ACUC - American Canadian Underwater Certifications (www.acuc.es)

AED - Associated European Divers

AIDA - Association International pour le Développement de l'Apnée

AII - Association of International Instructors

ANDI - American Nitrox Divers International

ANIS - Associazione Nazionale Istruttori Subacquei

ANMP - Association Nationale des Moniteurs de Plongee

APDI - Association of Swiss Professional Diving Instructors

ASSET - Association of SCUBA Service Engineers & Technicians

ATEC - Association of Technical and Recreational Diving Instructors

AUAS - Academy of Underwater Arts & Sciences

AUF - Australian Underwater Federation

AUSI - Associated Underwater Scuba Instructors

BARAKUDA - International Aquanautic Club

BEFOS - Belgische Federatie voor Onderwateronderzoek en- sport

BSAC - British Sub Aqua Club

CARI - Montenegro Diving Instructors Association (RCUD)

CBPDS - Confederação Brasileira de Pesca e Desportos Subaquáticos

CDAA - Cave Divers Association of Australia

CDGGB - Cave Diving Group of Great Britain

CEDAM - Conservation, Education, Diving, Awareness and Marine Research

CEDIP - European Committee of Professional Diving Instructors

CEMAS - Centro de Enseñanza Maritima y Actividades Subacuaticas

CFT - Comhairle Fo-Thuinn

CMAS - Confederation Mondiale des Activites Subaquatiques

CRAS - Confederation Russe des Activites Subaquatiques

CTUF - Chinese Taipei Underwater Federation

DAN - Divers Alert Network

DEMA - Diving Equipment & Marketing Association

Diveheart

DIWA - Diving Instructor World Association

DRI - Dive Rescue International

DSF - Dansk Sportsdykker Forbund

EA - Eesti Allveeliit (Estonia)

EÖBV - Erster Österreichischer Berufstauchlehrer Verband

ERDi - Emergency Response Diving international

ESA - European Scuba Agency

ETDA - European Technical Diving Association (Luxembourg)

EUF - European Underwater Federation

FADAS - Federació Andorrana d'Activitats Subaquàtiques

FAS - Federatia de Activitati Subacvatice din Republica Moldava

FAST - Federation des Activites Subaquatiques de Tunisie/a>

FCDS - Federacion Chilena de Deportes Submarinos

FEBRAS - Fédération Belge de Recherches et d'activités Sous-Marines (BEFOS)

FEDAS - Federacion Española De Actividades Subacuaticas

FEDASub - Federación Ecuatoriana de Buceo y Actividades Subacuaticas

FFESSM - Fédération Française d'études et de Sports Sous Marins

FIAS - Federazione Italiana Attività Subacquee

FIPSAS - Federazione Italiana Pesca Sportiva e Attività Subacquee

FIT - Freien Internationaltätigen Tauchlehrern

FLASSA - Fédération Luxembourgeoise des Activités et Sports Sub-Aquatiques

FMAS - Federation Monegasque des Activites Subaquatiques

FPAS - Federação Portuguesa de Actividades Subaquáticas

FPAS - Federacion Peruana de Actividades Subacuaticas

FQAS - Fédération Québécoise des Activités Subaquatiques

Federazione Svizzera di Sport Subacquei (AKA SUSV)

FST - Fachverband staatlich geprüfter Tauchsportlehrer e.V.

FVAS - Federación Venezolana de Actividades Subacuáticas

GUE - Global Underwater Explorers

HDS - Historical Diving Society

HKUA - Hong Kong Underwater Association

Hrs - Hrvatski ronilacki savez (Croatia)

HSA - Handicapped Scuba Association

IADRS - International Association of Dive Rescue Specialists

IADS - International Association of Diving Schools

IAHD - International Association for Handicapped Divers

IANTD - International Association of Nitrox and Technical Divers(www.iantd.it)

IART - International Association of Rebreather Trainers

IAST - International Association of Scuba Technicians

IDA - International Divers Association

IDD - Instructor Dive Development (Netherlands)

IDS - International Diving School

IDEA - International Diving Educators Association

IDF - Israeli Diving Federation

ISA - Instructors South Africa

ITDA - International Technical Diving Agency (UK)

ITDA - International Technical Diving Association

ITDA - International Technical Diving Association (Germany)

IUC - Irish Underwater Council (CFT)

