| 1801 | Hollywood Hunks | Jamie Jackson, Custom Made Man, Stunning Sean | 1998-2001 | | |
| 1802 | Hollywood's Finest | Kevin Murphy, CM Serenyi, Laszlo Arpad, Bookoo Buckz, Eddie Smooth | 2015-2017 | | |
| 1803 | Holocausto | Electroshock, Hijo de Pirata Morgan, Kronoz, La Parka Negra | 2015 | | |
| 1804 | Holy Demon Army | Toshiaki Kawada, Akira Taue, Masanobu Fuchi, Yoshinari Ogawa, Tsuyoshi Kikuchi, Masao Inoue | 1993-2000 | | |
| 1805 | Holy Fashion | El Nazareno, Sr. C, Angel Fashion, Mike Mendoza , Vanilla Vargas | 2018- | | |
| 1806 | Honor Society | Sir Samurai, Drake Frost, Patrick Fitzpatrick, Scoot Robertson, Eliza Hammer, Mighty Mayra | 2017- | | |
| 1807 | Honor Society | Sir Samurai, Drake Frost, Brian Tannen, Mike Hayashi, Steve Stamp, Johnny Plinko, Ramon Clarkson, Timothy Thatcher, Dan Danielson | 2006-2012 | | |
| 1808 | Honour Role | Rick Vain, Betsy Lou, Thomas Wolfe, Ricco Barzini | 2001 | | |
| 1809 | Hooked Up | Xander Cooper, Abel Stevens, Mel Price | 2017-2018 | | |
| 1810 | Hooligan Heroes | Adrian Ackyl, Austin Willows, Bailey Blake, Jaden Newman, Jayke Murphy | 2016 | | |
| 1811 | Hooligans | Cody Hall, KAZMA SAKAMOTO, Maybach Taniguchi, Mitsuya Nagai, Yuji Hino | 2018-2019 | | |
| 1812 | Horde | Lars Metzger, Maddog The Destroyer, Redwing The Barbarian | 2019- | | |
| 1813 | Horrors | Dr. Gore, Da Butcherman/Butcherman/Bellum Roy, Dave Vindictus, Zero | 2017- | | |
| 1814 | Horrorshow | Kongo Kong, Jason Saint, Hy-Zaya, Amazing Maria, Hayley Shadows, Tripp Cassidy, Chase Matthews | 2015-2016 | | |
| 1815 | Hossman Inc. | Stevie LeBell, Vic Braun, Zander P. Gabriel | 2022- | | |
| 1816 | Hostile Collective | Abdul Nasir, JustNeph/Nephtali Rodriguez, Darius Carter, Katred, Harley, John Cannon | 2015-2021 | | |
| 1817 | Hostile Makeover | Kris Chambers, Shiima Xion, Ash | 2008 | | |
| 1818 | Hot Boiz International | KC Navarro, Lucky 13, Eric Martin, Wrecking Ball Legursky, Bobby Orlando | 2018-2021 | | |
| 1819 | Hot Commodity | Chris Hamrick, EZ Money, Johnny Swinger, Julio Dinero | 2000-2001 | | |
| 1820 | Hot Stuff And Hyatt International | Eddie Gilbert, Jack Victory, John Tatum, Missy Hyatt, Rick Steiner, Sting | 1986-1987 | | |
| 1821 | Hot Stuff International | Don Muraco, Eddie Gilbert, Jimmy Snuka, Paul E. Dangerously, The Dark Patriot | 1993 | | |
| 1822 | HotRodz | Joey Graham, Greg Graham, Pat Graham | 2013-2014 | | |
| 1823 | Hounds Of Hatred | Stockade, Bam Sullivan, Boo Sullivan, Mouse, Apollyon , King Mega, Devil Doll | 2015-2017 | | |
| 1824 | House | Chris Bronson, Chris Adams , Pete Bainbridge, LA Taylor, Kneecapper Murphy | 2021-2022 | | |
| 1825 | House Of Bones | The UK Dominator, Gideon, Jeckel, Lomaxx | 2015-2016 | | |
| 1826 | House Of Cards | Sigmon, Andy Douglas, Shane Andrews, Colt Steele, Ryan Dookie | 2008-2009 | | |
