Tugboat Service Companies
| Captain Franke Marine Surveyor (Del Mar, CA)
Primarily Serving: Encinitas, CA - Carlsbad, CA - San Marcos, CA - Escondido, CA |
| Captain Gw Full & Assoc Inc (Orleans, MA)
Primarily Serving: New Bedford, MA - Brockton, MA - Weymouth, MA - Taunton, MA |
| Captain Ml Mc Gee & Assoc (Wilmington, CA)
Primarily Serving: Carson, CA - Long Beach, CA - Torrance, CA - Compton, CA |
| Challenge Marine Co (Dallas, TX)
Primarily Serving: Irving, TX - Mesquite, TX - Richardson, TX - Garland, TX |
| Chauvin & Assoc Inc (Morgan City, LA)
Primarily Serving: Baton Rouge, LA - Lafayette, LA - Kenner, LA - Metairie, LA |
| Cheryl K Inc (Houston, TX)
Primarily Serving: Pasadena, TX - Missouri City, TX - Sugar Land, TX - League City, TX |
| Christian & Co Marine (San Diego, CA)
Primarily Serving: National City, CA - La Mesa, CA - Chula Vista, CA - Santee, CA |
| Christopher Mills Marine Srvyr (Panama City, FL)
Primarily Serving: Miramar Beach, FL - Dothan, AL - Tallahassee, FL - Gulf Breeze, FL |
| Clarke Marine Surveyor (Stuart, FL)
Primarily Serving: Port Saint Lucie, FL - Jupiter, FL - West Palm Beach, FL - Royal Palm Beach, FL |
| C'Mar America Inc (Houston, TX)
Primarily Serving: Pasadena, TX - Missouri City, TX - Sugar Land, TX - League City, TX |
| Coast Marine Svc (Albany, NY)
Primarily Serving: Schenectady, NY - Chicopee, MA - Springfield, MA - Bristol, CT |
| Coastal Marine Specialists Inc (Milton, DE)
Primarily Serving: Vineland, NJ - Newark, DE - Wilmington, DE - Dundalk, MD |
| Coastal Towing & Salvage Inc (Fort Lauderdale, FL)
Primarily Serving: Plantation, FL - Pembroke Pines, FL - Hollywood, FL - Margate, FL |
| Coggeshall Marine (North Myrtle Bea, SC) |
| Collier County Vessel Assist (Naples, FL)
Primarily Serving: Fort Myers, FL - Cape Coral, FL - North Fort Myers, FL - Port Charlotte, FL |
| Columbia River Bar Pilots (Astoria, OR)
Primarily Serving: Hillsboro, OR - Vancouver, WA - Beaverton, OR - Portland, OR |
| Columbia Sport Fishing (Orleans, MA)
Primarily Serving: New Bedford, MA - Brockton, MA - Weymouth, MA - Taunton, MA |
| Columbine Builders-Breckenridg (Breckenridge, CO)
Primarily Serving: Jefferson, CO - Arvada, CO - Boulder, CO - Denver, CO |
| Commonwealth Pro Dive (Deltaville, VA)
Primarily Serving: Newport News, VA - Hampton, VA - Norfolk, VA - Portsmouth, VA |
| Constellation Tug Corp (Boston, MA)
Primarily Serving: Cambridge, MA - Somerville, MA - Brookline, MA - Medford, MA |
| Cooper Marine & Timberlands (Mobile, AL)
Primarily Serving: Pensacola, FL - Gulf Breeze, FL - Gulfport, MS - Hattiesburg, MS |
| Coulee Region Towing Ltd (Garnavillo, IA)
Primarily Serving: Dubuque, IA - Waterloo, IA - La Crosse, WI - Cedar Rapids, IA |
| Crescent Towing (New Orleans, LA)
Primarily Serving: Metairie, LA - Kenner, LA - Gulfport, MS - Baton Rouge, LA |
| Crescent Towing of Mobile (Mobile, AL)
Primarily Serving: Pensacola, FL - Gulf Breeze, FL - Gulfport, MS - Hattiesburg, MS |
| Cvitanovic Boat Svc Inc (Belle Chasse, LA)
Primarily Serving: New Orleans, LA - Metairie, LA - Kenner, LA - Gulfport, MS |
