| Columbus | Ohio Chamber of Commerce |
| Ada | Ada Area Chamber of Commerce |
| Akron | Greater Akron Chamber of Commerce |
| Alliance | Alliance Area Chamber of Commerce |
| Andover | Andover Area Chamber of Commerce |
| Antwerp | Antwerp Chamber of Commerce |
| Archbold | Archbold Area Chamber of Commerce |
| Ashland | Ashland Area Chamber of Commerce |
| Ashtabula | Ashtabula Area Chamber of Commerce |
| Athens | Athens Area Chamber of Commerce |
| Aurora | Aurora Area Chamber of Commerce |
| Avon Lake | North Coast Chamber of Commerce |
| Baltimore | Baltimore Area Chamber of Commerce |
| Barberton | South Summit Chamber of Commerce |
| Barnesville | Barnesville Area Chamber of Commerce |
| Beachwood | Beachwood Chamber of Commerce |
| Beavercreek | Beavercreek Chamber of Commerce |
| Bedford | Bedford Chamber of Commerce |
| Bedford Heights | Bedford Heights Chamber of Commerce |
| Bellaire | Bellaire Area Chamber of Commerce |
| Bellbrook | Bellbrook-Sugarcreek Area Chamber of Commerce |
| Bellefontaine | Logan County Area Chamber of Commerce |
| Bellevue | Bellevue Area Chamber of Commerce |
| Bellville | Clear Fork Chamber of Commerce |
| Belpre | Belpre Area Chamber of Commerce |
| Berea | Berea Chamber of Commerce |
| Beverly | Beverly-Waterford Area Chamber of Commerce |
| Bexley | Bexley Area Chamber of Commerce |
| Blanchester | Blanchester Area Chamber of Commerce |
| Bluffton | Bluffton Area Chamber of Commerce |
| Bowling Green | Bowling Green Chamber of Commerce |
| Brecksville | Brecksville Chamber of Commerce |
| Bremen | Bremen Chamber of Commerce |
| Broadview Heights | Broadview Heights Chamber of Commerce |
| Brookville | Brookville Area Chamber of Commerce |
| Brunswick | Brunswick Area Chamber of Commerce |
| Bryan | Bryan Area Chamber of Commerce |
| Buckeye Lake | The Buckeye Lake Region Chamber of Commerce |
| Bucyrus | Bucyrus Area Chamber of Commerce |
| Burton | Burton Chamber of Commerce |
| Caldwell | Noble County Chamber of Commerce & Tourism Bur. |
| Cambridge | Cambridge Area Chamber of Commerce |
| Canal Fulton | Canal Fulton Area Chamber of Commerce |
| Canal Winchester | Canal Winchester Area Chamber of Commerce |
| Canal Winchester | Southeastern Franklin County Chamber of Commerce |
| Canton | Canton Reg. Chamber of Commerce |
| Carey | Carey Area Chamber of Commerce |
| Carrollton | Carroll County Chamber of Commerce & Eco. Dev. |
| Celina | Celina-Mercer County Chamber of Commerce |
| Chagrin Falls | Chagrin Valley Chamber of Commerce |
| Chardon | Chardon Area Chamber of Commerce |
| Chesterland | Chesterland Chamber of Commerce |
| Chillicothe | Chillicothe Ross Chamber of Commerce |
| Cincinnati | African American Chamber of Commerce - Greater Cincinnati & Northern KY |
| Cincinnati | Anderson Area Chamber of Commerce |
| Cincinnati | Cincinnati USA Reg. Chamber |
| Cincinnati | Clermont Chamber of Commerce |
| Cincinnati | Over-the-Rhine Chamber of Commerce |
| Circleville | Pickaway County Chamber of Commerce |
| Cleveland | Greater Cleveland African American Chamber of Commerce |
| Cleveland | Greater Cleveland Partnership |
| Coldwater | Coldwater Area Chamber of Commerce |
| Columbiana | Columbiana Area Chamber of Commerce |
| Columbus | Clintonville Area Chamber of Commerce |
| Columbus | Greater Columbus Chamber of Commerce |
| Columbus | Tri-Village Chamber Partnership |
| Columbus Grove | Columbus Grove Chamber of Commerce |
| Conneaut | Conneaut Area Chamber of Commerce |
| Coshocton | Coshocton County Chamber of Commerce |
| Covington | Covington Area Chamber of Commerce |
