| 100% | SAG | 3 | Union that merged with AFTRA |
| 91% | SAG | 3 | Entertainment labor union that merged with AFTRA in 2012 |
| 90% | SAG | 3 | Hollywood performers' union that merged with AFTRA in 2012: Abbr. |
| 75% | SAG | 3 | Org. that merged with AFTRA |
| 73% | AFTRA | 5 | Union that merged with SAG in 2012 |
| 72% | CIO | 3 | Union that merged with the AFL in 1955 |
| 72% | AFL | 3 | Union that merged with the CIO in 1955 |
| 72% | AFL | 3 | Union that merged with the CIO in 1955 (Abbr.) |
| 70% | AFTRA | 5 | Entertainment union that merged with SAG in 2012 (Abbr.) |
| 63% | SAG | 3 | Former labor union which merged with AFTRA: Abbr. |
| 54% | MINOLTA | 7 | Company that merged with Konica |
| 54% | UAL | 3 | Co. that merged with Continental |
| 54% | AMOCO | 5 | Brand that merged with BP |
| 53% | AMOCO | 5 | Company that merged with BP, 1998 |
| 53% | AOL | 3 | Co. that merged with Time Warner |
| 53% | AMOCO | 5 | Oil company that merged with BP |
| 53% | AMOCO | 5 | Gas brand that merged with BP |
| 53% | EXXON | 5 | Gas company that merged with Mobil |
| 53% | DOW | 3 | Chemical company that merged with DuPont |
| 53% | UAL | 3 | Flier that merged with Continental (Abbr.) |
| 53% | FIAT | 4 | Italian carmaker that merged with Chrysler |
| 53% | MINOLTA | 7 | Camera maker that merged with Konica |
| 53% | COSTCO | 6 | Wholesaler that merged with Price Club |
| 53% | MOBIL | 5 | Oil company that merged with Exxon |
| 53% | VIACOM | 6 | Media giant that merged with CBS |
| 53% | EXXON | 5 | Oil company that merged with Mobil |
| 53% | AFOFL | 5 | Org. that merged with the CIO |
| 52% | AMOCO | 5 | Company that merged with BP in 1998 |
| 52% | TCI | 3 | Cable co. that merged with AT&T |
| 52% | ERICSSON | 8 | Company that merged with Sony in 2001 |