| 301 | Berkeley Fucks | Richard Shhhnary, The Berkeley Bruiser, The Berkeley Brawler, Fabricio, Deacon Barista | 2016- | | |
| 302 | Best For Business | Cannon Connors/Dustin Connors, Riley Parker & Rogan Karguis | 2023- | | |
| 303 | Best Friends | Orange Cassidy, Chuck Taylor, Trent Beretta | 2024- | | |
| 304 | Best Of British Wrestling | Steve Morocco, Boombastic, Jonny Storm, Sören Reuter, Nathan Cruz, Binairial | 2015-2016 | | |
| 305 | Better Off Dead | Bovi, Chris Nastyy, Gin Sevani | 2022- | | |
| 306 | Better Than U | Brett Sanders /Brett Sanchez, Colossus , Jonathan Corvidae | 2017-2018 | | |
| 307 | BFFs | Summer Rae, Sasha Banks, Charlotte | 2013-2014 | 6.20 | 19 |
| 308 | BFFs | Troy McClain, Tyler Cintron, Martin Casaus, Sam Udell | 2015-2016 | | |
| 309 | bGc | Adam Thornstowe, Styker, Karl Fredericks, Wolfgang Danger | 2016-2017 | | |
| 310 | Bhangra Knights | Adil Khan, Darrell Amrah, RJ Singh | 2009-2012 | | |
| 311 | Big Action | Reggaedones, Eric Raymond, Raymond Shaw, Tina San Antonio | 2019 | | |
| 312 | Big Apple LLC | Psyco, Michael McMoney, Rikk Evans | 2009- | | |
| 313 | Big Business | Brian Milonas, Max Bauer, Alex Arion, Cherry Payne | 2007-2008 | | |
| 314 | Big Business | Brad Hollister, JCruz/Julio Cruz, Victor Chase, TJ Crawford | 2023- | | |
| 315 | Big Business | Vegas Starr, Tommy Winslow, Draven | 2020-2021 | | |
| 316 | Big Mouth Loud | Kazunari Murakami, Katsumi Usuda, Manabu Hara | 2006- | | |
| 317 | Big Ones | Big John, Bjørn Sem, Talentfulle Thomas | 2002-2007 | | |
| 318 | Big Rigs | HeadHunter Rig, Dazza, Steph De Lander | 2020 | | |
| 319 | Big Time | Damien Steele, Hank Hill, Horshu, Tom Howard | 2000-2001 | | |
| 320 | Big Unit | Dave Desire, Joe Rules, Luxurious Lynne, Rick Silver, Nick Berk | 1998-1999 | | |
| 321 | Big Unit '09 | Just G, Kristy Kiss, Rick Silver, Rob Fury | 2009 | | |
| 322 | Big Vin Squad | Big Vin , Bradley Prescott IV, Jay Malachi, Kristian Robinson, Mike Swanson, Steve Scott, Veda Scott | 2021 | | |
| 323 | Bigger Picture | Damian Dunne, Robbie X, Ryan Smile, Marshall X | 2015-2018 | | |
| 324 | Biishiki-gun | Saki Akai, Ai Shimizu, KANNA | 2015 | | |
| 325 | Billion Dollar Empire | Mr. Banks/Deron Banks, Big J. Knight/Jay Knight, Will Dolla, Gavilan De Plata | 2013-2016 | | |
| 326 | Bitchslap | Nurse Veronica, Traci, Trinity, Cheerleader Valentina | 2003 | | |
| 327 | Bite Club | Devin Danger, Shaun Sims, Tony Vargas, Chico Navarro, Popcorn Mike | 2017- | | |
| 328 | Bitter And The Dangerous | Ashley Dunn, Brendan White, Hustle Malone, Jayde | 2019-2020 | | |
| 329 | Bitter Club | Buddy Romano, Carlos Esteban, Ruby Bastien, Scott Levesque | 2018- | | |
| 330 | Blac | Carter Robinson, Jaxon Kade, Lexx Vegas | - | | |
