| Company | ENSLOW PUBLISHING LLC |
| Business Number | 4642782 |
| Company | SMALL SCREEN PRESS, INC. |
| Business Number | 3751083 |
| Company | LIVING ROOM LEARNING, LLC |
| Business Number | 2793106 |
| Company | LIBRARIANS' BOOK EXPRESS, LLC |
| Business Number | 2542990 |
| Company | ROSEN BOOK WORKS, LLC |
| Business Number | 2517053 |