Tugboat Service Companies
| American Bureau of Shipping (Jeffersonville, IN)
Primarily Serving: Louisville, KY - Lexington, KY - Bloomington, IN - Owensboro, KY |
| American Institute of Marine (Saint Paul, MN)
Primarily Serving: Minneapolis, MN - Burnsville, MN - Eden Prairie, MN - Minnetonka, MN |
| American Tugs Inc (Harvey, LA)
Primarily Serving: New Orleans, LA - Metairie, LA - Kenner, LA - Gulfport, MS |
| Anderson Tug & Barge Co (Seward, AK) |
| Ann Bay Towing (Annapolis, MD)
Primarily Serving: Bowie, MD - Dundalk, MD - Baltimore, MD - Columbia, MD |
| Arrow Launch Svc (Port Angeles, WA)
Primarily Serving: Everett, WA - Seattle, WA - Bellingham, WA - Bellevue, WA |
| Artco Fleeting Svc (Cassville, WI)
Primarily Serving: Dubuque, IA - Cedar Rapids, IA - Waterloo, IA - La Crosse, WI |
| Associated Marine Surveyors (Yarmouth, ME)
Primarily Serving: Portland, ME - Haverhill, MA - Manchester, NH - Lawrence, MA |
| Associated Terminals Co (Port Allen, LA)
Primarily Serving: Baton Rouge, LA - Lafayette, LA - Kenner, LA - Metairie, LA |
| B & H Towing Co (Paducah, KY)
Primarily Serving: Clarksville, TN - Evansville, IN - Owensboro, KY - Jackson, TN |
| Baltimore Marine Recovery (Pasadena, MD)
Primarily Serving: Dundalk, MD - Baltimore, MD - Bowie, MD - Columbia, MD |
| Basin Fleeting (Berwick, LA)
Primarily Serving: Baton Rouge, LA - Kenner, LA - Lafayette, LA - Metairie, LA |
| Bata Marine Electrical (San Pedro, CA)
Primarily Serving: Torrance, CA - Long Beach, CA - Carson, CA - Redondo Beach, CA |
| Bayou Marine Svc Inc (Brownsville, TX)
Primarily Serving: Harlingen, TX - Pharr, TX - Edinburg, TX - Hidalgo, TX |
| Bayou Tugs Inc (Houma, LA)
Primarily Serving: Kenner, LA - Metairie, LA - New Orleans, LA - Baton Rouge, LA |
| Bayview Associates (Barnegat Light, NJ)
Primarily Serving: Toms River, NJ - Trenton, NJ - Levittown, PA - Vineland, NJ |
| Baywatch Ri Mrne Towing & Rsc (Warwick, RI)
Primarily Serving: Cranston, RI - Providence, RI - Pawtucket, RI - Fall River, MA |
| Beara Marine Svc Inc (Saint Petersburg, FL)
Primarily Serving: Largo, FL - Clearwater, FL - Tampa, FL - Palm Harbor, FL |
| Bell Lineboat & Launch Svc (Jacksonville, FL)
Primarily Serving: Gainesville, FL - Palm Coast, FL - Ocala, FL - Daytona Beach, FL |
| Benchmark Marine Agency Inc (Chicago, IL)
Primarily Serving: Cicero, IL - Oak Park, IL - Oak Lawn, IL - Skokie, IL |
| Birely Marine Sruveying (Stuart, FL)
Primarily Serving: Port Saint Lucie, FL - Jupiter, FL - West Palm Beach, FL - Royal Palm Beach, FL |
| Bisso Marine Co (New Orleans, LA)
Primarily Serving: Metairie, LA - Kenner, LA - Gulfport, MS - Baton Rouge, LA |
| Bisso Towboat Co Inc (New Orleans, LA)
Primarily Serving: Metairie, LA - Kenner, LA - Gulfport, MS - Baton Rouge, LA |
| Black Comb Projects Inc (Liverpool, TX)
Primarily Serving: League City, TX - Galveston, TX - Pasadena, TX - Missouri City, TX |
| Black River Towing (Chesapeake, VA)
Primarily Serving: Portsmouth, VA - Norfolk, VA - Virginia Beach, VA - Suffolk, VA |
