Prospect, Illinois (1 Company)
- Mundelein, Illinois (2 Companies)
- Murphysboro, Illinois (1 Company)
- Naperville, Illinois (15 Companies)
- Nauvoo, Illinois (1 Company)
- New Baden, Illinois (1 Company)
- New Lenox, Illinois (2 Companies)
- Niles, Illinois (1 Company)
- North Aurora, Illinois (1 Company)
- Northbrook, Illinois (3 Companies)
- O Fallon, Illinois (4 Companies)
- Oak Brook, Illinois (2 Companies)
- Oak Park, Illinois (2 Companies)
- Orland Park, Illinois (4 Companies)
- Oswego, Illinois (1 Company)
- Palatine, Illinois (6 Companies)
- Palos Heights, Illinois (1 Company)
- Park Forest, Illinois (2 Companies)
- Park Ridge, Illinois (3 Companies)
- Peoria, Illinois (1 Company)
- Peru, Illinois (1 Company)
- Pingree Grove, Illinois (1 Company)
- Plainfield, Illinois (6 Companies)
- Quincy, Illinois (3 Companies)
- Rantoul, Illinois (1 Company)
- Ridgway, Illinois (1 Company)
- River Grove, Illinois (1 Company)
- Riverside, Illinois (2 Companies)
- Rock Island, Illinois (1 Company)
- Rockdale, Illinois (1 Company)
- Rockford, Illinois (4 Companies)
- Rolling Meadows, Illinois (2 Companies)
- Roselle, Illinois (1 Company)
- Rosemont, Illinois (1 Company)
- Saint Anne, Illinois (1 Company)
- Saint Charles, Illinois (8 Companies)
- Saint Joseph, Illinois (1 Company)
- Schaumburg, Illinois (9 Companies)
- Schiller Park, Illinois (1 Company)
- Shiloh, Illinois (1 Company)
- Shorewood, Illinois (1 Company)
- Skokie, Illinois (9 Companies)
- Smithton, Illinois (1 Company)
- South Barrington, Illinois (1 Company)
- South Holland, Illinois (1 Company)
- Springfield, Illinois (1 Company)
- St Charles, Illinois (2 Companies)
- Sugar Grove, Illinois (1 Company)
- Sullivan, Illinois (1 Company)
- Tinley Park, Illinois (1 Company)
- Washington, Illinois (2 Companies)
- Waterloo, Illinois (1 Company)
- Wauconda, Illinois (1 Company)
- Waukegan, Illinois (1 Company)
- West Chicago, Illinois (7 Companies)
- West Dundee, Illinois (1 Company)
