Tugboat Service Companies
| D & G Marine (Eastham, MA)
Primarily Serving: New Bedford, MA - Brockton, MA - Weymouth, MA - Taunton, MA |
| Dale King (Rogers, AR)
Primarily Serving: Springdale, AR - Fayetteville, AR - Joplin, MO - Fort Smith, AR |
| Dana Tugs (Fort Lauderdale, FL)
Primarily Serving: Plantation, FL - Pembroke Pines, FL - Hollywood, FL - Margate, FL |
| Dave's Marine Svc (East Haven, CT)
Primarily Serving: New Haven, CT - West Haven, CT - Hamden, CT - Milford, CT |
| David Ghidoni (Key West, FL)
Primarily Serving: Homestead, FL - Miami, FL - Hialeah, FL - Miami Beach, FL |
| David Gunter Yacht Surveyors (Jupiter, FL)
Primarily Serving: West Palm Beach, FL - Royal Palm Beach, FL - Wellington, FL - Boynton Beach, FL |
| David W Jones (Kitty Hawk, NC)
Primarily Serving: Virginia Beach, VA - Chesapeake, VA - Portsmouth, VA - Norfolk, VA |
| Davis & Co (Spring Lake, MI)
Primarily Serving: Wyoming, MI - Grand Rapids, MI - Kalamazoo, MI - Battle Creek, MI |
| Davis & Co Ltd (Spring Lake, MI)
Primarily Serving: Wyoming, MI - Grand Rapids, MI - Kalamazoo, MI - Battle Creek, MI |
| Davis Marine Surveyors Inc (MC Kees Rocks, PA)
Primarily Serving: Pittsburgh, PA - Youngstown, OH - Canton, OH - Akron, OH |
| Deep 6 Marine Surveyors (Miami, FL)
Primarily Serving: Miami Beach, FL - Hialeah, FL - North Miami Beach, FL - Hollywood, FL |
| Deep Six Marine Surveyors Inc (Miami, FL)
Primarily Serving: Miami Beach, FL - Hialeah, FL - North Miami Beach, FL - Hollywood, FL |
| Delaware Bay Launch Svc (Milford, DE)
Primarily Serving: Vineland, NJ - Newark, DE - Wilmington, DE - Dundalk, MD |
| Delaware Marine Svc Inc (Saint Francisvil, LA) |
| Desert Dog Marine Rpr & Mech (Kingman, AZ)
Primarily Serving: Lake Havasu City, AZ - Henderson, NV - Las Vegas, NV - North Las Vegas, NV |
| Det Norske Veritas (Bellevue, WA)
Primarily Serving: Redmond, WA - Seattle, WA - Renton, WA - Issaquah, WA |
| Diviersified Expertise (Vancouver, WA)
Primarily Serving: Portland, OR - Gresham, OR - Beaverton, OR - Clackamas, OR |
| Donjon Marine Co Inc (Hillside, NJ)
Primarily Serving: Union, NJ - Elizabeth, NJ - Irvington, NJ - Newark, NJ |
| Dutch Fork Marine Inc (Irmo, SC)
Primarily Serving: Columbia, SC - Rock Hill, SC - Augusta, GA - Gastonia, NC |
| E C Comings & Son Marine (Anacortes, WA)
Primarily Serving: Bellingham, WA - Everett, WA - Redmond, WA - Seattle, WA |
| E N Bisso & Son Inc (New Orleans, LA)
Primarily Serving: Metairie, LA - Kenner, LA - Gulfport, MS - Baton Rouge, LA |
| Eastcoast Engineering Inc (Palm Beach Garde, FL) |
| Eberle Marine Surveys (New Bern, NC)
Primarily Serving: Jacksonville, NC - Greenville, NC - Rocky Mount, NC - Wilmington, NC |
| Edward F Travers & Assoc (Seattle, WA)
Primarily Serving: Bellevue, WA - Renton, WA - Redmond, WA - Issaquah, WA |
| Eldridge Marine Surveying (Wilmington, NC)
Primarily Serving: Jacksonville, NC - Fayetteville, NC - Greenville, NC - Raleigh, NC |