JEFF - Japan Educational Facilities Federation

JULIA - Japan Underwater Leaders and Instructors Association

KADS - Kuwait Academy for Diving & Swimming

KSR - Kansai Sensui Renmei

LACUIA - Los Angeles County Underwater Instructors Association

LIFRAS - Ligue Francophone de Recherche et d'Activités Sous-Marines

LGS - Lifeguard Systems

LTV - Liechtensteiner Tauchsport Verband

MPSDA - Massachusetts Public Safety Divers Association

MDEA - Multinational Diving Educators Association

MSAC - Malayan Sub Aqua Club

MSDA - Mauritian Scuba Diving Association

NACD - National Association for Cave Diving

NADO - Nederlandse Associatie van Duikondernemingen

NAPD - National Academy of Police Diving

NASDS - National Association of SCUBA Diving Schools (SSI)

NASDS - National Association of SCUBA Diving Schools (Germany)

NASDS - National Association of SCUBA Diving Schools (Japan)

NASE - National Academy of Scuba Educators

NAUI - National Association of Underwater Instructors

NAVED - National Association of Vintage Equipment Divers

NBDHMT - National Board of Diving & Hyperbaric Medical Technology

NDF - Norges Dykkeforbund

NeLOS - Nederlandstalige Liga voor Onderwateronderzoek en -Sport

NIADD - National Instructors Association for Divers with Disabilities

NOAA - NOAA Diving Program

NOB - Nederlandse Onderwatersport Bond

NSS-CDS - National Speleological Society Cave Diving Section

OFDA - Old Fart Diver’s Association

PADI - Professional Association of Diving Instructors

PAN - Professional Association for Underwater Technology

PATD - Professional Association for Technical Diving

PDA - Professional Diving Association

PDIC - Professional Diving Instructors Corporation

PROTEC - Protec & CMAS Diving Program

PSA/PSAI - Professional Scuba Association (International)

PSDA - Public Safety Diving Association

PSDA - Professional Sport Diving Association

PSI - Professional Scuba Inspectors

PSS - Professional Scuba Schools

PZPn - Polski Zwiazek Pletwonurkowania

RAD - Rebreather Advisory Board

RCUD - Regional Center for Divers Training in Underwater EOD

RsCG - Ronilakcki savez Crne Gore (Montenegro)

RSTC - Recreational Scuba Training Council (WRSTC)

Rubicon - collects diving, aviation, and environmental research

RUF - Russian Underwater Federation

SAA - Sub Aqua Association

SCUBA-Training.net

SDA - Sports Diving Agency (ISDA)

SDI - SCUBA Diving International

SIAS - Scuola Internazionale Attivita Subacquea

SNMP - Syndicat nationale des moniteurs de plongée

SNSI - Scuba Nitrox Safety International

SOPAS - Savez Organizacija Podvodnih Aktivnosti Republike Srbije

SpCr - Svaz potápecueské republiky (Czech)

SPZ - Slovenska Potapljaska Zveza

Sr - Sukeltajaliitto ry (Finland)

SRDI - Special Response Diver International

SSAC - Scottish Sub Aqua Club

SSDF - Svenska Sportdykarförbundet

SSI - Scuba Schools International

SUF - Singapore Underwater Federation

SUSV - Schweizer Unterwasser-Sport-Verband (AKA FSSS)

TDI - Technical Diving International

TSSF - Türkiye Sualti Sporlari Federasyonu

TSVÖ - Tauchsportverband Öesterreichs

UDI - United Diving Instructors

UDIP - Ukranian Society of Professional Diving Instructors

UDT - Universal Diver Training

UEF - Underwater Explorers’ Federation

UHMS - Undersea and Hyperbaric Medical Society

UIA - Underwater Instructors Association (LACUIA)

URP - Universal Referral Program

USOA - Underwater Society of America

UUSF - Ukrainian Federation of Underwater Sports and Underwater Activities

VDST - Verband deutscher Sporttaucher

VDTL - Verband deutscher Tauchlehrer

VVW - Vlaamse Vereniging voor Watersport (Belgium)

WASI - World Association of Scuba Instructors (NASE)

WOSD - World Organisation of Scuba Diving

WRSTC - World Recreational Scuba Training Council

WUF - World Underwater Federation (CMAS)

YMCA Scuba