| 501 | Caesar's Legion | Caesar, Tommy Mandrake, Purple Rain, Ryot, Johnny Swift, Superbeast | - | | |
| 502 | Cain Industries | Adam Cain, Anthony Gangone, KJ Mack | 2023- | | |
| 503 | Cairns Prodigies | Champ Phoenix, JayME, Mad Maxx | 2019-2020 | | |
| 504 | Cajun Outlawz | C-Thang, Killer Shane, Michael White, Rhett Thibodeaux | 2018- | | |
| 505 | Calgary Hurricanes | Super Strong Machine, Hiro Saito, Shunji Takano | 1985-1986 | | |
| 506 | Caliber | Blake Curtis, Miss Fortune & James Marshall | 2019 - 2020 | | |
| 507 | Calling | Rickey Shane Page, Sami Callihan, Talon /Talon , Cannonball , Doctor Cornwallis, Delirious, Mandy Leon, AKIRA , Raven | 2023- | | |
| 508 | Camachos | Angel Camacho, Emmy Camacho, King Camacho, Ocho Camacho, Onyx Camacho/Onix Camacho, Zarek Camacho | 2022- | | |
| 509 | CAMELOT | Emanuel Bodega, James Drake , Tommy Thomas, Zane Dawson, Will Huckaby | 2016 | | |
| 510 | Camelot | Andre Fabri, Doble D, Seven , Pashenko | 2023- | | |
| 511 | Camp Cornette | Jim Cornette, Yokozuna, Owen Hart, The British Bulldog, Vader, Mr. Fuji, Clarence Mason, Jimmy del Ray, Tom Prichard, Mantaur | 1995-1996 | 7.71 | 44 |
| 512 | Camp Cornette | Clarence Mason, Jim Cornette, Jimmy del Ray, Mantaur, Mr. Fuji, Owen Hart, The British Bulldog, Tom Prichard, Vader, Yokozuna | 1995-1996 | 7.71 | 44 |
| 513 | Campaign For A Better Combat Zone | Drew Gulak, Kimber Lee, Mr. Tofiga, Alexander James, Dewey Donovan | 2011-2014 | | |
| 514 | Campground Athletic Commission | Dr. Ethan Wilde, Johnny Moran, Skiff | 2020-2021 | | |
| 515 | Canadian Bond | Anderson Grimm, Canadian Kid, Teddy Joe, Billy D | 2017-2018 | | |
| 516 | Canadian Nightmares | Steve Hunter, Tony Militia, Johnny Kain | - | | |
| 517 | Cancel Culture | Joey Ryan/Joseph P. Ryan, Rob Van Dam, Jacob Crist, Katie Forbes | 2020 | | |
| 518 | Candy Brothers | Curtis Candy, Corky Candy/Core , Cranky Candy | 1998-2001 | | |
| 519 | Cannon Cartel | Kevin Cannon, Rob Stardom, Bobby Collins | 2014-2015 | | |
| 520 | Cannon Clan | Bobby Collins, Jacob Creed, Bobby Schink, Kevin Cannon | 2018- | | |
| 521 | Cannon Clan | Bobby Collins, Rob Stardom, Kevin Cannon | 2015-2018 | | |
| 522 | Cannon Corporation | Bobby Schink, Kevin Cannon, Roy Cheeks, Shaun Martens, Kevin O'Doyle, AJ Sanchez | 2019- | | |
| 523 | Cardona Family | Matt Cardona, Brian Myers, Chelsea Green, Mike Knox, VSK | 2022-2023 | | |
| 524 | Cardonas | Matt Cardona, Chelsea Green, Mike Knox, VSK | 2022 | | |
| 525 | Careless Dynasty | Christopher Clarence, Marcus Gold, Joshua Syn, Tantrum, Junior Power | 2019- | | |
| 526 | Caribbean Arrogance | Rico De La Vega, Chuco, Jay Manny | 2019- | | |