| 1827 | House Of Couture | Jinny, Chakara, Nina Samuels, Charlie Morgan | 2018-2020 | | |
| 1828 | House Of Free Spirits | Zenith, Faizal Keris/Faizal Ali, LangKay, The Great George, Diego D'Basco | 2021- | | |
| 1829 | House Of Gangone | Anthony Gangone, Bonez, Ezekiel Lewis, Gabriel Grogan, Juba, Smiley, Thomas Odin, The Amazing Red | 2017-2019 | | |
| 1830 | House Of Harley | Caeden Ooten, Christian Garrett, Ozzy Owens | 2023- | | |
| 1831 | House Of Hell | Black Dragon, Breaker I-Ton, Danni Deeds, Hellion/Hellion Reaper, J-Sin Sullivan, Lak Siddartha, Mantasia, Mr. Smyth, Riea Von Slasher, Rigor Von Slasher, Sia Akia, Slammer , Vulture Of Doom | - | | |
| 1832 | House Of Hess | Cody Smith, Nate Andrews, Wade Hess | 2013 | | |
| 1833 | House Of Humperdink | Sir Oliver Humperdink, Leroy Brown, Greg Valentine, Paul Jones, Kevin Sullivan, Kareem Muhammad, Hercules Hernandez, Lord Humongous, The Masked Nightmare, Abdullah The Butcher, Gene Anderson, Bruiser Brody, Jos LeDuc, The Great Muta, Ivan Koloff, The One Man Gang, Matt Borne | 1982-1985 | | |
| 1834 | House Of Isaiah | Isaiah Quinn, Jacob North, Nick Maguire | 2019- | | |
| 1835 | House Of Kane | Mohammed Kane, The Combat Kid, Sheik Abdul Hassan, Spike Callahan | 1998-1999 | | |
| 1836 | House Of Love | Cami Love, Destello , La Macs | 2023- | | |
| 1837 | House Of M | Damballah, Lou The Fixer, Mad Man Mandrake, SNOW | 2008 | | |
| 1838 | House Of Saynt | Christopher Saynt, Theo Doros, Jayla Dark, Sierra Loxton, Lou King Sharp, Grant McIvor, Ann Phetamine | 2016-2018 | | |
| 1839 | House Of Spades | Bobby Chrono, Hannibal Mercado, Rey Xion, Tiberius Wolfe | 2021- | | |
| 1840 | House Of Truth | Truth Martini, Christin Able, Josh Raymond, Roderick Strong, Michael Elgin, Christopher Daniels, Zach Gowen, Rhino | 2010-2012 | | |
| 1841 | House Of Wolves | Dravin Frost, Zack Monstar, Deakon Starr, Johnny Rudo, Lena Taylor | 2017- | | |
| 1842 | House Stag | Albion de Quincey, Arkham , Derren J. Blair, Lucha DS, Nathan North, RJ Cash, Taylor Vite, Colton Davis, Brodie Adler | 2022- | | |
| 1843 | House Wildcat | Albion de Quincey, Derren J. Blair, Jimmy Pierce, Logan Smith, Lucas Craig, RJ Cash, Struan, Brodie Adler, Arkham , Harbinger | 2022- | | |
| 1844 | House Wolf | Brodie Adler, Colton Davis, Connor Rose, Damian Ryans, Glen Dunbar, Lad Chapman, Cypher , Martin MacAlistair | 2022- | | |
| 1845 | Hustle Kamen Rangers | Hustle Kamen Blue, Hustle Kamen Gold, Hustle Kamen Green, Hustle Kamen Orange, Hustle Kamen Red, Hustle Kamen Silver, Hustle Kamen Yellow | 2004-2009 | | |
| 1846 | Hyper Destroyers | Evie, Hiroyo Matsumoto, Kellie Skater | 2015-2016 | | |
| 1847 | Hypnotic And Heroic | Shane Hero, Chris Trance, The Lawyer | - | | |
| 1848 | I Cavalieri Neri | Cavaliere Nero I, Cavaliere Nero II, Cavaliere Nero III, Cavaliere Nero IV | 2013-2016 | | |