| Cuyahoga Falls | Cuyahoga Falls Chamber of Commerce |
| Dalton | Dalton Area Chamber of Commerce |
| Dayton | Dayton Area Chamber of Commerce |
| Dayton | South Metro Reg. Chamber of Commerce |
| Defiance | Defiance Area Chamber of Commerce |
| Delaware | Delaware Area Chamber of Commerce |
| Delphos | Delphos Area Chamber of Commerce |
| Deshler | Deshler Chamber of Commerce |
| Dublin | Dublin Chamber of Commerce |
| East Palestine | East Palestine Area Chamber of Commerce |
| Eaton | Preble County Chamber of Commerce |
| Edgerton | Edgerton Chamber of Commerce |
| Elyria | Lorain County Chamber of Commerce |
| Englewood | Northmont Area Chamber of Commerce |
| Euclid | Euclid Chamber of Commerce |
| Fairborn | Fairborn Area Chamber of Commerce |
| Fairfield | Fairfield Chamber of Commerce |
| Fairlawn | Fairlawn Area Chamber of Commerce |
| Fairview Park | Fairview Park Chamber of Commerce |
| Findlay | Findlay-Hancock County Chamber of Commerce |
| Fort Recovery | Fort Recovery Chamber of Commerce |
| Fostoria | Fostoria Area Chamber of Commerce & Visitors Bur. |
| Franklin | Franklin Area Chamber of Commerce |
| Fremont | Chamber of Commerce of Sandusky County |
| Gahanna | Gahanna Area Chamber of Commerce |
| Galion | Galion-Crestline Area Chamber of Commerce |
| Gallipolis | Gallia County Chamber of Commerce |
| Garfield Heights | Garfield Heights Chamber of Commerce |
| Garrettsville | Garrettsville Area Chamber of Commerce |
| Geneva | Geneva Area Chamber of Commerce |
| Geneva-on-the-Lake | Geneva-on-the-Lake Chamber of Commerce & CVB |
| Genoa | Genoa Area Chamber of Commerce |
| Georgetown | Brown County Chamber of Commerce |
| Germantown | Germantown Chamber of Commerce |
| Grand Rapids | Grand Rapids Area Chamber of Commerce |
| Granville | Granville Area Chamber of Commerce |
| Greenville | Darke County Chamber of Commerce |
| Grove City | Grove City Area Chamber of Commerce |
| Hamilton | Greater Hamilton Chamber of Commerce |
| Hartville | Lake Township Chamber of Commerce |
| Hicksville | Hicksville Area Chamber of Commerce |
| Hilliard | Hilliard Area Chamber of Commerce |
| Hillsboro | Highland County Chamber of Commerce |
| Hubbard | Hubbard Area Chamber of Commerce |
| Huber Heights | Huber Heights Chamber of Commerce |
| Hudson | Hudson Area Chamber of Commerce |
| Huron | Huron Chamber of Commerce |
| Independence | Cuyahoga Valley Chamber of Commerce |
| Jackson | Jackson Area Chamber of Commerce |
| Jackson Twp. | Jackson-Belden Chamber of Commerce |
| Jamestown | Jamestown Area Chamber of Commerce |
| Jefferson | Jefferson Area Chamber of Commerce |
| Kelleys Island | Kelleys Island Chamber of Commerce |
| Kent | Brimfield Area Chamber of Commerce |
| Kent | Kent Area Chamber of Commerce |
| Kenton | Hardin County Chamber & Bus. Alliance |
| Kettering | Kettering-Moraine-Oakwood Chamber of Commerce |
| Lakewood | Lakewood Chamber of Commerce |
| Lancaster | Lancaster Fairfield County Chamber of Commerce |
| Lebanon | Lebanon Area Chamber of Commerce |
| Leipsic | Leipsic Area Chamber of Commerce |
| Lewisburg | Lewisburg Area Chamber of Commerce |
| Lima | Lima/Allen County Chamber of Commerce |
| Lisbon | Lisbon Area Chamber of Commerce |
| Lodi | Lodi Area Chamber of Commerce |
| Logan | Logan-Hocking Chamber of Commerce |
| London | Madison County Chamber of Commerce |
| Loudonville | Loudonville-Mohican Chamber of Commerce |
| Louisville | Louisville Area Chamber of Commerce |
| Loveland | Little Miami River Chamber Alliance |
| Madison | Madison-Perry Area Chamber of Commerce |
| Mansfield | Richland Area Chamber of Commerce |
