Operators of US-Flag Offshore Service Vessels
(Listed alphabetically by operator)
| Operator ID | Operator Name | Street Address | City | State | Zip Code | Area Code | Phone | Corps District | Region | Service | Principal Commodities | Principal Areas Of Operation | Fleet |
| 3201925 | 2 M Ventures, Inc. | P. O. Box 249;11828 Hwy. 1 | Larose | LA | 70373 | 985 | 693-3888 | 32 | 4 | 9 | Diesel Fuel, Potable Water And General Oil Field Equipment | Atchafalaya River To Gulf Of Mexico | 1 |
| 3206496 | Abe'S Boat Rentals, Inc. | P. O. Box 549;9299 Hwy 23 | Belle Chasse | LA | 70037 | 504 | 398-3637 | 32 | 4 | 3 | Oil Field Supplies | Venice, La Boat Harbor; Main Pass; Breton Sound; Chandeleur Sound; Chandeleur Area And Vioska Knoll | 13 |
| 4107737 | Act I | 18414 S. Santa Fe Ave. | Rancho Dominguez | CA | 90221 | 41 | 5 | 9 | 1 | ||||
| 3202059 | Adams, Lee | P. O. Box 2475 | Marrero | LA | 70073 | 32 | 4 | 9 | Fuel, Water, Supplies And Groceries | Bayou Lafourche | 1 | ||
| 3200021 | All American Crewboats, Inc. | P. O. Box 845 | Buras | LA | 70041 | 985 | 657-9823 | 32 | 4 | 2 | Oil Field Drilling And Maintenance Equipment, Personnel, Water And Fuel | 100 Mile Limit Offshore, Major Rivers, Outlets And Passes - South Louisiana | 1 |
| 3201043 | Alliance Offshore, Llc | 11864 Hwy. 308;P. O. Box 1607 | Larose | LA | 70373 | 985 | 798-7066 | 32 | 4 | 3 | Passengers And Cargo | Gulf Coast, Louisiana And Texas | 9 |
| 1607053 | Allied Companies, Inc. | 5821 Rangeline Road Suite 203A | Theodore | AL | 36582 | 251 | 443-7575 | 16 | 4 | 9 | Passengers | Mississippi River, Gulf Of Mexico, Icw Of Texas, Mississippi And Alabama | 1 |
| 3802940 | Amak Towing Co., Inc. | P. O. Box 7655 | Ketchikan | AK | 99901 | 907 | 225-8847 | 38 | 5 | 2 | Barge And Log Towing, Vessel Assist And Passengers | Southeast Alaska - Dixon Entrance To Cape Spencer | 2 |
| 3207255 | American Crew Boats And Marine Transportation, Llc | 433 Johns Hopkins | Kenner | LA | 70065 | 504 | 464-1569 | 32 | 4 | 9 | Passengers And Light Supplies | Gulf Of Mexico And Intracoastal Waterway | 2 |
| 4104019 | American Marine Corporation | 1500 S. Barracuda St. | Terminal Island | CA | 90731 | 310 | 547-0919 | 41 | 5 | 2 | Construction Equipment, Cranes, Winches, Spools, Etc. | Los Angeles, Long Beach, San Francisco, San Diego; Coastal Ports Between Seattle & San Diego; And Hawaiian Ports On Most Islands | 1 |
| 2903784 | American River Transportation Co. | P. O. Box 2889;4528 S. Broadway | St. Louis | MO | 63111 | 314 | 481-8828 | 29 | 4 | 2 | Towing Grain | St. Louis Harbor; Umr Mile 164 To Umr Mile 204 | 1 |
| 4204019 | American Workboats | 65 N. Nimitz Hwy, Pier 14 | Honolulu | HI | 96817 | 310 | 547-0919 | 42 | 5 | 3 | 1 | ||
| 3902034 | Amnav Maritime Services | 20 Burma Road | Oakland | CA | 94807 | 510 | 834-8847 | 39 | 5 | 9 | 1 | ||
| 3200445 | Amt Marine, Inc. | P. O. Box 1444 | Larose | LA | 70373 | 985 | 693-5707 | 32 | 4 | 2 | Oil Field Related Supplies And Personnel | Gulf Of Mexico Within 100 Miles Of Land, Florida - Texas | 4 |
| 3701266 | Anchorage Launch Service | P. O. Box 25357 | Portland | OR | 97298 | 503 | 297-4588 | 37 | 5 | 2 | Passengers | Columbia River - Terminal 6 (Port Of Portland); Columbia River - Astoria - East End Mooring Basin; And Columbia River - Goble | 4 |
| 3202937 | Antill Pipeline Construction Co., Inc. | P. O. Box 3897 | Houma | LA | 70361 | 985 | 879-2626 | 32 | 4 | 3 | Supplies & Company'S Draglines | Mississippi River And Gulf Intracoastal Waterway Of Louisiana, Inland Canals & Waterways In Southern Louisiana | 1 |
| 3200264 | Apache Corporation | 2014 W. Pinhook Road Suite 800 | Lafayette | LA | 70508 | 337 | 232-1702 | 32 | 4 | 3 | Oil Workers & Supplies (Minor) | Plaquemines Parish Inland Water - Mississippi River & S. E. Pass | 1 |
| 3204330 | Aries Marine Corp. | P. O. Drawer 51789 | Lafayette | LA | 70505 | 337 | 856-9015 | 32 | 4 | 2 | Oil Field Drilling & Product Supplies | Gulf Of Mexico | 11 |
| 3205647 | Armstrong Crewboat |