 | California B & B Corps | CA | Los Angeles | 1968 | | |
 | California Cyclemen MC (CCMC) | CA | San Diego | 1978 | | |
 | California Eagles MC | CA | San Francisco | 1984 | | |
| California Leather Association | CA | Los Angeles | | | |
 | California Motor Club | CA | San Francisco | 1960 | 1989 | |
| California Uniform Club | | | | | |
 | Charlotte Area Power Exchange (CAPEX) | NC | Charlotte | 2000 | | |
 | Capital Bears | MI | Lansing | | | |
| Capital City Riders | TX | Austin | 1987 | | |
 | Capital Leathermen | NC | Raleigh | 1990 | | |
 | Carolina Bears Lodge | | | | | |
 | Carolina boys of Leather | NC | Charlotte | 2004 | | |
| Carolina Harley Riders | NC | Concord | | | |
 | Carpe Diem | OH | Akron | 1999 | 2005 | |
 | Cascade Bears | OR | Portland | 1992 | 1995 | |
| Cascade Handballers | WA | Seattle | | | |
| Caspers MC | | | | | |
 | Castaways MC | WI | Milwaukee | 1979 | | |
| Catharsis (Women) | OR | Portland | 1982 | | |
 | Cavaliers MC | LA | New Orleans | 2003 | | |
| CB & V | NV | Las Vegas | | | |
 | C-BDSM | AU | Canberra | | | |
| Celestial Krewe de Cuir | CA | San Francisco | 1987 | | |
 | Celtics MC | LA | New Orleans | 1974 | | |
| Celtics MC (Later Alabama Celtics MC & later Celts MC) | MS | Jackson | 1972 | | |
| Celts MC (Originally Alabama Celtics MC, & later Celtics MC Azalea Chapter) | AL | Mobile | 1973 | | |
 | Centaur MC | VA | Richmond | 1970 | | |
| Centaur MC | PA | Harrisburg | | | |
 | Central Alabama Bear Club | AL | | | | |
 | Central Alabama Power Exchange | AL | | | | |
 | Central California Leather Family | | | | | |
| Central Maine Alliance | Maine | | | | |
 | Central Missouri Leather Society (CMLS) | MO | Columbia | 2004 | | |
 | Central Texas boys Leather | TX | Austin | 2002 | | |
| Central Valley MC (Later Knights of Malta-Yosemite) | CA | | | | |
 | Centurian MC | CA | San Francisco | 1975 | | |
 | Centurions Leather / Levi | OH | Columbus | 1978 | | |
| Centurions Leather / Levi MC | VA | Roanoke | 1980 | | |
| CFLM | AUS | Wien | | | |
 | Chain of Command | TX | San Antonio | 1991 | | |
 | Challengers International MC | FL | Orlando | 1990 | | |
 | Charlotte Lovers of All Kink (CLOAK) | NC | Charlotte | 2001 | | |
 | Chas/m | SC | Charleston | | | |
 | Cheaters MC | CA | San Francisco | 1967 | | |
| Chemnitzer Eagle | GER | | 1994 | | |
 | Chesapeake Bay Bears | DC | | | | |
 | Chicago Brigade | | | | | |
 | Chicago Circle | IL | | | | |
 | Chicago Cossacks Brotherhood | IL | Chicago | 1975 | | |
| Chicago Cycle MC (Merges with Wheels MC) | NY | | 1993 | | |
 | Chicago Hellfire | IL | Chicago | 1971 | | |
| Chicago Jacks | IL | Chicago | 1990 | | |
 | Chicago Knights | IL | Chicago | 1971 | | |
| Chicago Lake Riders | IL | Chicago | | | |
 | Chicago Leather Club | IL | Chicago | 2002 | | |
 | Chicago Leather Kennel | IL | Chicago | | | |
 | Chicago Leather Leadership Council | IL | Chicago | | | |
| Chicago MC | IL | Chicago | | | |
| Chicago Meat Packers | IL | Chicago | | | |
 | Chicago MOB (Men of Brotherhood) | IL | Chicago | 1979 | | |
 | Chicago Land Discussion Group | IL | Chicago | 1984 | 1998-07-14 | |
| Chico's Leather Club | CA | Chico | 1993 | | |
 | Chippewa Bears | WI | | | | |
| Church of Rubber Enthusiasts (CORE) | | | | | |
| Cigar Studs | CA | Los Angeles | | | |
| Cigar Studs | TX | San Antonio | | | |
 | Cin Cin Cycle Club | OH | Cincinnati | 1973 | | |
| Cin City MC | OH | Cincinnati | 1973-03-22 | | |
| Cincinnati boys of Leather | OH | Cincinnati | 2003 | | |
 | Cincinnati Chaps | OH | Cincinnati | 1988 | | |
 | City Bikers MC | CO | Denver | 1983 | | |
 | CLA Friendship Brotherhood | | | | | |
 | Claw Chicago | IL | Chicago | | | |
 | CLAWS | SC | Myrtle Beach | 2000 | | |
 | Cleveland Bears | OH | Cleveland | 1995 | | |