| 331 | BLACK | Masahiro Chono, Shinsuke Nakamura, Giant Bernard, Travis Tomko, Black Strong Machine, Orlando Jordan, Milano Collection AT | 2006-2007 | | |
| 332 | Black Alley | Angel Colon, Christian Cross, Jason Land, Mr. AOK | 2022- | | |
| 333 | Black Army | Rob Black, Angel , Damien Steele, Dynamite D, John Kronus, Johnny Webb, Kraq, Lizzy Borden, Vic Grimes, Juventud Guerrera, Nosawa | 2000-2002 | | |
| 334 | Black Block | Brandon Cage & Zack Black & Muerte & Zack Black & Grim Crazy | 2014- | | |
| 335 | Black Circle | Mikey Whipwreck, Stockade, Syther | 2007-2009 | | |
| 336 | Black Dahlia | Misaki Ohata, Bambi, Hiren, Yumi Ohka, Ayako Hamada, Cherry , Hanako Nakamori, Mio Shirai | 2011-2012 | | |
| 337 | Black Flag Rising | Anarchy , Badger James, Daniel Aaron Michalles, The Faded Ghoul, Trench Blythe | 2023- | | |
| 338 | Black Gate Asylum | Alex Payne, Pelle Primeau, Shane Hagadorn | 2010-2011 | | |
| 339 | Black Generation | Demonic Flamita/Flamita, Emperador Azteca , Yutani/YUTANI, Elemental /El Elemental , El Bendito/Bendito, Accion Jackson/Action Jackson , Black Andromeda , El Hijo del Dr. Wagner Jr., Ricky Marvin, Limbo, Torito Negro | 2022- | | |
| 340 | Black Generation International | Kaito Ishida, Flamita, YUTANI/Yutani, Hartley Jackson, Kotaro Suzuki, Gringo Loco , Keiichi Sato, Action Jackson , Emperador Azteca , El Bendito, Black Andromeda | 2023- | | |
| 341 | Black Hand | Michael Fain, Smoothe Blackmon/Blackmon, Kiki Van Gogh | 2022- | | |
| 342 | Black Hand Society | Edric Everhart, Ty Cross, Jack Pollock, Payton Graham, Marcus Mann | 2014-2017 | | |
| 343 | Black Hand Warriors | Mark Sterling, Jason Jones, Michael Magnuson, Dave DeLorean, Jayden Fenix, Dark Shadows | 2012-2016 | | |
| 344 | Black Heart | Breaker Morant, AHTU, Apollyon , Rex Lawless, Josh Daniels, Matt Saigon, Joel Blackheart, Mustafa Aziz, Bobby Shields | 2011-2013 | | |
| 345 | Black Joker | Eagle Sawai, Rumi Kazama, Takako Inoue | - | | |
| 346 | Black Justice | Yuto Aijima, Diablo, Kitai Kubo, Kurokage | 2005-2009 | | |
| 347 | Black Label | Drew Galloway, Jack Jester, Red Lightning, Wolfgang, Bram, Stevie Boy, Kay Lee Ray | 2015-2016 | | |
| 348 | Black List Firm | Dave Patera, Geoffrey Bravo, Nathan Avery, Vinny DeMarco | 2014-2015 | | |
| 349 | Black Materia Inc. | Bruceilicous, Joseph Biggs, Mark Anthony , Ryan Roode | 2016-2019 | | |
| 350 | Black Militia | Patrick Black, Number One, Number Three, Number Four, Number Five, Number Two, Mike Slade | 2003-2004 | | |
| 351 | Black Money Security | Jack Xavier & Joe Colon | 2018-2019 | | |
| 352 | Black Money Service | Joe Colon & Jack Xavier | 2022- | | |
