| 501 | Aagan Iisou | Shuji Kondo, YASSHI, Toru Owashi, Shogo Takagi, Takuya Sugawara, Masaaki Mochizuki | 2004 | | |
| 502 | Above The Law | Billy Maverick, Damien Divine, Eric Draven, Johnny Stratlin, CJ Popp, Roger Blade | 2006-2007 | | |
| 503 | Absolute Alliance | Absolute Andy, Joerg Guth, Shadow, John Kay/Bad Bones, Steve Allison | 2006-2008 | | |
| 504 | Absolute Anarchy | Aiden Rayne, Corey Stone , Mark Shaw | 2019- | | |
| 505 | Academie de Lutte du Quebec | Francis Campeau, Fred La Merveille, Ghyslain Gratton/Viking | 2005-2005 | | |
| 506 | Academie de Police | Carl Choquette, Fred La Merveille, Patrice Lacroix, Pauly Platinum, Rick Lukas | 2009- | | |
| 507 | Accion Total Maxima | Fantasma de la Opera, Cerebro Negro, Cerebro Maligno, Epitafio, Sepulturero, ATM, Amo de la Noche, Heavy Boy, Kansuke, Quimico, Trolly | 2011 | | |
| 508 | Accion Total Maxima | ATM, Fantasma de la Opera, Cerebro Negro, Zumbido, Freeyser | 2012 | | |
| 509 | Ace Athletic | Ace Matthews, Benji, David Graves, Myles Kayman | 2017-2018 | | |
| 510 | Ace Of Space Academy | Leon St. Giovanni/LSG, Max St. Giovanni/MSG, GKM, Colton Charles | 2023- | | |
| 511 | Aconito | Newt Nova, Tyler Jackson , Pad Campos | 2023- | | |
| 512 | Administration | Scotty Mac, Michael Sweetser, Jamie Diaz, Jordie Taylor, Red DeNero, Nick Price, Ice | 2011- | | |
| 513 | Administration | Bruce Grey, Mr. Boone, Mr. Bruise | 2018 | | |
| 514 | Administration | Damian Adams, Pedro Dones, Tina San Antonio | 2021- | | |
| 515 | Adonis Club | Ariel Levy, Connor, Tanque Conrad, Daken, Celso Tiberio Martinez | 2018-2020 | | |
| 516 | Adult Social Society | Collin Cutler, Shotgun Stevens, Mary Jane Payne | 2015- | | |
| 517 | Aerial Assault | Dane Griffin, Eric Rose, Ky-ote Joe/Ky-ote, Montego Seeka | 2009-2013 | | |
| 518 | Aero Evolution | Arez, Mascara Oriental, Nino de Fuego | 2010-2011 | | |
| 519 | Aesthetic Males | Damian Gibbs, Beefcake Charlie, Jay Enterprise, Mike Del | 2016-2017 | | |
| 520 | Afflicted | Mike Swanson, Riley Krowe, Sabral del Mar, Shongo, Suicide Myers | 2020-2022 | | |
| 521 | Afghan Assassins | Afghan Assassin I, Afghan Assassin II, Afghan Assassin III, Afghan Assassin IV | 2013- | | |
| 522 | Age Of Aeon | Trever Aeon, Charles Zanders, War , Pestilence , Eli Daniels, Papa Marko, Marko | 2015- | | |
| 523 | Age Of Blaze | Danny Blaze, Dominator, Rage , Skarlett | 2012 | | |
| 524 | Agencia Beltran | Billy B , Hank Davidson, Antonio Beltran, Lady Fenix, Manfred Sullivan, Lio Napoles, Mocha Drake, Shango | 2022- | | |
| 525 | Agencia GAS | Carlos Guzman , El Alacran, Rossi/Pistola Rossi, La Macs | 2022-2023 | | |
| 526 | Agency | Sly Stetson, Celso Rivera, Ricky Reyes, Bobby Dempsey, Smash Bradley, Oleg The Usurper, The Proletariat Boar Of Moldova, Telepo-1 | 2010- | | |
| 527 | Agenda | Alex Shane, Colossus , David Deville, Dave Moralez, Iestyn Rees, Joel Redman, Martin Stone | 2010-2012 | | |
| 528 | Aggression | Kid Fite, Chris Rampage, Davey Blaze, Stevie Xavier, Kay Lee Ray | 2011 | | |
| 529 | Aggressive Thrill Attraction | Chris Bosh, Disco Machine, Rising Son | - | | |
| 530 | Airstrike XL | PD Skillz, Tyler Aero, Mike Forte | 2023- | | |
| 531 | Akatsuki | Shingo Takagi, Cyber Kong, Chihiro Tominaga, Super Shenlong , YAMATO | 2012-2013 | | |
| 532 | Akuma Domei | Guts Ishijima, Madoka, CHANGO, Amigo Suzuki, Micro, Akuma Domei Machine, Akuma Warrior | 2010-2013 | | |
| 533 | Akuto Death Society | Chris Crunk/Chris Crunkk, Donnie Primetime/Donnie Janela, Kevin Ryan, Shean Christopher, Stunt Marshall, Rita Raccoon | 2019- | | |
