Category:Defunct software companies of the United States
 | For convenience, all defunct software companies of the United States should be included in this category. This includes all software companies (except spin-offs of defunct companies which are still active and defunct video game companies who only made video games) that can also be found in the subcategories. |
| This is a diffusing subcategory of Category:Defunct computer companies of the United States. Articles about computer companies of the United States who only made software in the parent category should be moved to this subcategory. |
| This is a diffusing subcategory of Category:Software companies of the United States. Articles about software companies of the United States who are no longer operational (due to mergers, bankruptcy liquidations, dissolution, etc.) in the parent category should be moved to this subcategory. |
Subcategories
This category has the following 4 subcategories, out of 4 total.
Pages in category "Defunct software companies of the United States"
The following 111 pages are in this category, out of 111 total.