| 353 | Black New Japan | Masahiro Chono, Scott Norton, Manabu Nakanishi, Black Strong Machine/Makai #1, Harry Smith, Don Frye, Katsuyori Shibata, Kazunari Murakami, Mitsuya Nagai, Ryushi Yanagisawa, Toru Yano | 2004-2005 | | |
| 354 | Black Quebecois | Karl Jepson, Brad Alekxis, Ryan Donavon, Jessika Black, Jude Frisco, Jeremy Prophet/Black Dynamite | 2021- | | |
| 355 | Black Renaissance | Devantes, DM Kiddeaux, James Gray, Samael Fawzi | 2022- | | |
| 356 | Black Resistance | Giovanni, Lucky Sabiti, Madd Dog, Dru Onyx | 2012-2013 | | |
| 357 | Black Shirt Cool Group | Concrete Davidson, Jax Jordan, Ricky South, Shazza McKenzie | 2019-2020 | | |
| 358 | Black T-Shirt Squad | Mike Quackenbush, Reckless Youth, Don Montoya, Christian York | 1998-2005 | | |
| 359 | Black Talent'd Wrestlerz | Big Business , Bobby Ocean, Slyck Wagner Brown & Tre | 2010-2015 | | |
| 360 | Black Wallstreet | Chuck Lennox, Drolix, Marcus Streets, Solo /Marcellus Prime, Napalm Bomb, Demarcus Kane | 2011- | | |
| 361 | Black Watch | Solomon Spades, Joe Black, Chase Dakota, Jester Joke | 2012-2013 | | |
| 362 | Black Wave | Misaki Ohata, Bambi, Hiren, Yumi Ohka | 2011 | | |
| 363 | Black Wrestlers Matter | Malcolm Monroe II, Malcolm Monroe III, Xavier Walker, Palmer Cruise | 2016-2017 | | |
| 364 | Black Wrestlers Matter | Desert Storm, Doyle Day, Sidney Porter | 2015-2016 | | |
| 365 | Blackballed | Lamont Williams, Josh Emanuel, Shawn Blaze | 2010 | | |
| 366 | Blackest Hour | Adrian Priest, Dorian, Richter, Devlin Reeves, Rick Sanders, Jose Del Santo | 2009-2012 | | |
| 367 | Blackfists | Black Dynamite, David Blackburn, Mike Paterson, Velvet Jones, White Chocolat | 2015- | | |
| 368 | Blackheart Battalion | Brubaker, Jason Hades, Shotzi Blackheart, Storm Grayson | 2019-2021 | | |
| 369 | Blacklist | AJ Steele, Murder-1, Kory Chavis, Vordell Walker, J-Rod | 2012- | | |
| 370 | Blackpool Combat Club | Bryan Danielson, Jon Moxley, Wheeler Yuta, Claudio Castagnoli, William Regal | 2022- | 9.09 | 190 |
| 371 | Blagger Boyz | Blagger Boy #1, Blagger Boy #2, Blagger Boy #3 | - | | |
| 372 | Bled | Clint Margera, Luke Douglas, The Elliott Jordan Experience | 2018- | | |
| 373 | Blessed | Boom Harden, Eran Ashe, Gino Gotz, Jae Fre, KC Navarro, Theo Ivory | 2020 | | |
| 374 | Blighters | Arthur Starrick, Joshua DuVall, Evie Rose, Tommy Wylde, Adam Finch, Ted, Robert James, Big Sidney, William Holt | 2019- | | |
| 375 | BLK OUT | Ruckus, Alex Colon, Rich Swann, Robby Mireno, Chrissy Rivera, BLK Jeez | 2011-2014 | | |
| 376 | BLK OUT | Robby Mireno/Robby Illuminati, Ruckus, BLK Jeez/Sabian, James Ellsworth | 2016- | | |
| 377 | BLKOUT | Eddie Kingston/King, Joker, Maven Bentley, Robby Mireno, Ruckus, Sabian, Ricky Reyes, Slyk Wagner Brown, Chrissy Rivera, Jack Evans, Human Tornado, Too Cold Scorpio | 2004-2010 | 3.47 | 14 |