| 534 | Al Getz Enterprises | Al Getz, Ace Rockwell, Bulldog Raines, Jason Blackman, Jeff Lewis, Ray Gordy, Scottie Wrenn, Shaun Tempers, Tank, Todd Sexton | 2004-2005 | | |
| 535 | Al Haditha Militia | Amir Al Jahari, Sniper , The Specialist | 2007- | | |
| 536 | Alex Cypher's Disciplinary Committee | Alex Cypher, Francis Kipland Stevens, Juba, Wrecking Ball Legursky | 2019-2020 | | |
| 537 | All Americans | Austin Storm, Preston Maxwell, Buck Albright, Johnny Jackson, Levi McDaniel | 2006-2013 | | |
| 538 | All Black Everything | Kingdom James, Jade Chung, Brent Banks, TARIK | 2015-2017 | | |
| 539 | All In Da Family | Carlos V, Davey Cash, Kevin Castro, Kris Pyro, Shay Cash | 2023- | | |
| 540 | All Money Is Legal | Dizzie, K-Murda, K-Pusha | 2004-2008 | | |
| 541 | All-Americans | Jan Carlos, Solovino, Wolly Wonker | 2010- | | |
| 542 | All-Stars | Coach Gemini, Roy Wilkins, Arik Royal, Walter Eaton, Michael McAllister, Jamal The Titan, Ray Kandrack, Jesse Ortega, Mace Li, Steve Greene, TGA Moss, Court Montgomery, Nikki Storm | 2010-2019 | | |
| 543 | All-Stars | Bryce Benjamin, Chandler McClure, Mike Horning, Cru Jones, Bryan McClure | 2003-2004 | | |
| 544 | Alliance | CB Suave, Danielle Jeantet, Josey Quinn, Romeo , Shane Noles | 2018-2019 | | |
| 545 | Alliance | Sancho Guerrero, Laser , Sabotage | 2004-2005 | | |
| 546 | Alliance Of Defiance | Mentallo, Moses Luke, Robby Royce, Sabretooth, TJ Bratt | 2010-2011 | | |
| 547 | Alliance Of Defiance | Billy Fives, Mike Sullivan, Scoot Andrews, Rod Steel, Mikey Tenderfoot, Agent Steele, Roderick Strong | 2002-2003 | | |
| 548 | Alliance Of Violence | Damien Vachon, Gino Martino, Pierre Vachon | 2006 | | |
| 549 | Allüre | Mandy Leon, Angelina Love, Velvet Sky | 2019-2020 | | |
| 550 | Aloha World Order | Antonio The Dragon, King Ala Moana, Koo, Prince Togo | 2006 | | |
| 551 | Alpha Academy | Chad Gable, Otis, Maxxine Dupri, Akira Tozawa | 2023- | | |
| 552 | Alpha Beta Duke | The Duke, Nick Belushi, Super Oprah, Carlton Kaz, The Fake Patriot, Patrick Hayes | 2006-2010 | | |
| 553 | Alpha Inc. | J-Sin, Kris Keith/Double K, Leo Kirby, Mack Buckler, Sledge Gibson, Wes Rogers | 2021- | | |
| 554 | Alpha Sigma Sigma | Brent Oakley, KC Jacobs, Pledge | 2022- | | |
| 555 | Alpha Zeta Zeta | Austin Adams, Gonzo, Hanz Carden | 2022- | | |
| 556 | Altar Nation | Altar Boy Billy, Pastor Andrews, Reverend Jim, Wilson Kaine | - | | |
| 557 | Amboss | Robert Dreissker, Icarus , Laurance Roman, Dover | 2022- | | |
| 558 | Ambush | Emman Azman, Aysha, Murdoch, Jarvis | 2022- | | |
| 559 | America's Most Wanted | Boomer Payne, Cory K, Crusher Hansen, Jimmy Vegas | 2000-2001 | | |
| 560 | American Coalition | Jamie Scott, Lumberjack LeRoux, Aaron Draven, Aaron Gibbs, Ethan Price | 2009 | | |
| 561 | American History Next | Steve Stone, Hardcore Craig, Brandon Blaze | 2006-2009 | | |
| 562 | American Horror Story | Alex Ocean, Agony , Jackal | 2019- | | |
| 563 | American Nightmare | Mad Man Pondo, 2 Tuff Tony, Gigante Warrior | 2011 | | |
| 564 | American Patriots | Ace Davidson, Steve Rivers, The Final Chapter, Bob The Bruiser, Phil LaFon | - | | |
| 565 | American Top Team | Andrei Arlovski, Austin Vanderford, Blake Bowman, Dalton Rosta, Dan Lambert, John Hartnett, Jorge Masvidal, Junior Dos Santos, King Mo, Paige VanZant | 2021- | | |
| 566 | American Way | Aaron Helms, Bubba Sutton, Eddie Rydell | 2017-2021 | | |
| 567 | Amityville Project | Dan Barry, Mike Verna, Rex Lawless, Ryan Galeone | 2017-2018 | | |
