| 2601 | GIB | GR Air | Callsign: Gravia, | GUI | AVCODES |
| 2602 | GIB | GR-Avia | | | ICAO1 |
| 2603 | GIBE | GIBBENS & LEFORT INC | | | SCAC4 |
| 2604 | GIBF | GIBBONS, RANDY | | | SCAC4 |
| 2605 | GIBJ | GIBBS, JOE RACING INC | | | SCAC4 |
| 2606 | GIBP | GIBSON, P R CONTRACT CARRIERS INC | | | SCAC4 |
| 2607 | GIC | Compagnie de Bauxites de Guinee | Callsign: Cebege, | GUI | AVCODES |
| 2608 | GIC | Compagnie de Bauxites de Guinee | | | ICAO1 |
| 2609 | GICI | GIBSON INTERNATIONAL CARRIERS INC | | | SCAC4 |
| 2610 | GICL | GORGONIA DI NAVIGAZIONE SRL | | | SCAC4 |
| 2611 | GICN | GARDEN ISLE COURIER INC | | | SCAC4 |
| 2612 | GICO | GOLD, I CORP | | | SCAC4 |
| 2613 | GICP | GUARDIAN INDUSTRIES CANADA CORP | | | SCAC4 |
| 2614 | GICQ | GARCIA, RAYMUNDO | | | SCAC4 |
| 2615 | GICU | EMPRESA DE GASES INDUSTRIALES | | C | BIC |
| 2616 | GICU | EMPRESA DE GASES INDUSTRIALES | | | SCAC4 |
| 2617 | GICX | Gateway Investment Co. | added 7/1966; 10/1966; eliminated 7/1967 | | NAKINA |
| 2618 | GICX | Gateway Investment Co. | added 7/66; 10/66; eliminated 7/67 | | NRHS |
| 2619 | GICX | GATEWAY INVESTMENT CO. | | | PWRC |
| 2620 | GICZ | GIBSON CO-OP | | | PWRC |
| 2621 | GID | Sud Air Transport, S.A. | Callsign: Sud Transport, | GUI | AVCODES |
| 2622 | GID | Grupo Integracion Comercializacion y Servicios, S.A. de C.V. | Callsign: Intecom, | MEX | AVCODES |
| 2623 | GIDA | GILDIA | | | SCAC4 |
| 2624 | GIDB | GILL, D BLAINE | | | SCAC4 |
| 2625 | GIDF | GET IT DONE FREIGHT BROKERS LLC | | | SCAC4 |
| 2626 | GIDP | GET-IT-DONE TRANSPORT | | | SCAC4 |
| 2627 | GIDR | G I DRAYAGE INC | | | SCAC4 |
| 2628 | GIDT | GID LOGISTICS | | | SCAC4 |
| 2629 | GIE | Guinee Inter Air | Callsign: Guinee Inter, | GUI | AVCODES |
| 2630 | GIE | Elysian Airlines | Designator E4 recalled by IATA | GUI | AVCODES |
| 2631 | GIEC | GERIC IMPORT/EXPORT SERVICES | | | SCAC4 |
| 2632 | GIEE | GIERE TRUCKING INC | | | SCAC4 |
| 2633 | GIEO | GLOBO INPORT EXPORT | | | SCAC4 |
| 2634 | GIEP | GIELOW LOGISTICS LLC | | | SCAC4 |
| 2635 | GIES | GIESELMAN INC | | | SCAC4 |
| 2636 | GIET | GIESBRECHT, A P TRUCKING INC | | | SCAC4 |
| 2637 | GIEV | GLOBAL INDUSTRIAL EQUIPMENT SERVICE | | | SCAC4 |
| 2638 | GIEW | GIESBRECHT, LAWRENCE TRANSPORT INC | | | SCAC4 |
| 2639 | GIEX | General American Marks Co. | added 1/2003 | | NAKINA |
| 2640 | GIEX | GATX Financial Corp. | added 1/2002; eliminated 1/2003 | | NAKINA |
| 2641 | GIEX | GATX Capital Corp. | added 1/1998; 7/2000; eliminated 1/2002; 7/2005 | | NAKINA |