| 527 | Caribbean Connection | Rico De La Vega, Chuco/Alexander Chris, Jay Manny/Jay Manning | 2018-2019 | | |
| 528 | Carnage Crew | DeVito, Justin Credible, Loc/HC Loc, Masada | 2002-2004 | 4.29 | 6 |
| 529 | Carnaval de Sangre | Sexualizer, Kristy, Alejandro Saez/XL, Carnicero | 2018- | | |
| 530 | CarnEvil | Mat Gauge, Roswell, Miles Malice | 2019- | | |
| 531 | CarnEvil | Alex Sallers, Anderson North, Jake Matthews , Jim Maguire, The Watcher | 2019- | | |
| 532 | Carnies | Tripp Cassidy, Kerry Awful, Nick Iggy, Maxwell Classic, Hunter Drake | 2016- | | |
| 533 | Carnival Of Carnage | Dementor , Il Cognito, Scarecrow | 1999-2002 | | |
| 534 | Carnival Of Doom | Flame , Miles Malice, Zuzu The Muscle Clown | 2022 | | |
| 535 | Carnival Of Shadows | OMEGA, Jeckles, Corvus, Darkness , Sledge , Larry Blackwell, Sinn Bodhi, Jinxx | 2011- | | |
| 536 | Cartel | Cactus Jack, Makhan Singh, Scott Anthony, Rip Rogers | 1991 | | |
| 537 | Cartel | Angel Alvarado, Diego Cruz, Lor Diaz, Portia | 2021- | | |
| 538 | Cartel | Torture, Trauma , Nikki Poteet, Goldsteen, Mad Maxx Ramirez | 2022-2024 | | |
| 539 | Cartel de Tiza | Zoom Driver, Yelmo 2000, Mr. Tauro, Silver Metal | 2015- | | |
| 540 | Casanova Productions | JT Producer/Jordano The Producer, Matt Viviani/Fernando De La Cruz, Shayne Hawke | 2022- | | |
| 541 | Cash Foundation | Mark Willis, Morino, Ricky Cash | 2018- | | |
| 542 | Cash Money Mafia | Cash Money Erkan, Highjakka, Murat AK | 2014-2015 | | |
| 543 | Cash Vault | Rob Adonis, Bobby Moore, The Judge , Frankie Valentine, Mr. Jones , Kyle Matthews, Sal Rinauro | 2008-2012 | | |
| 544 | Cash Vault | Charlie Cash, CB Suave, Tommy Penirelli, Bobby Moore | 2013 | | |
| 545 | Casual Violence | Badger Briggs, Brixton Nash, Damon Spriggle, Jameson McGregor | 2022- | | |
| 546 | Casualties Of War | Grunt , Shrapnel, Malice , AWOL , Grenade , Sgt. Stryker, Jeff Pebbles, Major Powers | 1998-2003 | | |
| 547 | Cat's Meow | James Crowder, Kato , Nate Nixon, Rick Jules | 2017- | | |
| 548 | Catch Hoolz | Terry Frazier, Sha Samuels, Big Van Walter, Jon Ryan, Sami Callihan, Tatsuhito Takaiwa | 2009-2010 | 5.89 | 8 |
| 549 | Catch Point | Drew Gulak, Tracy Williams, TJ Perkins/TJP, Matt Riddle/Matthew Riddle, Fred Yehi, Chris Dickinson, Jaka, Dominic Garrini, Stokely Hathaway | 2015-2018 | 9.31 | 28 |
| 550 | Catharsis | Red Cat, Herbi Vara, Chris Titan | 2023- | | |
| 551 | Cause | Dave Rayne, Zack Diamond, Axl Rage, James Drake , Sean Daniels, Sam Bailey | 2013-2014 | | |
| 552 | Cause | Adam Caster, Austin Blackburn, Danny Adams, Evan Gelistico, Everett Connors | 2015-2016 | | |
| 553 | CAUTION | Dark Sheik/Sheik Khan Abadi, Ean Hancement, Anton Voorhees, Boone, Vipress | 2016- | | |
