| Company | THE FEDERAL COPPER COMPANY |
| Business Number | 9587 |
| Company | DRAGOON MINING COMPANY |
| Business Number | 9590 |
| Company | UNITED SECURITIES COMPANY |
| Business Number | 8712 |
| Company | INVESTORS BOND & SECURITY COMPANY |
| Business Number | 8527 |
| Company | STANDARD QUARRYING AND CONSTRUCTION COMPANY |
| Business Number | 8303 |
| Company | ROCK PLASTER COMPANY OF NEW YORK AND NEW JERSEY |
| Business Number | 6213 |
| Company | ROCK PLASTER COMPANY OF NEW YORK |
| Business Number | 3107 |
| Company | INTERNATIONAL ROCK PLASTER COMPANY |
| Business Number | 1590 |