| 1 | GIH | Union Des Transports Africains de Guinee | Callsign: Transport African, | GUI | AVCODES |
| 2 | GIH | Union des Transports Africains de Guinee | | | ICAO1 |
| 3 | GIHX | Cornerstone C&M Inc. d/b/a Gifford-Hill & Co. | added 10/1997; 7/2000-7/2005 | | NAKINA |
| 4 | GIHX | Beazer West, Inc. | 1/1994; eliminated 10/1997 | | NAKINA |
| 5 | GIHX | Gifford-Hill & Co., Inc. | added 7/1978; 1/1980 | | NAKINA |
| 6 | GIHX | GFH Financial Services Corp. | added 1/1974; 1/1975 | | NAKINA |
| 7 | GIHX | GFH Financial Services Corp. | added 1/74; 1/75 | | NRHS |
| 8 | GIHX | Gifford-Hill & Co., Inc. | added 7/78; 1/80 | | NRHS |
| 9 | GIHX | Beazer West, Inc. | 1/94; eliminated 10/97 | | NRHS |
| 10 | GIHX | Cornerstone C&M Inc. d/b/a Gifford-Hill & Co. | added 10/97; 7/2000 | | NRHS |
| 11 | GIHX | CORNERSTONE C&DM INC d/b/a GIFFORD-HILL & CO. (BEAZER WEST, INC.) | | | PWRC |
| 12 | GIHX | Gifford-Hill (Hanson) | | | RSRV |
| 13 | GIHX | GIFFORD HILL & COMPANY | | | SCAC4 |
