| Springfield | Illinois Chamber of Commerce |
| Addison | Addison Chamber of Commerce & Ind. |
| Algonquin | Algonquin-Lake in the Hills Chamber of Commerce |
| Alsip | Alsip Chamber of Commerce |
| Altamont | Altamont Chamber of Commerce |
| Anna | Union County Chamber of Commerce |
| Antioch | Antioch Chamber of Commerce |
| Arcola | Arcola Chamber of Commerce |
| Arlington Heights | Arlington Heights Chamber of Commerce |
| Arthur | Arthur Area Assn. of Commerce |
| Aurora | Aurora Reg. Chamber of Commerce |
| Barrington | Barrington Area Chamber of Commerce |
| Bartlett | Bartlett Area Chamber of Commerce |
| Batavia | Batavia Chamber of Commerce |
| Beardstown | Beardstown Chamber of Commerce |
| Bedford Park | Burbank Chamber of Commerce |
| Beecher | Beecher Chamber of Commerce |
| Belleville | Greater Belleville Chamber of Commerce |
| Bellwood | Bellwood Chamber of Commerce & Ind. |
| Belvidere | Belvidere Area Chamber of Commerce |
| Bensenville | Bensenville Chamber of Commerce |
| Benton | Benton-West City Area Chamber of Commerce |
| Bloomingdale | Bloomingdale Chamber of Commerce |
| Bloomington | McLean County Chamber of Commerce |
| Blue Island | Blue Island Area Chamber of Commerce & Ind. |
| Bolingbrook | Bolingbrook Area Chamber of Commerce |
| Breese | Breese Chamber of Commerce |
| Bridgeview | Bridgeview Chamber of Commerce & Ind. |
| Brookfield | Brookfield Chamber of Commerce |
| Buffalo Grove | Buffalo Grove Lincolnshire Chamber of Commerce |
| Burr Ridge | Willowbrook/Burr Ridge Chamber of Commerce & Ind. |
| Bushnell | Bushnell Chamber of Commerce |
| Byron | Byron Area Chamber of Commerce |
| Cahokia | Cahokia Area Chamber of Commerce |
| Calumet City | Calumet City Chamber of Commerce |
| Canton | Canton Area Chamber of Commerce |
| Carlinville | Carlinville Comm. Chamber of Commerce |
| Carmi | Carmi Chamber of Commerce |
| Carol Stream | Carol Stream Chamber of Commerce |
| Carpentersville | Northern Kane County Chamber of Commerce |
| Carrollton | Carrollton Chamber of Commerce |
| Carterville | Carterville Chamber of Commerce |
| Carthage | Carthage Area Chamber of Commerce |
| Cary | Cary Grove Area Chamber of Commerce |
| Casey | Casey Chamber of Commerce |
| Centralia | Greater Centralia Chamber of Commerce |
| Champaign | Champaign County Chamber of Commerce |
| Charleston | Charleston Area Chamber of Commerce |
| Chatham | Chatham Area Chamber |
| Chester | Chester Chamber of Commerce |
| Chicago | Albany Park Chamber of Commerce |
| Chicago | Bronzeville Chamber of Commerce |
| Chicago | Business Partners, the Chamber for Uptown |
| Chicago | Chicagoland Chamber of Commerce |
| Chicago | Cosmopolitan Chamber of Commerce |
| Chicago | East Side Chamber of Commerce |
| Chicago | Edgebrook-Sauganash Chamber of Commerce |
| Chicago | Edgewater Chamber of Commerce |
| Chicago | Hyde Park Chamber of Commerce |
| Chicago | Jefferson Park Chamber of Commerce |
| Chicago | Lake View East Chamber of Commerce |
| Chicago | Lincoln Park Chamber of Commerce |
| Chicago | Mount Greenwood Chamber of Commerce |
| Chicago | Portage Park Chamber of Commerce |
| Chicago | Wicker Park & Bucktown Chamber of Commerce |
| Chillicothe | Chillicothe Chamber of Commerce |
| Clinton | Clinton Area Chamber of Commerce & Tourism Bur. |
| Collinsville | Collinsville Chamber of Commerce |
| Crete | Crete Area Chamber of Commerce |
| Crystal Lake | Crystal Lake Chamber of Commerce |
| Danville | Vermilion Advantage - Chamber Div. |
| Darien | Darien Chamber of Commerce |
| Decatur | Greater Decatur Chamber of Commerce |
| Deerfield | Deerfield Bannockburn Riverwoods Chamber of Commerce |
| DeKalb | DeKalb Chamber of Commerce |
