| 1 | GWCX | Greenway Center, LLC | 7/2005 (not listed) | | NAKINA |
| 2 | GWCX | Great Western Chemical Co. | added 4/1962; 7/1965-4/1970; eliminated 7/1971 | | NAKINA |
| 3 | GWCX | Garrett & Co., Inc. | 7/1930 | | NAKINA |
| 4 | GWCX | Garrett Wine Co. | 8/1920-7/1923 | | NAKINA |
| 5 | GWCX | Great Western Chemical Co. | added 4/62; 7/65-4/70 | | NRHS |
| 6 | GWCX | *GARRETT & CO., INC. [GARRETT WINE CO.] | | | PWRC |
| 7 | GWCX | *GREAT WESTERN CHEMICAL CO. | | | PWRC |
| 8 | GWCX | +GREENWAY CENTER, LLC | | | PWRC |
| 9 | GWCX | Greenway Centre | | | RSRV |
| 10 | GWCX | GREENWAY CENTER LLC | | | SCAC4 |
