All Fishing Charters
- Milwaukee Offshore Fishing – Black Ops
- Milwaukee Offshore Fishing, LLC
- Minnesota Charters
- Minnesota Premier Guide Service
- Mirabello Boats Fishing Trips – Ares
- Mirabello Boats – Apollo
- Mirisola Fishing Charters
- Mirisola Fishing Charters II
- Mirse Azul Sport Fishing – 26' Mirse Azul
- MisStress Sportfishing Charters
- Misa Charters
- Misfit Charters
- Misfit Island Fishing Galveston
- Mishell ll Fishing Charters Service
- Miss Amelia Fishing Charters
- Miss Ann Fleet - The Second Chance
- Miss Ashleigh
- Miss Atlantic City Charter Boat
- Miss Banx
- Miss Behavin Fishing Charters
- Miss Carolyn ll Charters
- Miss Chief Charters
- Miss Chris Fishing
- Miss E Fishing Charters
- Miss Emily Charters 37 Sportfish
- Miss Emily Charters – 29' CC
- Miss Fitz Fishing Charters
- Miss Jenn’s Charters
- Miss Joan Deep Sea Fishing
- Miss Madison Charter Service llc
- Miss Marie Charters
- Miss Molly with Captain Molly
- Miss Nell Sportfishing
- Miss O Sport Fishing
- Miss Oregon Inlet II Headboat
- Miss Paige Charters
- Miss Palm Beach Sport Fishing
- Miss Pass A Grille Deep Sea Fishing
- Miss Polly Charters
- Miss Savannah Fishing Charters
- Miss Savannah Fishing Charters
- Miss Susie Charters Fleet
- Miss Tra Sea
- Missin' Link Outdoors
- Mississippi Crappie Charters – Grenada
- Mississippi Crappie Charters – Pope
- Mississippi Crappie Charters – Sardis
- Mississippi John's Guide Service
- Mississippi Sound Charters
- Mississippi Sound Guide Service
- Missphitty
- Mister Sportfishing
- Mister Sportfishing
- Misty Blue Charters
- Misty Dawn Charters
- Mitzi B Charters LLC
- Mixed Bag Sportfishing & Offshore Adventures
- Mixed Fishing Charters Punta Cana
- Mixed Metals Outdoors
- Mizu Fishing
- Mk Sport Fishing
- Mk Sport Fishing - Astoria
- Mk Sport Fishing - Drift Boat
- Mk Sport Fishing - Montesano
- Mo Grouper LLC
- Mobile Bay Charters - Gulf Shores
- Mobsquad Bowfishing
- Mobsquad Fishing
- Mock1 Guide Service
- Mod Squad Charters
- Mofishin Guide Service
- Mohamed's Fishing Charters
- Mojito Majic - Surfside Charters
- Mojo Charters
- Mojoe Xpeditions – Chokoloskee Fishing
- Mojoe Xpeditions – Flamingo Fishing Charters
- Mojoe Xpeditions – Goodland and 10K Islands
- Monarca Fishing Trip
- Monarch Marine
- Monasark Guide Service
- Moneyshot Outfitters
- Mongolian Adventure Outfitters
- Mongoose Striker Fishing Charters
- Monroe Lake Erie Walleyes
- Monster Quest FL
- Monsters Fishing - IT Monster Lake
- Monsters Fishing Guide - Catfishing
- Monsters Fishing Guide - Maldives
- Montauk Charterboat CUJO
- Montauk Fishing – Charterboat Oh Brother
- Montenegro Big Game Tuna Fish
- Montenegro Boat Charter
- Montenegro Boat Tours
- Monty's Ark Adventures
- Montze Fishing And Snorkel Charters
- Moon Faces Sport Fishing
- Moondance Charters Marathon
- Moondog Charters
- Moondog Fishing, LLC
- Moontide Charter Corp.