Zenith Dredge
Duluth MN
Zenith Dredge Company was formed in 1905 as a harbor construction company: it only built ships during WWII. It was located at the foot of 13th Avenue West, where Georgia Pacific is now, and had two ways, launching northeasterly into Slip #7, which was filled in the 1950s.
| O/N | Name | Customer | Type | Tons | Delivered | Notes | |
| 1 | 598508 | Balsam (WAGL-62) | USCG | tender | 935 | 14 Oct 1942 | sold 1977 as f/v Baranof |
| 3 | 647243 | Woodbine (WAGL-289) | USCG | tender | 935 | 17 Nov 1942 | scrapped 2007 |
| 2 | Gentian (WAGL-290) | USCG | tender | 935 | 3 Nov 1942 | to Colombia 2007 as San Andres | |
| 4 | 1121576 | Laurel (WAGL-291) | USCG | tender | 935 | 24 Nov 1942 | sold 2010 as r/v Coral Vision (Trinidad) |
| 5 | 1097357 | Sorrel (WAGL-296) | USCG | tender | 935 | 15 Apr 1943 | sold 1996 as Fearless |
| 6 | Madrona (WAGL-302) | USCG | tender | 935 | 30 May 1943 | to El Salvador 2002 as Manuel Jose Arce (BL-01) | |
| 7 | 606117 | Tupelo (WAGL-303) | USCG | tender | 935 | 30 Aug 1943 | sold 1977 as f/v Courageous |
| 8 | YW-85 | US Navy | water tanker | 440 | 1944 | scrapped 1975 | |
| 9 | YW-86 | US Navy | water tanker | 440 | 1944 | sunk as target 2001 | |
| 10 | YW-87 | US Navy | water tanker | 440 | 1944 | ||
| 11 | YW-88 | US Navy | water tanker | 440 | 1944 | ||
| 12 | YW-89 | US Navy | water tanker | 440 | 1944 | sunk as target 1976 | |
| 14 | YW-90 | US Navy | water tanker | 440 | 1944 | scrapped 1975 | |
| 15 | No. 15 | Zenith Dredge | barge | 200g | 1942 | NLD 1972 | |
| 16 | Salvia (WAGL-400) | USCG | tender | 935 | 19 Feb 1944 | decommissioned 1991, sunk as target | |
| 17 | Sagebrush (WAGL-399) | USCG | tender | 935 | 1 Apr 1944 | decommissioned 1998, reefed 1998 | |
| 18 | Bittersweet (WAGL-389) | USCG | tender | 935 | 11 May 1944 | to Estonia 1997 as Valvas (PVL 109) | |
| 19 | 1143702 | Bramble (WAGL-392) | USCG | tender | 935 | 22 Apr 1944 | decommissioned 2003:later a museum in Port Huron MI |
| 20 | Mallow (WAGL-396) | USCG | tender | 935 | 6 Jun 1944 | decommissioned 1997, in storage in Curtis Bay | |
| 21 | Mariposa (WAGL-397) | USCG | tender | 935 | 1 Jul 1944 | to USN 2000 as training hulk, scrapped 2008 | |
| 22 | Firebush (WAGL-393) | USCG | tender | 935 | 20 Jul 1944 | to Nigeria 2003 as Nwanba (A-503) | |
| 23 | Iris (WAGL-395) | USCG | tender | 935 | 11 Aug 1944 | scrapped 2019 | |
| 24 | 1190686 | Acacia (WAGL-406) | USCG | tender | 935 | 1 Sep 1944 | decommissioned 2006, a museum in Manistee MI |
| 25 | Woodrush (WAGL-407) | USCG | tender | 935 | 22 Sep 1944 | to Ghana 2001 | |
| 26 | YW-107 | US Navy | water tanker | 440 | 1945 | scrapped 1974 | |
| 27 | 930503 | YW-108 | US Navy | water tanker | 440 | 1945 | sold 2006 as f/v YW-108 (Mexico) |
| 28 | Tunxis (YN-119) | US Navy | net layer | 775 | 28 Mar 1945 | AN-90, to Venezuela 1955 as Puerto Nutrias (H-02), discarded | |
| 29 | Waxsaw (YN-120) | US Navy | net layer | 775 | 6 May 1945 | AN-91, to Venezuela 1963 as Puerto Miranda (H-80), discarded | |
| 30 | Yazoo (YN-121) | US Navy | net layer | 775 | 31 May 1945 | AN-92, scrapped 1975 | |
| 32 | No. 16 | Zenith Dredge | barge | 383g | 1947 | ||
| 33 | G.L. 166 | GLD&D | barge | 200g | 1948 |