| Des Plaines | Des Plaines Chamber of Commerce & Ind. |
| Dixon | Dixon Chamber of Commerce & Main Street |
| Downers Grove | Chamber630-Downers Grove Ofc. |
| Du Quoin | Du Quoin Chamber of Commerce |
| Dwight | Dwight Eco. Alliance |
| East Peoria | East Peoria Chamber of Commerce |
| Edwardsville | Edwardsville/Glen Carbon Chamber of Commerce |
| Effingham | Effingham County Chamber of Commerce |
| El Paso | El Paso Chamber of Commerce |
| Elgin | Elgin Area Chamber of Commerce |
| Elizabeth | Elizabeth Area Chamber of Commerce |
| Elmhurst | Elmhurst Chamber of Commerce & Ind. |
| Elmwood Park | The Grand Corridor Chamber of Commerce |
| Evanston | Evanston Chamber of Commerce |
| Evergreen Park | Evergreen Park Chamber of Commerce |
| Fairbury | Fairbury Chamber of Commerce |
| Fairfield | Greater Fairfield Area Chamber of Commerce |
| Flora | Flora Chamber of Commerce |
| Forest Park | Forest Park Chamber of Commerce & Dev. |
| Fox Lake | Fox Lake Area Chamber of Commerce & Ind. |
| Frankfort | Frankfort Chamber of Commerce |
| Franklin Park | Chamber By O'Hare |
| Freeburg | Freeburg Chamber of Commerce |
| Freeport | Freeport Area Chamber of Commerce |
| Galena | Galena Area Chamber of Commerce |
| Galesburg | Galesburg Area Chamber of Commerce |
| Galva | Galva Chamber of Commerce |
| Geneseo | Geneseo Chamber of Commerce |
| Geneva | Geneva Chamber of Commerce |
| Genoa | Genoa Area Chamber of Commerce |
| Gibson City | Gibson Area Chamber of Commerce |
| Gillespie | Coal Country Chamber of Commerce |
| Gilman | Iroquois County Chamber of Commerce |
| Girard | Girard Chamber of Commerce |
| Glen Ellyn | Glen Ellyn Chamber of Commerce |
| Glencoe | Glencoe Chamber of Commerce |
| Glendale Heights | Glendale Heights Chamber of Commerce |
| Glenview | Glenview Chamber of Commerce |
| Godfrey | RiverBend Growth Assn. |
| Granite City | Chamber of Commerce of Southwestern Madison County |
| Grant Park | Grant Park Chamber of Commerce |
| Grayslake | Grayslake Area Chamber of Commerce & Ind. |
| Greenville | Greenville Chamber of Commerce |
| Gurnee | Lake County Chamber of Commerce |
| Hampshire | Hampshire Area Chamber of Commerce |
| Harrisburg | Saline County Chamber of Commerce |
| Harvard | Harvard Chamber of Commerce & Ind. |
| Havana | Havana Area Chamber of Commerce |
| Herrin | Herrin Chamber of Commerce |
| Highland | Highland Chamber of Commerce |
| Highland Park | Highland Park Chamber of Commerce |
| Highwood | Highwood Chamber of Commerce |
| Hillsboro | Hillsboro Chamber of Commerce |
| Hillside | Hillside-Berkeley Chamber of Commerce |
| Hinsdale | Hinsdale Chamber of Commerce |
| Hoffman Estates | Hoffman Estates Chamber of Commerce & Ind. |
| Homer Glen | Homer Glen Area Chamber of Commerce |
| Homewood | Homewood Area Chamber of Commerce |
| Hoopeston | Hoopeston Chamber of Commerce |
| Huntley | Huntley Area Chamber of Commerce & Ind. |
| Itasca | GOA Reg. Bus. Assn. |
| Jacksonville | Jacksonville Area Chamber of Commerce |
| Jerseyville | Jersey County Bus. Assn. |
| Joliet | Joliet Region Chamber of Commerce & Ind. |
| Kankakee | Kankakee County Chamber of Commerce |
| Kewanee | Kewanee Chamber of Commerce |
| LaGrange | West Suburban Chamber of Commerce & Ind. |
| Lake Forest | Lake Forest/Lake Bluff Chamber of Commerce |
| Lake Zurich | Lake Zurich Area Chamber of Commerce |
| Lansing | Lansing Area Chamber of Commerce |
| Lawrenceville | Lawrence County Chamber of Commerce |
| Lebanon | Lebanon Chamber of Commerce |
| Lemont | Lemont Area Chamber of Commerce |
| Libertyville | Green Oaks/Libertyville/Mundelein/Vernon Hills Chamber of Commerce |
| Lincoln | Lincoln/Logan County Chamber of Commerce |
| Lincolnwood | Lincolnwood Chamber of Commerce & Ind. |