| 554 | CAUTION 2 | Boone, The Cereal Man, The Dark Sheik | 2019 | | |
| 555 | CAUTION 2 | Booneman, Glorious Banana, Sheik Khan Abadi, Bernie Phaeton | 2018-2019 | | |
| 556 | Cavalcade Of Stars | Chris J. Lazareth, Joel Hagan, Kaz Jordan | 2021-2022 | | |
| 557 | Cavalry | Ryuichi Sekine, Ryota Nakatsu, Koji Iwamoto, Fuminori Abe | 2016-2018 | | |
| 558 | CAZAI | Ai Fujita, Ayako Hamada, Candy Okutsu, Mika Akino/AKINO | | | |
| 559 | CB4 | Ibo Latino, Robert Kaiser, Atesh, Cem Kaplan, Pete Bouncer, Rick Baxxter | 2011- | | |
| 560 | CBK | Ben Braxton, Rita Stone, Tyson Reed | 2021 | | |
| 561 | CBX | Tony Jones, Babi Slymm, Virgil Flynn, K-Dubb | 2009 | | |
| 562 | CBZwei | Cem Kaplan, Pete Bouncer, Rick Baxxter | 2013- | | |
| 563 | CCK | Chris Brookes, Kid Lykos, Travis Banks | 2017-2018 | 8.80 | 14 |
| 564 | CDC | Alex Cypher/Cypher , Chris Benne, Devantes, Dr. Cube, Juba, Kip Stevens | 2020-2023 | | |
| 565 | Celtic Crusade | Mr. McKinger, Evan McCloud, Kyle McCloud | 2011-2012 | | |
| 566 | Cerberus | Adam Polak, Ilja Dragunov, Julian Nero, Robert Dreissker, Dirty Dragan | 2015-2017 | 5.77 | 12 |
| 567 | Certified Sexy | Geno Da God, Sasha X/Sasha Jenkins, Nutrious X | 2014-2018 | | |
| 568 | CGS | Kid Valiant, Rochelle Rogue, Charli Rose, Will Walker | 2023- | | |
| 569 | Chain Of Command | Da Latin Soldier, Diego Lopez, Shadokat | 2023- | | |
| 570 | Chan Clan | Chandler McClure, Johnny Wisdom, Jordan McEntyre, Knight Wagner | 2009-2010 | | |
| 571 | CHAOS | Kazuchika Okada, Toru Yano, Tomohiro Ishii, Hirooki Goto, YOSHI-HASHI, YOH, Rocky Romero, Beretta/Trent Beretta, Chuckie T/Chuck Taylor, Orange Cassidy, Wheeler Yuta, Kris Statlander, Mikey Nicholls, Kazushi Sakuraba, Will Ospreay, Gedo, Jado, Jay White, Shinsuke Nakamura, Hideo Saito, Giant Bernard, Karl Anderson, Takashi Iizuka, Tetsuya Naito, Yujiro Takahashi, Black Tiger , Killer Rabbit, Robbie Eagles, Lio Rush, SHO | 2009- | 8.30 | 165 |
| 572 | Chaotic Action News | Cameron McCloud, Chester Furnacola, Terry Thistle | 2013-2014 | | |
| 573 | Chaotic Kingdom | Dontae Smiley, Jase Osei, Evelyn Carter | 2020- | | |
| 574 | Chase U | Andre Chase, Duke Hudson, Thea Hail, Riley Osborne, Jacy Jayne, Jazmyn Nyx, Bodhi Hayward | 2021- | 8.72 | 35 |
| 575 | Chavs | Dan James, Harry Mills, Mark Haskins, Tommy Langford/Tom Langford | 2005-2007 | | |
| 576 | Cheap And Dirty | Branden Juarez, Preston Maxwell, Shawn Nautilus, Zac James | 2011-2012 | | |
| 577 | Cheesy Nachos | El Gran Queso, Guacamole & Salsa | 2015- | | |
| 578 | Cherry Bomb Girls | Crush Yuu, Riko Blondie, Supersonic, Sareee | 2023- | | |
| 579 | Chi-Town Heat | Danny Daniels, Keith Walker, Shane Hollister, Trik Davis, Tyler Black | 2007-2008 | | |
