Halter Marine, Calumet LA
Most recent update: October 6, 2011.
Over the boom of the late 1970s, the "old" Halter added several small shipyards to the group that only built a few vessels. The records for some of these shipyards are sketchy. See the Calumet shipyard from the air on Google here
| Halter Hull # | Names | Owner | Type | GT | Delivery | Disposition |
| 738 | Southern Knight | Offshore Service Vessel | 180 | Mar-79 | Now C-Truc No. 3 | |
| 739 | Southern Maid | Offshore Service Vessel | 645 | May-79 | Now Gulf Venture | |
| 755 | Coastal Champion | Offshore Service Vessel | 182 | May-79 | Now Deep Sea Champion | |
| 760 | Harris M. Callais | Offshore Service Vessel | 578 | Dec-78 | Now Sea Swift | |
| 797 | Rosemary | Offshore Service Vessel | 565 | Aug-79 | Now Denamex I | |
| 840 | Prosperity | Fishing Vessel | 478 | Aug-79 | Active | |
| 844 | Mary Tide | Tidewater Marine | Offshore Service Vessel | 1116 | Aug-79 | Active |
| 845 | Darlene Tide | Tidewater Marine | Offshore Service Vessel | 116 | Oct-79 | Active |
| 848 | Cindy Briley | Offshore Service Vessel | 1025 | Dec-79 | Now Isabela II | |
| 849 | Lulu Tide | Tidewater Marine | Offshore Service Vessel | 288 | May-80 | Active |
| 852 | Barbara Pelham | US DoT | Offshore Service Vessel | 288 | Dec-79 | Active |
| 854 | Coastal Cat | Offshore Service Vessel | 999 | Sep-80 | Now Anna | |
| 855 | Marcia Rose | Offshore Service Vessel | 284 | Dec-80 | Now Isla Passavera | |
| 944 | Santee River | Offshore Service Vessel | 284 | Feb-81 | Now Candy Carrier | |
| 945 | Jamie G. | W. F. C. Inc. | Offshore Service Vessel | 560 | May-81 | Active |
| 995 | Cameron Express | Offshore Service Vessel | 284 | Jul-81 | Now Cape Charles | |
| 1040 | Breton Express | Offshore Service Vessel | 284 | Oct-81 | Now Gulf Mariner | |
| 1047 | Chandeleur Express | Offshore Service Vessel | 494 | 1981 | Now Ignacio Allende | |
| 1054 | Gulf Moon | Tidewater Marine | Offshore Service Vessel | 296 | 1982 | Active |
| 1055 | Southern Moon | Tidewater Marine | Offshore Service Vessel | 296 | 1982 | Active |