All 3 companies
A–Z by legal name| Company | Registry number | Registered | Status | City |
|---|---|---|---|---|
| DAYTON SUPERIOR CORPORATION | 0000042418 | 2003-12-23 | Merged | DAYTON |
| NANOTEK INSTRUMENTS, INC. | 0000076030 | 2003-09-09 | Dissolved | DAYTON |
| WHO'S CALLING, INC. | 0000075168 | 2003-06-10 | Dissolved | DAYTON |