| 1849 | I Colossali Centauri | Lothar, Serch, Giovanni Carlo Bruni | 2010- | | |
| 1850 | I Cowboy Italiani | Charlie Kid, Stelvio L'Alpino, Alex Daniele | 2010- | | |
| 1851 | I Discepoli Del Dolore | Jester , Psycho Mike, Incubo, Ombra, Jokey, Mr. Excellent | 2015-2017 | | |
| 1852 | I Giovani Leoni | Cyber Punk, Mariel, Alex Valanga, Silver Star , Il Kobra Nero | 2010 | | |
| 1853 | I Titani | Lothar, Raiss, Pitbull, Lacrima Christi | 2006-2006 | | |
| 1854 | ICF | Cast-Iron Cothern, Shane Morbid, X-Cal, Cold Blooded Chris, El Super Colibri, Volar | 2006-2007 | | |
| 1855 | ICF | Justin Lee , Outcast /Kenny Campbell, Vanessa | 2001-2010 | | |
| 1856 | IFHY | Johnathan Wolf, Shawn Kemp, Cole Radrick, Alice Crowley, Billie Starkz, Allie Kat, Tyler Matrix | 2018-2020 | | |
| 1857 | III | Mikael Judas, Phil Shatter, Ryan O'Reilly | 2009 | | |
| 1858 | ILL Gravity | ARA, Hiro Iijima, MIKA, Naoya Akama, Mr. Mask, Kensuke | 2023- | | |
| 1859 | IQ Superior | The Classmaster, The Disciplinarian, Samantha Smart, GI Jane | 2023- | | |
| 1860 | IRON PRIEST | FUMA, Madoka/Hagane Shinnou, Yusuke Kubo | 2016-2017 | | |
| 1861 | IT Clique | Jodi D'Milo, Shaun MacMillan, Chaz Lovely, Deeno | 2010- | | |
| 1862 | IWA OG's | Mark Mercedes, Robbie Zucco & Brett Brady | 2019 | | |
| 1863 | Icons | Titan Mask, Flyin Lion Pillman, Buck Lewis, Drop Bear | 2012 | | |
| 1864 | Icons | Adam Brooks, Rocky Menero, Slex | 2024- | | |
| 1865 | Idol Dynasty | Andrew Steele, Dirty Money, Flash Wheeler, Timothy Idol, Nelson | 2003-2004 | | |
| 1866 | Idolmania Sports Management | Austin Idol, Tyrus, BLK Jeez, Jordan Clearwater, Marshe Rockett, Cyon | 2021-2023 | | |
| 1867 | Ill Begotten | Alex Taylor, Captain YUMA, Danny Dealz, Jeremiah Plunkett, Rush Freeman | 2022-2023 | | |
| 1868 | Illuminati | Thunder , Wade Hess, Moose Morrow, Quiz, Derek Drexl, Skag Rollins, Twist, Wage, J-Sin Sullivan, Nate Andrews | 2008-2014 | | |
| 1869 | Illuminati | Tony Givens, Chris Richards, Alyx Winters, Chase Owens, Rob Knight, Nick Hammonds, Robbie Cassidy, GQ Flawless, Matt Rhodes, Jason Kincaid, Derik Billings, Bryan Kyle, Brandon Cox, Jeff Baker | 2011-2015 | | |
| 1870 | Illuminati | MDK, Shane McClane , Erik Storm | 2012- | | |
| 1871 | Immortal Fear | Billy Blade, Kaden, Payton, Kris Kage | 2001-2006 | | |
| 1872 | Immortal WAR | Chase Stevens, Chris Thorn, Gangrel | 2016 | | |
| 1873 | Impact Elite | Aaron Neil, Bobby Starr , Convict , Damon Windsor, Erica , Jermaine Johnson, Johnny Z , Jordan Jacobs, Kevin Morgan, Shawn McHale, Starr Venus | 2012-2014 | | |
| 1874 | Impact Inc. | Jose Perez, Vertabreaker & Kevin Karizma | - | | |
