Logo or Club ColorsNameState/CountryCityFoundedDefunct 
S & M Men of ColumbusOH Columbus1989 ?
S & M Rap / Support GroupCA San Francisco
SA LeathermenSouth Africa Johannesburg2007
SAADE
SAAFECAN Calgary2002
Saber MCFL Ft Lauderdale1982
SABLEAL Mobile2004
Sabres of Artemis (Women)MO St Louis
Sacramento Leather AssociationCA Sacramento1989
Sacramento Valley BearsCA Sacramento
Sacramento Valley LeatherCorps (was Leathermen) (Originally Capital City Leather Association)CA Sacramento1997
Saddlebacks of LACA Los Angeles1965
Saddlelites MC
SaddlemastersIllinois1973
Saddlemasters MCCalifornia1965
Sadomasochistische InterssengemeinschaftGER Berlin1992
Safe Modern Alternate Lifestyle Education & Research (SMALERS) PA Pittsburg
Safe Sane Consensual Adults (SSCA)TX Dallas1988
Safe Sex Leather SlutsCA San Francisco
Sam Brown SocietyAZ Phoenix
SamoisCA San Francisco19781983
San Andreas MCCA Orange
San Antonio MCTX San Antonio
San Antonio MustangsTX San Antonio
San Antonio Rough RidersTX San Antonio
San Antonio SM (SASM)TX San Antonio
San Diego boys of LeatherCA San Diego20002006-07-01
San Diego Gay Mens Bondage ClubCA San Diego
San Diego League of GentlemenCA San Diego2001
San Diego LeatherboysCA San Diego
San Franciscians, TheCA San Francisco1970
San Francisco Bondage ClubCA San Francisco
San Francisco boys of LeatherCA San Francisco2002
San Francisco GDI ClubCA San Francisco1973
San Francisco girls of LeatherCA San Francisco
San Francisco JacksCA San Francisco
San Francisco Precision Whip Drill TeamCA San Francisco
San Francisco Women's Motorcycle ContingentCA San Francisco
San Francisco Wrestling ClubCA San Francisco1978
Sandia LeathermenNM Albuquerque
Sandia LeatherwomenNM Albuquerque
SandmenCA San Diego1994
Santa Clara County LeatherCalifornia
SatyriconWI Madison
Satyricons MCNV Las Vegas1981
Satyrs MCCA Los Angeles1954
Satyr Men
Savage GardenIN Indianapolis
SC LockSouth Carolina1988
Schlechte Meiden
SchmachtGermany
Scorpio Leather ClubMA Holyoke1978
Scorpions MC (Originally Centaur's MC in Washington, DC)DC Washington1971
Scorpions Ms
ScorpiusOH Cincinnati2007
Seattle boys of LeatherWA Seattle2003
Seattle Dungeon GuildWA Seattle1985
Seattle Kink Information Network (SKIN)WA Seattle1995
Seattle Men of LeatherWA Seattle1989
Seattle Uniform CorpsWA Seattle1990
Seattle Women of LeatherWA Seattle
Seattle Wrestling ClubWA Seattle
Second City Motorcycle ClubIL Chicago1963
Second of June Society (Mens SM)CA San Diego1988
Secret MindsFrankfurt West Germany
Selectmen of DetroitMI Detroit1973
SenateCA Los Angeles19781979
Serpents MCCA San Francisco1968
Service of Mankind ChurchCA San Francisco
Severn Link MSCUK Bristol1984
Sex Magic Faeries CircleLA Pollock
Shanti RidersCA San Francisco
Shelix (Women)MA North Hampton1983
ShibariNV Las Vegas
Ship MatesMD Baltimore1974
Show Me BearsMO St Louis1995
Sierra MountaineersNV Lake Tahoe1975
Sierra Pacific RangersCA San Francisco1975
SigmaMaryland1984
Signs of ZodiacMI Detroit19751978
Sil Lum Kung FuLA New Orleans
Silver Barons MCNV Reno1976
Silver DolphinsTX Corpus Christi1989
Silver SpursTX Dallas
Silver Star MCWI Milwaukee1973
Silver State leather AssociationNV Reno1994
Sinsations
Sirens MC (Women)New York
Sisterhood of SteelCO Denver19871992
Sisters of Perpetual IndulgenceCA San Francisco1979
Sisters of Scota WMCCA San Francisco1981
Sisters of SinWA Seattle
Sisters of the Rose (Women)GA Atlanta
Sixty Nine ClubENG London1965
SKIPNC Shelby
SLA
SLAM Sober LeatherMN Minneapolis
Slater Society
SLC Stuttgart1976
SLM ArhusDenmark
SLM CopenhagenDenmark1974
SLM GoteborgSweden1977
SLM MalmoSWE Malmo1989
SLM NorgeNorway
SLM NorwayNorway1976
SLM Oslo
SLM StockholmSweden Stockholm
SLM Stockholm (Originally SLM Sweden)Sweden1975
SLM Sweden (Later SLM Stockholm)Sweden1975
Sludge Master (Originally Mudmen)TX Houston1994