| 580 | Chiba Heroes | Boso Boy Raito, Miyako Man, Marines Mask , Qiball Man, Yotsukaida, Mobara Star Festival 7, GLOBO Mask | 2009- | | |
| 581 | Chicago Connection | PL Myers, Daniel Allure, Jarod Priest, Jay Phoenix , Leon Tatum, Rick Knight, Santana Starks, Whiplash | - | | |
| 582 | Chicaly Extreme | D'Luxe, Inmortal, Tronx | - | | |
| 583 | Chick Magnets | Brian Soscia, Mike Tobin, Mozart Fontaine | - | | |
| 584 | CHIKARA Sekigun | Mike Quackenbush, Jigsaw, Hallowicked, Frightmare | 2010-2011 | | |
| 585 | Children | Chadwick Jackson, Stella Nyx, Brian Corster, Junior Li, Taylor King | 2018-2021 | | |
| 586 | Children Of Pain | Darin Childs, Khris Wolfe, Sky Ryder, Jason Silver, Skylar Skelly, Sky de Lacrimosa | 2010-2014 | | |
| 587 | Children Of Pain 2.0 | Killah Kash, Shawn Vexx, Jason Silver, Sky de Lacrimosa | 2012 | | |
| 588 | Children Of Revolution | Todd Austin, Shawn Cruz, Psycho Karl, Kayden Pheonix | 2008- | | |
| 589 | Chill Town | Scotty Mac, Sid Sylum, Azeem The Dream, Dropkick Murphy, Natural , Ray Brooks, Nicole Matthews | 2007-2009 | | |
| 590 | Cho Kibou-Gun | Takeshi Morishima, Maybach Taniguchi, Kenou, Hajime Ohara, Mitsuhiro Kitamiya | 2014-2015 | | |
| 591 | Choir Of Chaos | Jesse Amato, John Greed, Shaunymo | 2014- | | |
| 592 | Chosen Ones | Dameon Ceretone, Big Tomb, Ace Haven, Cameron Keast, Shean Christopher | 2015- | | |
| 593 | Christian's Coalition | Christian Cage, AJ Styles, Tomko, Scott Steiner | 2007 | 8.62 | 49 |
| 594 | Chuckle Crew | Jack Bartley, Jamie Mac/Jam Dog, Bonkers Baldwin, Miss Jynx, Chief Child | 2022- | | |
| 595 | Church And State | James Shaw, Sir Mr. Burns, Kurt McPherson, Tane Tukaha, Father Shaw, Olivia Shaw, Saint Finn, Tim Warren, NIWA, Bailey Sanders, Dylan Tasker | 2021- | | |
| 596 | Church Of Angelfyre | Gabriel Angelfyre, Mister Scott, Dragan Spazic, Young Money Chong, Shayla Skye, MO6 | 2010- | | |
| 597 | Church Of Greatness | Brother Greatness, Anastasia Morningstar/Sister Anastasia, Boom Hayden, J-Heru/J. Heru/Brother Heru, Elijah Sixx, Lucas Chase, Perfect Perkins/Brother Perfect, Sammy Diaz/Brother Diaz, Stephen Azure/Brother Azure, Steve Somerset/Brother Somerset, Tyree Taylor, Ichiban | 2022- | | |
| 598 | Church Of Hierarchy | The Irish Bruiser, Scotty Priest, Pete Simmons | 2012- | | |
| 599 | Church Of Reznikk | Sean Reznikk, Dan Sandwich, Lucio Deever, Legion , Pit Vicious | 2013- | | |
| 600 | Church Of The Divine Prophecy | Divine Prophet, Artemis Spencer, Danni Deeds, Beautiful Bruce, Matt Classic , Cremator, Manther, Mike Dempsey | 2008-2011 | | |
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