National Shipbuilding
Orange TX
I can find not information about this yard, although one source suggests that it was owned by Henry Piaggio, of International Shipbuilding.
| USSB # | O/N | Name | Customer | Type | GT | Delivered | Notes | |
| 1 | War Mystery | U.K. Admiralty | freighter | 3,500 | Feb 1918 | later Taffari 1919, burned 1919 | ||
| 2 | War Marvel | U.K. Admiralty | freighter | 3,500 | Jan 1918 | foundered 1919 | ||
| 3 | 234 | 216964 | Bonham | USSB | freighter | 3,349 | Oct 1918 | foundered 1920 |
| 4 | 235 | 217311 | Boreta | USSB | freighter | 3,361 | Dec 1918 | burned 1920 |
| 5 | 236 | 217559 | Zavalla | USSB | freighter | 3,351 | Feb 1919 | scrapped 1923 |
| 6 | 237 | 217552 | Cowardin | USSB | freighter | 3,351 | Apr 1919 | scrapped 1923 |
| 7 | 238 | 217646 | Neabsco | USSB | freighter | 3,343 | Apr 1919 | scrapped 1922 |
| 8 | 239 | 217443 | Beechland | USSB | freighter | 3,355 | Apr 1919 | burned 1919 |
| 9 | 240 | 217665 | Nawitka | USSB | freighter | 3,349 | May 1919 | later Admiral Brommy 1938, bombed and lost 1943 |
| 10 | 241 | 217677 | Itompa | USSB | freighter | 3,349 | June 1919 | scrapped 1923 |
| 11 | 242 | 218034 | Alderman | USSB | freighter | 3,343 | July 1919 | scrapped 1925 |
| 12 | 243 | 217955 | Natenna | USSB | freighter | 3,343 | July 1919 | wrecked 1920 |
| 13 | 244 | 217609 | Horado | USSB | freighter | 3,353 | Sep 1919 | scrapped 1924 |
| 14 | 245 | 218263 | Argenta | USSB | freighter | 3,343 | Aug 1919 | to Britain 1922 as prison ship HMS Argenta, scrapped 1925 |
| 219455 | W. A. Ebsen | tanker | 3,326 | 1919 | ||||
| 15 | 219932 | J. F. Penrose | tanker | 3,379 | 1920 | hulked 1928 | ||
| 16 | 220969 | P. J. Reilly | tanker | 3,376 | 1920 | scrapped 1930 | ||
| 17 | 220746 | A. A. Daugherty | tanker | 3,518 | 1920 | scrapped 1930 |