| 378 | Bloc Party | The Polar Baron, The Proletariat Boar Of Moldova, Mr. Azerbaijan, Prakash Sabar, The Brown Morning Of Belarus | 2013-2016 | | |
| 379 | Blond Outlaws | Hiro Saito, Tatsutoshi Goto, Norio Honaga | 1989-1992 | | |
| 380 | Blonde Mafia | Amber O'Neal, Brandi Richardson, Kristin Flake | 2008 | | |
| 381 | Blood And Guts | Daisuke Harada, Tadasuke, Zeus , Atsushi Kotoge | 2008-2008 | | |
| 382 | Blood Brothers | Maxx Mercy & Raze , ORP | 2022- | | |
| 383 | Blood Diamond | Kobe Durst, Jake Lander, Tre Lamar, Logan James, Joshua Bishop | 2019 | | |
| 384 | Blood Generation | CIMA, Don Fuji/Don Fujii, Matt Sydal, Jack Evans, Roderick Strong, Shingo Takagi, Naruki Doi, Masato Yoshino, Gamma, Magnitude Kishiwada, Naoki Tanizaki | 2005-2007 | 8.46 | 12 |
| 385 | Blood Money | Thomas Walton III, Ryan Summers, Bronson Bay | 2012- | | |
| 386 | Blood Money | Gabriel Soul, Guillaume deSade, Jamar Justice, Michael Anthony, Ricky Williams, Rob Coleman, Scott Scarsdale, War | 2011-2014 | | |
| 387 | Blood Strangers | Diablo, Kurokage, Toshiya Kawarai, Southern Shark, Jota, JADE, SHURA | 2021- | | |
| 388 | Blood WARRIORS | Akira Tozawa, BxB Hulk, Naruki Doi, Naoki Tanizaki, Yasushi Kanda, Cyber Kong, Tomahawk TT, Kzy, Brodie Lee, Uhaa Nation, Ryo Saito, Genki Horiguchi, CIMA, Ricochet, Gamma, Dragon Kid | 2011-2012 | 9.38 | 12 |
| 389 | Bloodline | Roman Reigns, The Rock, Paul Heyman, Solo Sikoa, Tama Tonga, Jimmy Uso, Jey Uso, Sami Zayn | 2021- | 8.84 | 182 |
| 390 | Bloodline | Billy Blade, Gangrel, Kadin, Mike Rayne/Michael Rayne | 2005-2015 | | |
| 391 | Blowout Boys | Danny E, Antonio T, Frankie A, Vinny E, Matty E | 2008-2010 | | |
| 392 | Blue Bloods | Earl Robert Eaton, Jeeves, Lord Steven Regal, Squire David Taylor | 1995-1997 | 7.33 | 20 |
| 393 | Blue Nation | Adam Hoffman, Rita Stone, Albie Anne Troska | 2021- | | |
| 394 | Blue Steel | Cody Manning, Dominic , Jayden Andrews, Mike Marvel | 2009-2017 | | |
| 395 | Blue Steel And Sex Appeal | Jay Fenix, Draven , Danyah | 2007 | | |
| 396 | Blue World Order | Stevie Richards/Big Stevie Cool, The Blue Meanie/Da Blue Guy, Super Nova/Hollywood Nova, 7-11, Lori Fullington, Chastity, Thomas Rodman | 1996-1997 | 7.13 | 51 |
| 397 | Blue World Order | Nova/Super Nova/Hollywood Nova, Stevie Richards/Big Stevie Cool, The Blue Meanie/Da Blue Guy | 1998-2021 | 3.70 | 26 |
| 398 | Blue-Chip Society | Andrew Thomas , Dustin Johns, Sean Stephens, Carlton, Billy Lobo Jr. | 2020- | | |
| 399 | Bluegrass Bandits | Chris Draven, Jake Layton, Pete Parsons | - | | |
| 400 | Blutsbrüder | Erkan Sulcani, John Klinger, Evil Jared, Orlando Silver, Tarkan Aslan & Georg Asgolar | 2019- | | |
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