| 1875 | Impact Inc. | Aaron Neil/The Bronze Bull, Angel Williams , Austin Tacious, Bernie Donderwitz, Blake Albright, Bobby Starr , Brad Michaels, Brandon Bishop , Brent Albright, Damien Morte, Damon Windsor, Double D , Erica , Gary Tool, Gideon Vane, Jermaine Johnson, Joe Gomez, John Zorthos/Johnny Z , Jordan Jacobs, Jeff Wolfenbarger, Kevin Morgan, Marianne Albright, Mark Wilson, Michael Barry, Randy Price, Shawn McHale, Tommy Revell, Starr Venus, The Convict , Bernie D | 2004-2015 | | |
| 1876 | Impact Players | Ryan Remington, Tommy Becker, Dave Segan, Jamie Oller | 2018-2019 | | |
| 1877 | Imperio Azteca | Angel Azteca Jr., Emperador Azteca , Emperador Azteca Jr., Fantastico , Karisma , Emperatiz, Rey Arabe, La Fashion | 2022- | | |
| 1878 | In Crowd | Anthony Greene, Brandi Lauren, Harlem Bravado, Jessi Kamea | 2019-2020 | | |
| 1879 | InFAMy | Deonn Rusman, Joeasa, Robin Steele | 2019- | | |
| 1880 | Incoherence | Hallowicked, Delirious, Frightmare | 2008-2009, 2021-2023 | | |
| 1881 | Independent Sports Entertainment Society | Tommy Thomas, Elijah Evans IV, Ethan Case | 2014 | | |
| 1882 | Indian Tigers | Goswami, Villein, Jey Jackson | 2019- | | |
| 1883 | Industry | Bulldozer , Corey Futuristic, Destin Vaine, Chris Marx, Kid Cupid | 2013 | | |
| 1884 | Inevitable | Darius The Juggernaut, Mike Mondo, Sean Wachter | 2023- | | |
| 1885 | Infamous Injustice League | Azrieal, Dan De Man, Josef von Schmidt, Sebastian Cage, Troy Stevens | 2015-2017 | | |
| 1886 | Infantry | Carlie Bravo, Shawn Dean, Trish Adora | 2023- | | |
| 1887 | Influence | Madison Rayne, Tenille Dashwood, Kaleb With A K | 2021-2022 | | |
| 1888 | Inframundo | Belcebu , Green Demon, Rigor Mortis, The Maze, Jeinarr, Espectro Immortal, Aslak | 2022- | | |
| 1889 | Inglorious | Endboss GREGORY, Hotshot , Wildfire Remus/Remus | 2022- | | |
| 1890 | Inglorious Bastards | Marty Snow, Midas, Cosmo Orion, Nolan Knight, SuperFlash | 2022- | | |
| 1891 | Inglorious Dastards | Brandon Behm, Buddy Romano, Doug Summers, Tony Caruso | 2012- | | |
| 1892 | Injustice | Jordan Oliver, Kotto Brazil, Myron Reed | 2019-2021 | | |
| 1893 | Inkognito | Argon, Geist, Samhein , William Fevik | 2013- | | |
| 1894 | Inner Circle | Denver Street, TLD, Tommy Thunda, Richard P. Guille | 2007-2009 | | |
| 1895 | Inner Circle | Justin Tyme, John Boy Justice, Mr. C , Louis G. Rich, Brandon Bishop , Christian York, Bazooka Joe, Ace Montana, Ryan Ross | 2011-2012 | | |
| 1896 | Inquisitorium | Ivan Sanzio, Michele Montana, Vittorio Bruni | 2023- | | |
| 1897 | Insane Punishment | Dave Payne, Sai, The Creeper | 2013-2016 | | |
| 1898 | Institution | Jack Banning, Brendan Divine, Honest John , Hunter Freeman | 2022- | | |
| 1899 | Insurgency | Ali Akbar/Mohammad Ali Vaez, Omar Akbar, Bin Hamin, Turcan Celik, Serena | 2007-2009 | | |
| 1900 | Insurgent.es | Carlos Vega /Carlos Vegan, Alex Ace, Oliver Turner, Tristan J. Charles/TJ Charles | 2017- | | |
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