| No. | Name | Length | Beam | Displacement | Comissioned | Builder | Notes |
| Spanish American War |
|---|
| Saturn | 297'1" | 40'5" | 4,840 t. | 11 Apr 1898 | Harlan | Reclassified AG-4 |
| Merrimac | | | 3,362 t. | 12 Apr 1898 | New Castle [UK] | |
| Justin | 287'6" | 39" | 1,419 t. | 27 Apr 1898 | Dixon [UK] | |
| Southery | 288' | 38'10" | 3,100 t. | 02 May 1898 | Thompson [UK] | Reclassified IX-26 |
| AC-16 | Caesar | 322'1" | 43'11" | 5,920 t. | 13 May 1898 | Ropner [UK] | |
| AC-13 | Abarenda | 325'6 | 42' | 6,680 t. | 20 May 1898 | Edwards [UK] | Reclassified AG-14 |
| Leonidas | 264'3" | 39'3" | 4,264 t. | 21 May 1898 | Austin [UK] | Reclassified Surveying Ship |
| AC-14 | Ajax | 387'6" | 46'6" | 9,250 t. | 21 May 1898 | Henderson [UK] | ex Scindia Reclassified AG-15 |
| AC-15 | Brutus | 332'6" | 41'6" | 6,550 t. | 27 May 1898 | Readhead [UK] | |
| Hannibal | 274'1" | 39'2" | 4,000 t. | 07 Jun 1898 | Blumer [UK] | Reclassified AG-1 |
| Vulcan-class |
|---|
| AC-5 | Vulcan | 403' | 63' | 11,250 t. | 02 Oct 1909 | Sparrows Point | |
| AC-6 | Mars | 403' | 63' | 11,250 t. | 26 Aug 1909 | Sparrows Point | |
| AC-7 | Hector | 403' | 63' | 11,230 t. | 22 Oc 1909 | Sparrows Point | |
| Vestal-class |
|---|
| AC-1 | Vestal | 465'9" | 60'1" | 12,585 t. | 04 Oct 1909 | New York NSY | Redesignated AR-4 |
| AC-2 | Ontario | 466'4" | 60'2" | 8,940 t. | 15 Jan 1910 | Mare Island NSY | Reclassified Prometheus AR-3 |
| Cyclops-class |
|---|
| AC-4 | Cyclops | 522' | 63' | 19,360 t. | 07 Nov 1910 | Cramp | |
| AC-9 | Proteus | 522' | 63' | 19,000 t. | 9 Jul 1913 | Newport News | |
| AC-10 | Nereus | 522' | 62' | 19,081 t. | 10 Sep 1913 | Newport News | |
| Orion-class |
|---|
| AC-11 | Orion | 536' | 65' | 19,132 t. | 29 Jul 1912 | Sparrows Point | |
| AC-12 | Jason | 536' | 65' | 19,250 t. | 26 June 1913 | Sparrows Point | Reclassified AV-2 |
| Jupiter-class |
|---|
| AC-3 | Jupiter | 542' | 65' | 19,360 t. | 07 Apr 1913 | Mare Island NSY | Reclassified Langley CV-1 later as AV-3 |
| AC-8 | Neptune | 542' | 65' | 19,375 t. | 7 Dec 1914 | Sparrows Point | |
| World War I |
|---|
| Quincy | 367' | 51'; | 6,500 t. | 2 Feb 1918 | Doxford [UK] | Reclassified AK-10 |
