- 2018 A Division
- 2018 B Division
- ATL Mass Destruction
- ATL Show Stoppers
- ATL Wild
- AUS ATX Fusion
- CHI Dragons
- DAL Adrenaline
- DAL Eagles
- DAL Lone Star Smash
- DEN Stixxx
- FTL Demons
- FTL Noize
- HOU Revolution
- KNOX Cyclones
- LV Lazer Sports
- LA Rebels
- LA Thunder
- ORL Unicorns
- ORL Voltage
- PHX Arizona Ice
- SF Fury
- SF Quake
- SEA Freeze
- SEA Lawless
- SEA Los Gallitos
- TAM Dynasty
- TAM Outlaws
- TC Steel
- 2018 C Division
- ATL Reign
- ATL Titans
- ATL Wet Demons
- AUS ATX Fusion C
- AUS Rough Riders
- AUS Texas THOTS
- BIRM Adrenaline
- BOS Rebels
- BOS X-Factors
- CBUS Capitals
- CBUS Union Rampage
- DAL Woody's Venom
- DAL Demons
- DAL Dirty Dawgs
- DAL Synergy
- DESM Masterbatters
- FTL Felicias
- FTL Stampede
- FTL Supervillains
- HOU Balls Deep
- HOU Crush
- HOU Divers
- HOU Wild
- INDY Sluggers
- KC Express
- KNOX Cyclones
- LV Card Sharks
- LV Grease Monkeys
- LB Crushers
- LB Pegasus
- LA Bulldogs
- LA Fury
- LA Softball Cartel
- MATL Mid-Atlantic Thunder
- NASH Force
- New Orleans Southern Belles
- NY GYM Sports Bar
- OKC Blaze
- ORL Fury Unleashed
- ORL Outlaws
- PS Roadrunnerz
- PHL Wolves
- PHX Diablos Saints
- PHX Diamonds
- RHOD Platinum
- SD Scorpions
- SD Wicked
- SF Blackout
- SF Boom
- SF Cougars Ambush
- SF Sluggers
- SEA Slayers
- SEA Wildfire
- SEA Wolfpack
- TAM Krewe
- TAM Lizards
- TAM Otters
- TUL Titans
- Twin Cities Big Gay Moose
- Twin Cities Steel
- Twin Cities Swingers
- DC Envy
- DC Raptors
- DC Rockets
- 2018 D Division
- ATL Reign
- ATL Talons
- ATL Thunder
- AUS 512
- AUS Blaze
- AUS Los Tigres
- BIRM Bama Boys
- Boston Postmasters
- CHI Jox
- CBUS Flamers
- DAL Angels
- DAL Diesel
- DAL DIVE!
- FLT Sluggers
- FLT Wolfpack
- HOU Clutch
- HOU Knight Time
- HOU Tequila Shots
- INDY Ballbusters
- KC Hitmen
- KNOX Good Times
- KNOX Shock Therapy
- LV Firebenders
- LV Sin City Bandits
- LV Thunder
- LB Grizzlies
- LB Hooks
- LB SBW
- LA Softball Cartel
- LA Swingers
- LA uMAD
- MAD Booze Crew
- MEM Cotton Row Uniques
- MATL Norfolk Gunners
- MIL Brew Crew
- NASH Music City Beat
- NO Big Easy Bears
- OKC Wolfpac
- ORL Down and Dirty
- ORL Rage
- PS Gorillas
- PHL Homewreckers
- PHX Firebirds
- PHX Grizzlies
- PORT Martinis
- SANT The Leftovers
- SD Babycakes
- SD Blue Steel
- SD Over the Limit
- SF Cougars Cubs
- SF Inferno
- SF Rebels
- SV Mix DNA
- SEA Crazy Pitches
- SEA Revolution
- SEA Sasssquatch
- SNE Crew
- STL Rebels
- TAM Aces
- TAM Pitch Slapped
- TAM Tigers
- TOR Outlaws
- Twin Cities Triceratops
- WASH DC Shockers
- WASH DC Titans
- 2018 Masters Classic Division
- 2018 Masters Legends Division