| Lindenhurst | Lindenhurst-Lake Villa Chamber of Commerce |
| Lisle | Lisle Area Chamber of Commerce |
| Litchfield | Litchfield Chamber of Commerce |
| Lockport | Lockport Chamber of Commerce |
| Lombard | Lombard Area Chamber of Commerce & Ind. |
| Loves Park | Parks Chamber of Commerce |
| Lynwood | Lynwood Chamber of Commerce |
| Macomb | Macomb Area Chamber of Commerce |
| Mahomet | Mahomet Area Chamber of Commerce |
| Manhattan | Manhattan Chamber of Commerce |
| Manteno | Manteno Chamber of Commerce |
| Marengo | Marengo-Union Chamber of Commerce |
| Marion | Marion Chamber of Commerce |
| Marseilles | Illinois River Area Chamber of Commerce |
| Marshall | Marshall Area Chamber of Commerce |
| Mascoutah | Mascoutah Chamber of Commerce |
| Matteson | Matteson Business Assn. |
| Mattoon | Mattoon Chamber of Commerce |
| McHenry | McHenry Area Chamber of Commerce |
| McLeansboro | Hamilton County Chamber of Commerce |
| Mendota | Mendota Area Chamber of Commerce |
| Metropolis | Metropolis Area Chamber of Commerce, Tourism & Eco. Dev. |
| Midlothian | Midlothian Area Chamber of Commerce |
| Mokena | Mokena Chamber of Commerce |
| Moline | Quad Cities Chamber of Commerce |
| Momence | Momence Chamber of Commerce |
| Monee | Monee Area Chamber of Commerce |
| Monmouth | Monmouth Area Chamber of Commerce |
| Montgomery | Greater Montgomery Area Chamber of Commerce |
| Monticello | Monticello Chamber of Commerce |
| Morris | Grundy County Chamber of Commerce & Ind. |
| Morrison | Morrison Chamber of Commerce |
| Morton | Morton Chamber of Commerce |
| Morton Grove | Morton Grove Chamber of Commerce & Ind. |
| Mount Carmel | Wabash County Chamber of Commerce |
| Mount Carroll | Mount Carroll Chamber of Commerce |
| Mount Prospect | Mount Prospect Chamber of Commerce |
| Mount Vernon | Jefferson County Chamber of Commerce |
| Mount Zion | Mount Zion Chamber of Commerce |
| Murphysboro | Murphysboro Chamber of Commerce |
| Naperville | Naperville Area Chamber of Commerce |
| Nashville | Nashville Chamber of Commerce |
| Nauvoo | Nauvoo Chamber of Commerce |
| New Lenox | New Lenox Chamber of Commerce |
| Newton | Jasper County Chamber of Commerce |
| Niles | Niles Chamber of Commerce & Ind. |
| North Chicago | North Chicago Chamber of Commerce |
| Northbrook | Northbrook Chamber of Commerce & Ind. |
| O'Fallon | O'Fallon-Shiloh Chamber of Commerce |
| Oak Brook | Greater Oak Brook Chamber of Commerce |
| Oak Forest | Oak Forest-Crestwood Area Chamber of Commerce |
| Oak Lawn | Oak Lawn Chamber of Commerce |
| Oblong | Oblong Chamber of Commerce |
| Okawville | Okawville Chamber of Commerce |
| Olney | Olney & the Greater Richland County Chamber of Commerce |
| Oregon | Oregon Area Chamber of Commerce |
| Orland Park | Chicago Southland Chamber of Commerce |
| Orland Park | Orland Park Area Chamber of Commerce |
| Oswego | Oswego Chamber of Commerce |
| Ottawa | Ottawa Area Chamber of Commerce & Ind. |
| Palatine | Palatine Area Chamber of Commerce |
| Palestine | Palestine Chamber of Commerce |
| Palos Heights | Palos Area Chamber of Commerce |
| Palos Hills | The Hills Chamber of Commerce |
| Pana | Pana Chamber of Commerce |
| Paris | Paris Area Chamber of Commerce & Tourism |
| Park Ridge | Park Ridge Chamber of Commerce |
| Paxton | Paxton Area Chamber of Commerce |
| Pekin | Pekin Area Chamber of Commerce |
| Peoria | Peoria Area Chamber of Commerce |
| Peoria Heights | Peoria Heights Chamber of Commerce |
| Peotone | Peotone Chamber of Commerce |
| Peru | Illinois Valley Area Chamber of Commerce & Eco. Dev. |
| Petersburg | Petersburg Chamber of Commerce |
| Pinckneyville | Pinckneyville Chamber of Commerce |