| 568 | Amount Rushmore | JXT, Matt Hayter & FOX/Fun Time Phil | 2022- | | |
| 569 | Anarchy Uprising | Steve Griffiths, Tommy Dean, JD Knight | 2015 | | |
| 570 | Anarky | Jared Gorwick, Jay Shelley, Krimson Khaos/Khaos, Ryan Riot | 2019- | | |
| 571 | Anarquia Andrade | Brillante Jr. , Cavernario Galindo Jr., Zafiro Jr., Lady Shadow, Juventud Azteca | 2022- | | |
| 572 | Anderson Brothers | Marty Anderson, Ryan Anderson, Shawn Anderson | 2022- | | |
| 573 | Andrew Kingdom | The Andrew King Takuma, Taylor Adams, Shigehiro Irie, Naka Shuma, Taishi Takizawa, Ayumu Honda, CHANGO/The Andrew King CHANGO | 2020-2021 | | |
| 574 | Anger Alliance | Adam Roberts, Brandon Phoenix, Brodie Chase, Don Matthews | 2007- | | |
| 575 | Anger Inc. | Adam Roberts, Don Matthews, Jason Blackman | 2007 | | |
| 576 | Animal Kingdom | Combat Wombat, Gator & Kobra Jones | 2022- | | |
| 577 | Animal Planets | Touru Owashi, KAGETORA, Hercules Oosenga/Hercules Senga, Bear Fukuda, Animal Shogo, Takuya Sugawara, Nobutaka Araya, CHANGO, Shuji Kondo | 2007-2008 | | |
| 578 | Anti-Deathmatch Party | Hector Jones, Mitchell Wright, Caity Luxe, Lochy Hendricks, Damian Rivers | 2021- | | |
| 579 | Anti-Fun Police | Chief Deputy Dunne/Damian Dunne/No Fun Dunne, Los Federales Santos Sr., Sgt. Banks, Jim Obstruction, Leigh Obstruction, Los Federales Santos Jr., Drake/HT Drake, Joe Nelson, Ryan Smile, Splits McPins/Code McSafety/Cones McSafety, Marc Lloyd, | 2016-2020 | | |
| 580 | Anti-Players Association | Shiro Koshinaka, Kengo Kimura, Kuniaki Kobayashi, Masashi Aoyagi, Akitoshi Saito | 1992-1993 | | |
| 581 | Anti-Venom | Jaxon Cross, Xander Sullivan, JL Gold, Jake Nova | 2018- | | |
| 582 | Apache Army | Kintaro Kanemura, Tetsuhiro Kuroda, GENTARO, Mammoth Sasaki, Hi69, Yusaku Obata | 2005-2008 | | |
| 583 | Apex | AJ Alexander, Curtis Ray Goddi, Joshua Kavod, Ron Hunt/Ronnell Hunt | 2022- | | |
| 584 | Apostles Of Chaos | Logan Black, Chris Benne, Jason Sinclair, MV Young | 2017-2022 | | |
| 585 | Appalachian Outlaws | Bo Nekoda, Hoss Hagood, Oakley Woods/Cousin Clay | 2016- | | |
| 586 | Appeal | Jayson Xavier, Nathan Brick, Olumide | 2022- | | |
| 587 | Apple Corp | Maxwell Jacob Feinstein/Maxwell Jacob Friedman, Valerio Lamorte, Matt Macintosh | 2016-2017 | | |
| 588 | Apple Pickers Alliance | Doomslayer, Jaxon Parker, Joey Farrugia | 2024- | | |
| 589 | Approuves Soprano | Chakal, Franky The Mobster, Jake Matthews, Gorgeous Mike, Stefany Sinclair, Steven Mainz | 2016-2017 | | |
| 590 | Approved | Adrian Hawkins, Bobby Moore, Nick Halen, Kenji Brea, Rob Adonis | 2017- | | |
| 591 | Arcane Horde | UltraMantis Black, Obariyon, Kodama, Oleg The Usurper, Kobald | 2015-2016 | | |
| 592 | Arch City Mercenaries | Jackal, Jimmi LaFleur, Tony Esteem | 2018- | | |
| 593 | Architects Of Anarchy | Vandal Drummond, Crayz, Frankie Dee, US Avenger | 2012-2013 | | |
| 594 | Aristocrats | Lord Graham Thomas, Sir Thomas Chamberlain, Dave Fraiser | 2008- | | |
| 595 | Aristocrats | William King & Wulfgar & Zachary Pierre Beaulieu & Tomahawk | 2015- | | |
| 596 | Arkansas Scufflers | Dopey, Pappy , Sleepy | - | | |
| 597 | Armada | Massive Q, Michael Spencer , Robbie Eagles, Xena | 2016-2018 | | |
| 598 | Armada | Chad Lennex, Lucas Chase, Slim Seven | 2022 | | |
| 599 | Armstrongs | Bob Armstrong, Brad Armstrong, Brian Armstrong, Scott Armstrong, Steve Armstrong | - | | |
| 600 | Army Of Rockness | Matty Dee, GeeStar, Roy Wilkins | - | | |
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