Operators of US-Flag Dry Bulk Carriers
(Extracted from "Waterborne Transport Lines of the United States, 2006", listed by size of fleet)
| Name | Address | City | State | Zip | Phone | # of Ships |
| American Steamship Co. | 500 Essjay Road | Williamsville | NY | 14221 | (716) 635-0222 | 18 |
| Interlake Steamship Company | 4199 Kinross Lakes Parkway | Richfield | OH | 44286 | (330) 659-1400 | 9 |
| Great Lakes Fleet, Inc. | 212 S 37th Ave W., Ste. 200 | Duluth | MN | 55807 | (218) 723-2422 | 7 |
| Liberty Maritime Corp. | 1979 Marcus Ave. Suite 200 | Lake Success | NY | 11042 | (516) 488-8800 | 6 |
| Marine Express Co. | 2900 Main St. | Alameda | CA | 95401 | (510) 523-8900 | 5 |
| Inland Lakes Management, Inc. | P. O. Box 646 | Alpena | MI | 49707 | (989) 354-2232 | 4 |
| Indiana Harbor Steamship Co. | 445 N. Broad St. | Griffith | IN | 46319 | (219) 922-2602 | 3 |
| Teco Ocean Shipping, Inc. | 1300 E. 8th Ave. Suite S - 300 | Tampa | FL | 33605 | (813) 209-4204 | 3 |
| Osborne Material Company | P. O. Box 248; Williams St. | Grand River | OH | 44045 | (216) 357-5562 | 2 |
| Grand River Navigation Company | P.O. Box 204 | Rogers City | MI | 49779 | (989) 734-8555 | 2 |
| Reserve/Buckeye Holdings, LLC | 501 4th Ave; P.O. Box 395 | Menominee | MI | 49858 | (906) 863-7011 | 2 |
| Matson Navigation Company | 555 12th Street 7th Floor | Oakland | CA | 94607 | (510) 628-4220 | 1 |
| Sealift, Inc. | 68 West Main St. | Oyster Bay | NY | 11771 | (516) 922-1101 | 1 |
| Erie Navigation Co. | P. O. Box 179 | Erie | PA | 16512 | (814) 453-6721 | 1 |
| Erie Sand & Gravel | P. O. Box 179 | Erie | PA | 16512 | (814) 453-6721 | 1 |
| Lake Service Shipping Company | 63 Kercheval, Suite 200 | Grosse Pointe Farms | MI | 48236 | (313) 885-7200 | 1 |
| Citicorp Nevada Credit, Inc. | 450 Mamaroneck Ave. 4th Floor | Harrison | NY | 10528 | (630) 257-5457 | 1 |
| Galloway Sand & Gravel Co., Inc. | P. O. Box 2846; 660 Stadium Dr. | Batesville | AR | 72503 | (870) 793-7256 | 1 |
| Harbor Cruises, Inc. | 1 Long Wharf | Boston | MA | 02110 | (617) 227-4320 | 1 |