 | Cleveland Rangers | OH | Cleveland | 1989 | | |
| Clippers | CA | | | | |
| Club Australia | CAN | Calgary | | | |
 | Club de Osos Chilene | Chili | Santiago | | | |
| Club Domentia (Women) | CA | San Francisco | | | |
 | Club Les Cuirasses de Quebec | CAN | Quebec City | 1994 | | |
| Club Mud | CA | Rio Nido | 1986 | | |
| Club Sunrise | Sweden | | | | |
| Club Winnepeg | CAN | Winnipeg | 1993 | | |
 | Club X (Formerly NLA-SD) | CA | San Diego | 1994 | | |
| Club, The | NE | Omaha | | | |
| CMS | CA | San Diego | | | |
 | Coastal Empire Sentiniels | GA | Savannah | 1995 | | |
| Cobras (Originally the Warlocks, & later the Texas Riders & then Cobras) | TX | Houston | | | |
 | Code Denver | CO | Denver | 1993 | 1997 | |
| Code 12 Jax | FL | Jacksonville | 1998 | | |
 | Cogent Warriors MC | CA | San Francisco | | | |
 | Collar | CO | Denver | 1995 | | |
| Colorado Gay Rodeo Association | CO | | 1981 | | |
 | Colorado Leather Guild | CO | Denver | 1994 | 1995 | |
| Colorado MC | CO | | | | |
| Colorado Outdoor Leather Dykes (COLD) | CO | | 1990 | | |
| Colorado Riders | CO | Denver | 1973 | | |
 | Colorado Uniform Men | CO | | 1997 | | |
 | Colt 45 | TX | Houston | 1976 | | |
| Colts MC (Originally Colts MC Ft Lauderdale) | FL | Miami | 1975 | 1977 | |
 | Columbia Erotica Power Exchange | MO | | 1997 | | |
| Columbus Ursine Brotherhood | OH | Columbus | | | |
 | Command MC | MD | Baltimore | 1988 | | |
| Commanders MC | NY | | 1969 | | |
 | Commanding Voice | CA | San Francisco | | | |
| Committee to Preserve Sexual Liberty | CA | San Francisco | | | |
 | Community Ties | | | | | |
 | Companion MC | PA | Philadelphia | 1976 | | |
 | Comstock Grizzlies | NV | Reno | | | |
 | Conductors L/L | TN | Nashville | 1982 | | |
| Confederate Bears | NC | Charlotte | | | |
| Confederation of New York Area Clubs | NY | | 1981 | | |
 | Connecticut Copperheads | CT | | 1976 | | |
 | Connecticut Fisters | Connecticut | | 2001 | | |
| Connecticut Rebels | Connecticut | | | | |
 | Conquistadors | Orlando | Fl | 1975 | | |
| Cons Lifestyles Association of South Australia (CLASA) | Australia | | | | |
| Conservative Kink | UT | Salt Lake City | 1998 | 2002 | |
 | Constantiness of the Bay | CA | San Francisco | 1967 | 2003 | |
 | Continental Divide | Colorado | | 1995 | 1997 | |
 | Conversio Virium | New York | | | | |
| COPE | CO | Denver | | | |
 | Copperstate Leathermen Association | AZ | Phoenix | 1984 | | |
 | CORDS | OH | Columbus | 2000 | | |
 | CORE | | | | | |
 | Corn Haulers | IA | Des Moines | 1971 | | |
| Corp of Rangers | CA | Los Angeles | 1974 | | |
 | Corpus Christie MC | TX | Corpus Christie | 1982 | | |
 | Corpus Christie Rebels | TX | Corpus Christie | 1988 | | |
 | Cosmic Order of KA | Tx | Dallas | | | |
| Cosmic Order of KA | Fl | Inverness | | | |
 | Cougar Leather Club | AU | Adelaide | 1996 | | |
 | Council of Southern California Motorcycle Clubs | CA | Los Angeles | | 1985 | |
| Country Exchange | LA | Sibley | | | |
 | Country Men | MI | Dearborn | 1982 | | |
 | Cowtown Leathermen | TX | Ft Worth | 1983 | | |
| Cream City Cummers | WI | Milwaukee | | | |
 | Crescent City Outlaws | LA | New Orleans | 2000 | | |
 | Crucible MC | PA | Pittsburgh | 1982 | | |
 | Cruisers MC Australia | Australia | | | | |
| Crusaders MCC of the Rockies | | | | | |
 | Cubs Club of California | California | | 2003 | | |
 | Cuff | NC | Charlotte | | | |
 | CUFFS | Iowa | | 2000 | | |
 | CUFS Maine | Maine | | 1997 | | |
 | Cycle MC NYC | New York | | 1968 | | |
 | Cycle Men South | CA | San Diego | 1973 | | |
| Cycle Runners MC | CA | San Francisco | 1971 | | |
| Cyclemen | NJ | Newark | | | |
| Cycles MC | NJ | Newark | | | |
| Cycle Sluts | CA | Los Angeles | 1975 | | |