Cadillac Housing Commission – Associate

Caledonia – Full Member

Caledonia Charter Township – Associate

Calhoun County Consolidated Dispatch Authority – Associate

Calumet – Full Member

Camden – Full Member

Cannon Township – Associate

Canton Charter Township – Full Member

Capac – Full Member

Carleton – Full Member

Carney – Full Member

Carney Nadeau Water & Sewer Authority – Associate

Caro – Full Member

Carson City – Full Member

Carsonville – Full Member

Caseville – Full Member

Caseville Harbor Commission – Associate

Caseville Township – Associate

Casnovia – Full Member

Casnovia Township – Associate

Caspian – Full Member

Caspian Gaastra Fire Authority – Associate

Cass City – Full Member

Cass County Medical Facility – Associate

Cass District Library – Associate

Cassopolis – Full Member

Cassopolis Area Utilities Authority Diamond Lake Wastewater Collection System – Associate

Castleton Maple Grove Nashville Ambulance – Associate

Castleton Maple Grove Nashville Fire Dept. – Associate

Castleton Maple Grove Nashville Recycle – Associate

Castleton Township – Associate

Cedar Creek Township – Associate

Cedar Springs – Full Member

Cedar Springs Area Parks and Recreation DBA Northern Kent Community Enrichment – Associate

Cement City – Full Member

Center Line – Full Member

Central Lake – Full Member

Central Lake Township – Associate

Central Wayne County Sanitation Auth. – Associate

Centreville – Full Member

Charlevoix – Full Member

Charlevoix Public Library – Associate

Charlotte – Full Member

Charlotte Community Library – Associate

Chatham – Full Member

Cheboygan – Full Member

Chelsea – Full Member

Cherry Grove Township – Associate

Chesaning – Full Member

Chester Township – Associate

Chesterfield Charter Township – Associate

Chippewa & Martiny Fire Department – Associate

Chippewa Township – Associate

Clam Lake Township – Associate

Clam Union Township – Associate

Clare – Full Member

Clarkston – Full Member

Clarksville – Full Member

Clarksville-Morrison Lake Sewer Auth. – Associate

Clawson – Full Member

Clay Township – Associate

Clifford – Full Member

Climax – Full Member

Clinton – Full Member

Clinton Area Ambulance Service Authority – Associate

Clinton Township – Associate

Clinton Township Public Library – Associate

Clinton Volunteer Fire Department – Associate

Clio – Full Member

Clio Area Fire Authority – Associate

Clio Area Library Board – Associate

Coldwater – Full Member

Coldwater Board of Public Utilities – Associate

Coldwater Housing Commission – Associate

Coldwater Township – Associate

Coleman – Full Member

Coleman Area Fire Protection Board – Associate

Coloma – Full Member

Colon – Full Member

Colon Community Fire & Rescue – Associate

Columbia Township – Associate

Columbiaville – Full Member

Commerce Charter Township – Associate

Community Fire Association, Stanton – Associate

Concord – Full Member

Concord Township – Associate

Constantine – Full Member

Coopersville – Full Member

Copper City – Full Member

Corunna – Full Member

Courtland Township – Associate

Covert Township – Associate

Crawford County Transportation Authority – Associate

Crockery Township – Associate

Cromaine District Library – Associate

Croswell – Full Member

Crystal Falls – Full Member

Curtis Township – Associate

Custer – Full Member