Sluts Community Outreach Program (SM Cops)New York
SM DykesEngland
SM Gays LondonENG London1981
SM GroupsFinland
SM OdysseyCA San Jose1998
SMacht _ Autonomies Lesbisher und Bisexueller Fraen (Women)Germany1996
Small EtcNY Bayside
SMart Bremen _ OldenburgBremen1992
SMart Rhein - RuhrGER Essen1992
SmartiGER Hamburg1995
SMBB InternationalUK North Hampton1977
SMBB InternationalAustralia1980
SMMC Skulls (S&M Motorcycle Men)
SMC LA (Later Lost Angels)DC Washington19681995
SMiLDenmark1979
SMPeX1998
SNC London (See Sixty Nine Club)ENG London
Sober, Safe, Sane, & Consensual Club (S3C3)IL Chicago1995
Society for Individual Rights (SIR)CA San Francisco1964
Society of JanusCA San Francisco1974
Society of JanusCA Marina Del Ray
Society of Leather Women Towards SM (SLUTS)IL Chicago1993
Society, TheConnecticutt1995
SomandrosCA Los Angeles1982
Sons of Apollo MCAZ Phoenix19741988
Sons of SatanCA San Francisco
Sons of the SunAZ Tucson
Sopa De OsosVenezuela Caracas
South Alabama Bondage & Leather Enthusiasts (SABLE)AL Mobile2004
South Bay BearsCalifornia1996
South Bay Leather & Uniform Group (SLUG)California
South California Leather GuildCalifornia
South Coast BearsUK Bournemouth
South Florida Bondage ClubFL Ft Lauderdale1991
South Florida Council of ClubsFlorida19781981
South Florida Council of ClubsFlorida19781987
South Florida EaqlesFL Coconut Grove
South Florida Uniform ClubFL Ft Lauderdale
South Hampton CenturionsSouth Hampton
South Midland Bike BoysUK South Hampton1977
South Orange BikersCA Santa Ana1977
South Pacific MCAU Sydney1970
South Sound S & M LeatherfolkWA Olympia1995
South Texas Leather menTX Corpus Christi1993
South West Michigan BearsMichigan
Southbay Leather & Uniform Group (SLUG)CA San Jose1988
Southeast Conference of Clubs (SECC)NC Wilmington1996
Southern Bears AtlantaGA Atlanta1993
Southern California Bears on BikesCalifornia
Southern California Leather CoalitionCalifornia1988
Southern California Leatherwomens AssociationCA San Diego
Southern California Wrestling ClubCA Los Angeles
Southern California Motorcycle ClubCA
Southern Conference of Motorcycle Clubs1975
Southern Cross MCAU Melbourne1970
Southern FlameAL Mobile
Southern Kinks (Women)GA Decatur
Southern Leather Lesbians at Play (SLLAP)Florida Ft Lauderdale1996
Southern Men Spanking Men (SMSM)GA Atlanta
Southern Region MCAustralia
SOW (Women)Australia
Space City EmpireTX Houston1975
Spankers of the SoutheastGA Atlanta
Spanking Club, TheCA Los Angeles1995
Spartan MCMD Baltimore1968
Spartans L/LSC Spartanburg
Spearhead Leather / Denim Social ClubCAN Toronto1970
SpiceFL Ft Lauderdale1997
Spirit of St Louis Leather / LeviMO St Louis1976
Spokane Power Exchange (SPEX)WA Spokane  
Spread EagleEngland
St Crispen LL FraternityCA Orlando
St Louis boys of LeatherMO St Louis2002
St Louis LeathernecksMO St Louis1979
StallionsOH Cleveland1972
StallionsTX Houston
Stampede, TheCA San Francisco
Star City BrigadeVirginia
Star City LinksNE Lincoln
Stars MCNY Albany1991
Steel BaronsPA Pittsburgh
Steel City CenturionsAL Birmingham1994
Steelworkers L/LTN Nashville
SternwheelersKY Louisville1975
Stilettos MCFL Jacksonville1981
Stingrays MCFL Ft Lauderdale1980
Stringrays MCNew Jersey1981
Stonewall Knights MCFL South
Stud MCCT New Haven1978
Studs 30Michigan
SuendikatGER Hamburg1987
Summit MastersCO Colorado Springs1995
Sun Coast LLCFL St Pete1993
Sundance Cattle CompanyTX Houston1980
Sunday Meetings Group - SM / LeatherMD Baltimore
Sunrays MCFL Miami1975
Sunshine Athletic AssociationFL Wilton Manners
Survivors Time
Susquehanna Valley BearsPA Harrisburg1996
Sussex LancersBrighton
Swamp Fox MCSC Columbia1978
Sweet Misery (Women)IN Indianapolis
SWENIL Chicago
Swiss BearsSwtiz Zurich
Swords de MontrealCAN Montreal1974
Sydney Bondage ClubAU St Peters
Sydney LeathermenAU Sydney
Syracuse Men's ClubNY Syracuse1992