| Marblehead | Marblehead Peninsula Chamber of Commerce |
| Marietta | Marietta Area Chamber of Commerce |
| Marion | Marion Area Chamber of Commerce |
| Martins Ferry | Martins Ferry Area Chamber of Commerce |
| Marysville | Union County Chamber of Commerce |
| Mason | Mason Deerfield Chamber |
| Massillon | Massillon WestStark Chamber of Commerce |
| Maumee | Maumee Chamber of Commerce |
| Mayfield Heights | Mayfield Area Chamber of Commerce |
| McArthur | Vinton County Chamber of Commerce |
| McConnelsville | Morgan County Chamber of Commerce |
| Medina | Greater Medina Chamber of Commerce |
| Mentor | Mentor Area Chamber of Commerce |
| Middleburg Heights | Middleburg Heights Chamber of Commerce |
| Middlefield | Middlefield Chamber of Commerce |
| Middletown | The Chamber of Commerce serving Middletown, Monroe & Trenton |
| Milan | Milan Chamber of Commerce |
| Milford | Milford-Miami Twp. Chamber of Commerce |
| Millersburg | Holmes County Chamber of Commerce & Tourism Bur. |
| Minerva | Minerva Area Chamber of Commerce |
| Montpelier | Montpelier Area Chamber of Commerce |
| Morrow | Little Miami Area Chamber of Commerce |
| Mount Gilead | Morrow County Chamber of Commerce & Visitors Bur. |
| Mount Vernon | Knox County Chamber of Commerce |
| Napoleon | Henry County Chamber of Commerce |
| Nelsonville | Nelsonville Area Chamber of Commerce |
| New Albany | New Albany Chamber of Commerce |
| New Bremen | Southwestern Auglaize County Chamber of Commerce |
| New Concord | New Concord Area Bd. of Trade |
| New Lexington | Perry County Chamber of Commerce |
| New Paris | New Paris Area Chamber of Commerce |
| New Philadelphia | Tuscarawas County Chamber of Commerce |
| Newark | Licking County Chamber of Commerce |
| Newcomerstown | Newcomerstown Chamber of Commerce |
| North Baltimore | North Baltimore Area Chamber of Commerce |
| North Canton | North Canton Area Chamber of Commerce |
| North Olmsted | North Olmsted Chamber of Commerce |
| North Ridgeville | North Ridgeville Chamber of Commerce |
| North Royalton | North Royalton Chamber of Commerce |
| Northfield | Nordonia Hills Chamber of Commerce |
| Norwalk | Huron County Chamber of Commerce |
| Norwood | Norwood Chamber of Commerce |
| Oak Harbor | Oak Harbor Area Chamber of Commerce |
| Oak Hill | Oak Hill Area Chamber of Commerce |
| Oberlin | Oberlin Bus. Partnership |
| Olmsted Falls | Olmsted Chamber of Commerce |
| Oregon | Eastern Maumee Bay Chamber of Commerce |
| Orrville | Orrville Area Chamber of Commerce |
| Orwell | Orwell-Grand Valley Area Chamber of Commerce |
| Ottawa | Ottawa Area Chamber of Commerce |
| Ottoville | Ottoville Area Chamber of Commerce |
| Oxford | Oxford Chamber of Commerce |
| Painesville | Eastern Lake County Chamber of Commerce |
| Pandora | Pandora Area Chamber of Commerce |
| Parma | Parma Area Chamber of Commerce |
| Pataskala | Pataskala Area Chamber of Commerce |
| Paulding | Paulding Chamber of Commerce |
| Perrysburg | Perrysburg Area Chamber of Commerce |
| Pickerington | Pickerington Area Chamber of Commerce |
| Pioneer | Pioneer Area Chamber of Commerce |
| Piqua | Piqua Area Chamber of Commerce |
| Pomeroy | Meigs County Chamber of Commerce |
| Port Clinton | Port Clinton Area Chamber of Commerce |
| Portsmouth | Portsmouth Area Chamber of Commerce |
| Powell | Greater Powell Area Chamber of Commerce |
| Put-In-Bay | Put-In-Bay Chamber of Commerce & Visitors Bur. |
| Ravenna | Ravenna Area Chamber of Commerce |
| Reading | Reading Chamber of Commerce |
| Reynoldsburg | Reynoldsburg Area Chamber of Commerce |
