Zenith Dredge Company, Duluth MN
Zenith Dredge was formed early in the 20th century as a harbor construction company: it only built ships during WWII. Little else is known about this shipyard. If anyone can provide any more information, please e-mail it to me at timcolton@aol.com.
| Hull # | Name | Customer | Type | Type | Pennant # | Tons | Delivery | Disposition |
| Balsam | US Coast Guard | Tender | WAGL | 62 | 935 | 14-Oct-42 | Sold 1977 | |
| Woodbine | US Coast Guard | Tender | WAGL | 289 | 935 | 17-Nov-42 | Scrapped 2007 | |
| Gentian | US Coast Guard | Tender | WAGL | 290 | 935 | 3-Nov-42 | To Colombia 2007 as San Andres, active | |
| Laurel | US Coast Guard | Tender | WAGL | 291 | 935 | 24-Nov-42 | Decommissioned 1999, in storage at Curtis Bay | |
| Sorrel | US Coast Guard | Tender | WAGL | 296 | 935 | 15-Apr-43 | Sold 1996 | |
| Madrona | US Coast Guard | Tender | WAGL | 302 | 935 | 30-May-43 | To El Salvador 2002 as Manuel Jose Arce (BL-01), active | |
| Tupelo | US Coast Guard | Tender | WAGL | 303 | 935 | 30-Aug-43 | Sold 1977 as Courageous | |
| Bittersweet | US Coast Guard | Tender | WAGL | 389 | 935 | 11-May-44 | To Estonia 1997 as Valvas (PVL 109), active | |
| Bramble | US Coast Guard | Tender | WAGL | 392 | 935 | 22-Apr-44 | Retired 2003: to be museum in Port Huron MI | |
| Firebush | US Coast Guard | Tender | WAGL | 393 | 935 | 20-Jul-44 | To Nigeria 2003 as Nwanba (A-503), active | |
| Iris | US Coast Guard | Tender | WAGL | 395 | 935 | 11-Aug-44 | Decommissioned 1995, in storage at Suisun Bay | |
| Mallow | US Coast Guard | Tender | WAGL | 396 | 935 | 6-Jun-44 | Decommissioned 1997, in storage in Curtis Bay | |
| Mariposa | US Coast Guard | Tender | WAGL | 397 | 935 | 1-Jul-44 | To USN 2000 as training hulk | |
| Sagebrush | US Coast Guard | Tender | WAGL | 399 | 935 | 1-Apr-44 | Reefed 1998 | |
| Salvia | US Coast Guard | Tender | WAGL | 400 | 935 | 19-Feb-44 | Decommissioned 1991, sunk as target | |
| Acacia | US Coast Guard | Tender | WAGL | 406 | 935 | 1-Sep-44 | Decommissioned 2006, now a museum ship in Chicago | |
| Woodrush | US Coast Guard | Tender | WAGL | 407 | 935 | 22-Sep-44 | To Ghana 2001 | |
| Tunxis | US Navy | Net layer | AN | 90 | 775 | 28-Mar-45 | To Venezuela 1955 as Puerto Nutrias (H 02), discarded | |
| Waxsaw | US Navy | Net layer | AN | 91 | 775 | 6-May-45 | To Venezuela 1963 as Puerto Miranda (H 80), discarded | |
| Yazoo | US Navy | Net layer | AN | 92 | 775 | 31-May-45 | Scrapped 1975 |