| Pittsfield | Pike County Chamber of Commerce |
| Plainfield | Plainfield Area Chamber of Commerce |
| Plano | Plano Area Chamber of Commerce |
| Polo | Polo Chamber of Commerce |
| Pontiac | Pontiac Area Chamber of Commerce |
| Princeton | Princeton Area Chamber of Commerce & Main Street |
| Quincy | Quincy Area Chamber of Commerce |
| Rantoul | Rantoul Area Chamber of Commerce |
| Red Bud | Red Bud Chamber of Commerce |
| Richmond | Richmond/Spring Grove Chamber of Commerce |
| River Forest | Oak Park-River Forest Chamber of Commerce |
| Riverdale | Riverdale Chamber of Commerce |
| Riverside | Riverside Chamber of Commerce |
| Robinson | Robinson Chamber of Commerce |
| Rochelle | Rochelle Area Chamber of Commerce & Bus. Dev. |
| Rock Falls | Rock Falls Chamber of Commerce |
| Rockford | Rockford Chamber of Commerce |
| Rolling Meadows | Rolling Meadows Chamber of Commerce |
| Romeoville | Romeoville Area Chamber of Commerce |
| Roscoe | Stateline Chamber |
| Roselle | Roselle C /C & Ind. |
| Rosemont | Rosemont Chamber of Commerce |
| Round Lake Beach | Round Lake Area Chamber of Commerce & Ind. |
| Saint Charles | St. Charles Chamber of Commerce |
| Salem | Greater Salem Chamber of Commerce |
| Sandwich | Sandwich Area Chamber of Commerce |
| Savanna | Savanna Chamber of Commerce |
| Schaumburg | Schaumburg Bus. Assn. |
| Sesser | Sesser Area Chamber of Commerce |
| Shelbyville | Greater Shelbyville Chamber of Commerce |
| Shorewood | Shorewood Area Chamber of Commerce |
| Skokie | Skokie Chamber of Commerce |
| South Holland | South Holland Business Assn. |
| Sparta | Sparta Area Chamber of Commerce |
| Springfield | Greater Springfield Chamber of Commerce |
| Springfield | Illinois Assn. of Chamber of Commerce Executives |
| Staunton | Staunton Chamber of Commerce |
| Steeleville | Steeleville Chamber of Commerce |
| Sterling | Sauk Valley Area Chamber of Commerce |
| Stockton | Stockton Chamber of Commerce |
| Streamwood | Streamwood Chamber of Commerce |
| Streator | Streator Area Chamber of Commerce |
| Sugar Grove | Sugar Grove Chamber of Commerce & Ind. |
| Sullivan | Sullivan Chamber & Eco. Dev. |
| Swansea | Metro-East Reg. Chamber of Commerce |
| Sycamore | Sycamore Chamber of Commerce |
| Taylorville | The Greater Taylorville Chamber of Commerce |
| Tinley Park | Tinley Park Chamber of Commerce |
| Trenton | Trenton Chamber of Commerce |
| Troy | Troy/Maryville/St. Jacob Area Chamber of Commerce |
| Tuscola | Tuscola Chamber & Eco. Dev. |
| Vandalia | Greater Fayette County Chamber of Commerce |
| Villa Park | Villa Park Chamber of Commerce |
| Walnut | Walnut Chamber of Commerce |
| Washington | Washington Chamber of Commerce |
| Waterloo | Waterloo Chamber of Commerce |
| Watseka | Watseka Area Chamber of Commerce |
| Wauconda | Wauconda Area Chamber of Commerce |
| West Chicago | Western DuPage Chamber of Commerce |
| West Frankfort | West Frankfort Chamber of Commerce |
| Westchester | Westchester Chamber of Commerce |
| Westmont | Westmont Chamber of Commerce & Tourism Bur. |
| Wheaton | Wheaton Chamber of Commerce |
| Wheeling | Wheeling-Prospect Heights Area Chamber of Commerce & Ind. |
| Wilmette | Wilmette/Kenilworth Chamber of Commerce |
| Wilmington | Wilmington Chamber of Commerce |
| Winnetka | Winnetka-Northfield Chamber of Commerce |
| Winthrop Harbor | Winthrop Harbor Chamber of Commerce |
| Wonder Lake | Wonder Lake Chamber of Commerce |
| Wood Dale | Wood Dale Chamber of Commerce |
| Woodridge | Chamber630-Woodridge Ofc. |
| Woodstock | Woodstock Chamber of Commerce & Ind. |
| Wyoming | Wyoming Chamber of Commerce |
| Yorkville | Yorkville Area Chamber of Commerce |
| Zion | Lake County's Lakeshore Chamber of Commerce & Visitors Bur. |