Shipyards
Deutsche Werke AG, Kiel
69 commissioned U-boats
| Type | Boats | Werk | Built during | |
| IIA | U-1 - U-6 | 6 boats | 236 - 241 | 1935 |
| IIB | U-13 - U-16 | 4 boats | 248 - 251 | 1935 - 1936 |
| IIC | U-56 - U-63 | 8 boats | 255 - 262 | 1937 - 1940 |
| IID | U-137 - U-152 | 16 boats | 266 - 281 | 1939 - 1941 |
| VIIC | U-451 - U-458 | 8 boats | 282 - 289 | 1939 - 1941 |
| VIIC | U-465 - U-473 | 9 boats | 296 - 304 | 1940 - 1943 |
| VIIC | U-475 - U-480 | 6 boats | 306 - 311 | 1941 - 1943 |
| VIIC | U-481 - U-486 | 6 boats | 316 - 321 | 1941 - 1944 |
| XIV | U-459 - U-464 | 6 boats | 290 - 295 | 1940 - 1942 |
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