| Rittman | Rittman Area Chamber of Commerce |
| Riverside | Riverside Area Chamber of Commerce |
| Rockford | Rockford Chamber of Commerce |
| Rocky River | Rocky River Chamber of Commerce |
| Rootstown | Rootstown Area Chamber of Commerce |
| Russells Point | Indian Lake Area Chamber of Commerce |
| Saint Clairsville | St. Clairsville Area Chamber of Commerce |
| Salem | Salem Area Chamber of Commerce |
| Sandusky | Erie County Chamber of Commerce |
| Seville | Seville Area Chamber of Commerce |
| Shaker Heights | Shaker Heights Chamber of Commerce |
| Sharonville | Sharonville Chamber of Commerce |
| Sidney | Sidney-Shelby County Chamber of Commerce |
| Solon | Solon Chamber of Commerce |
| South Euclid | Heights-Hillcrest Reg. Chamber of Commerce |
| South Point | Lawrence County Chamber of Commerce |
| Spencerville | Spencerville Chamber of Commerce |
| Springboro | Springboro Chamber of Commerce |
| Springdale | Springdale Chamber of Commerce |
| Springfield | The Chamber of Greater Springfield |
| St. Marys | St. Marys Area Chamber of Commerce |
| Steubenville | Jefferson County Chamber of Commerce |
| Stow | Stow-Munroe Falls Chamber of Commerce |
| Streetsboro | Streetsboro Area Chamber of Commerce |
| Strongsville | Strongsville Chamber of Commerce |
| Sunbury | Sunbury/Big Walnut Area Chamber of Commerce |
| Swanton | Swanton Area Chamber of Commerce |
| Sylvania | Sylvania Area Chamber of Commerce |
| Tallmadge | Tallmadge Chamber of Commerce |
| Tiffin | Seneca Reg. Chamber of Commerce & Visitor Svcs. |
| Tipp City | Tipp City Area Chamber of Commerce |
| Toledo | Toledo Reg. Chamber of Commerce |
| Toronto | Toronto Ohio Chamber of Commerce |
| Trotwood | Trotwood Chamber of Commerce |
| Troy | Troy Area Chamber of Commerce |
| Twinsburg | Twinsburg Chamber of Commerce |
| Uhrichsville | Twin City Chamber of Commerce |
| Upper Sandusky | Upper Sandusky/Wyandot County Chamber of Commerce |
| Urbana | Champaign County Chamber of Commerce & Visitors Bur. |
| Valley City | Valley City Chamber of Commerce |
| Van Wert | Van Wert Area Chamber of Commerce |
| Vandalia | Vandalia-Butler Chamber of Commerce |
| Vermilion | Vermilion Chamber of Commerce |
| Wadsworth | Wadsworth Chamber of Commerce |
| Wapakoneta | Wapakoneta Area Chamber of Commerce |
| Warrensville Heights | Warrensville Heights Area Chamber of Commerce |
| Washington Court House | Fayette County Chamber of Commerce |
| Waterville | Waterville Area Chamber of Commerce |
| Wauseon | Wauseon Chamber of Commerce |
| Waverly | Pike County Chamber of Commerce |
| Waynesville | Waynesville Area Chamber of Commerce |
| Wellington | Wellington Area Chamber of Commerce |
| Wellsville | Wellsville Area Chamber of Commerce |
| West Chester | West Chester-Liberty Chamber Alliance |
| West Union | Adams County Chamber of Commerce |
| West Unity | West Unity Chamber of Commerce |
| Westerville | Westerville Area Chamber of Commerce |
| Westlake | West Shore Chamber of Commerce |
| Whitehall | Whitehall Area Chamber of Commerce |
| Whitehouse | The Chamber Partnership |
| Willard | Willard Area Chamber of Commerce |
| Willoughby | Willoughby Western Lake County Chamber of Commerce |
| Wilmington | Wilmington Clinton County Chamber of Commerce |
| Woodsfield | Monroe County Chamber of Commerce |
| Wooster | Wooster Area Chamber of Commerce |
| Worthington | Worthington Area Chamber of Commerce |
| Xenia | Xenia Area Chamber of Commerce |
| Yellow Springs | Yellow Springs Chamber of Commerce |
| Youngstown | Youngstown/Warren Reg. Chamber |
| Zanesville | Zanesville-Muskingum County Chamber of Commerce |