Tugboat Service Companies
| Mc Crory & Assoc (Miami, FL)
Primarily Serving: Miami Beach, FL - Hialeah, FL - North Miami Beach, FL - Hollywood, FL |
| Mcginnis Inc (Ledbetter, KY)
Primarily Serving: Clarksville, TN - Evansville, IN - Owensboro, KY - Jackson, TN |
| Meinke Marine Emergency Svc (Curtice, OH)
Primarily Serving: Toledo, OH - Taylor, MI - Dearborn Heights, MI - Westland, MI |
| Midland Marine (Zionsville, IN)
Primarily Serving: Carmel, IN - Indianapolis, IN - Fishers, IN - Anderson, IN |
| Mike Beijar (Clearwater, FL)
Primarily Serving: Largo, FL - Palm Harbor, FL - Saint Petersburg, FL - Tampa, FL |
| Miley Marine Surveying (Longwood, FL)
Primarily Serving: Sanford, FL - Orlando, FL - Deltona, FL - Kissimmee, FL |
| Moana Pa'Akai Inc (Honolulu, HI) |
| Mobile Bay Towing (Mobile, AL)
Primarily Serving: Pensacola, FL - Gulf Breeze, FL - Gulfport, MS - Hattiesburg, MS |
| Mobile Marine Svc (Coeur D Alene, ID)
Primarily Serving: Spokane, WA - Pasco, WA - Missoula, MT - Kennewick, WA |
| Mo-Kan Marine Surveyors (Lees Summit, MO)
Primarily Serving: Blue Springs, MO - Independence, MO - Kansas City, MO - Overland Park, KS |
| Moran Towing Corp (Brunswick, GA)
Primarily Serving: Jacksonville, FL - Savannah, GA - Valdosta, GA - Gainesville, FL |
| Moran Towing of Miami Inc (Miami, FL)
Primarily Serving: Miami Beach, FL - Hialeah, FL - North Miami Beach, FL - Hollywood, FL |
| Morehead City Towboat Co (Morehead City, NC)
Primarily Serving: Jacksonville, NC - Greenville, NC - Wilmington, NC - Rocky Mount, NC |
| Ms Towing Co Inc (Fall River, MA)
Primarily Serving: New Bedford, MA - Warwick, RI - Taunton, MA - Providence, RI |
| Murphy's Marine Svc Inc (Port Jefferson, NY)
Primarily Serving: Brentwood, NY - Bridgeport, CT - Stratford, CT - Milford, CT |
| National Cargo Bureau Inc (Dolton, IL)
Primarily Serving: Hammond, IN - Oak Lawn, IL - Tinley Park, IL - Orland Park, IL |
| Nautilus Marine Fabrication (Ellsworth, ME)
Primarily Serving: Portland, ME - Haverhill, MA - Manchester, NH - Lawrence, MA |
| Noble Denton & Assoc Inc (Houston, TX)
Primarily Serving: Pasadena, TX - Missouri City, TX - Sugar Land, TX - League City, TX |
| Northeast Marine Surveyor (West Islip, NY)
Primarily Serving: Brentwood, NY - Levittown, NY - Hempstead, NY - Stamford, CT |
| Ocean Bottom's Marine (Houston, TX)
Primarily Serving: Pasadena, TX - Missouri City, TX - Sugar Land, TX - League City, TX |
| Ocean Flow Intl (Houston, TX)
Primarily Serving: Pasadena, TX - Missouri City, TX - Sugar Land, TX - League City, TX |
| Ocean Marine Surveyors Inc (Bow, WA)
Primarily Serving: Bellingham, WA - Everett, WA - Redmond, WA - Seattle, WA |
| Ocean Technical Svc (Manchester, MA)
Primarily Serving: Peabody, MA - Lynn, MA - Revere, MA - Malden, MA |
| Offshore Towing Inc (Golden Meadow, LA)
Primarily Serving: New Orleans, LA - Metairie, LA - Kenner, LA - Baton Rouge, LA |
| Offshore Towing Inc (Lockport, LA)
Primarily Serving: Kenner, LA - New Orleans, LA - Metairie, LA - Baton Rouge, LA |