| 2642 | GIEX | GATX Capital Corp. | added 1/98; 7/2000 | | NRHS |
| 2643 | GIEX | GENERAL AMERICAN MARKS COMPANY [GATX CAPITAL CORPORATION] | | | PWRC |
| 2644 | GIEX | General American Marks (GATX Corporation) | | | RSRV |
| 2645 | GIEX | GENERAL AMERICAN MARKS COMPANY | | | SCAC4 |
| 2646 | GIF | Guinee Airlines, S.A. | IATA: J9, Callsign: Guinee Airlines, | GUI | AVCODES |
| 2647 | GIF | Eagle Air Guinee, S.A. | Callsign: Eagleair Guinee, | GUI | AVCODES |
| 2648 | GIF | Guinee Airlines | IATA: J9 | | ICAO1 |
| 2649 | GIF | Gestor de Infraestructuras Ferroviarias | | E | TRAFFIC |
| 2650 | GIF | Gestor de Infraestructuras Ferroviarias | | ES | VKM |
| 2651 | GIFD | GEOPOLITIC INT FORWARDERS | | | SCAC4 |
| 2652 | GIFO | GIBCO FUEL LLC | | | SCAC4 |
| 2653 | GIG | Gacela Air Cargo, S.A. de C.V. | Callsign: Gacela Air, | MEX | AVCODES |
| 2654 | GIG | Sky Guinee Airlines | | GUI | AVCODES |
| 2655 | GIG | Gacela Air Cargo | | | ICAO1 |
| 2656 | GIGD | GREEN IS GOOD LLC | | | SCAC4 |
| 2657 | GIGG | GRIGGS OIL COMPANY INC | | | SCAC4 |
| 2658 | GIGM | GIGUERE & MARCHAND OIL SERVICE INC | | | SCAC4 |
| 2659 | GIGR | GIGUERE, SIMON INC | | | SCAC4 |
| 2660 | GIGU | GERMAN INDUSTRIAL GASES | | | SCAC4 |
| 2661 | GIH | Union Des Transports Africains de Guinee | Callsign: Transport African, | GUI | AVCODES |
| 2662 | GIH | Union des Transports Africains de Guinee | | | ICAO1 |
| 2663 | GIHX | Cornerstone C&M Inc. d/b/a Gifford-Hill & Co. | added 10/1997; 7/2000-7/2005 | | NAKINA |
| 2664 | GIHX | Beazer West, Inc. | 1/1994; eliminated 10/1997 | | NAKINA |
| 2665 | GIHX | Gifford-Hill & Co., Inc. | added 7/1978; 1/1980 | | NAKINA |
| 2666 | GIHX | GFH Financial Services Corp. | added 1/1974; 1/1975 | | NAKINA |
| 2667 | GIHX | GFH Financial Services Corp. | added 1/74; 1/75 | | NRHS |
| 2668 | GIHX | Gifford-Hill & Co., Inc. | added 7/78; 1/80 | | NRHS |
| 2669 | GIHX | Beazer West, Inc. | 1/94; eliminated 10/97 | | NRHS |
| 2670 | GIHX | Cornerstone C&M Inc. d/b/a Gifford-Hill & Co. | added 10/97; 7/2000 | | NRHS |
| 2671 | GIHX | CORNERSTONE C&DM INC d/b/a GIFFORD-HILL & CO. (BEAZER WEST, INC.) | | | PWRC |
| 2672 | GIHX | Gifford-Hill (Hanson) | | | RSRV |
| 2673 | GIHX | GIFFORD HILL & COMPANY | | | SCAC4 |
| 2674 | GIIL | GILL CARRIER LLC | | | SCAC4 |
| 2675 | GIJ | Guinee Airways | Callsign: Guinee Airways, | GUI | AVCODES |
| 2676 | GIJ | Guinea Airways | | | ICAO1 |
| 2677 | GIK | Guinea Air Transport | Callsign: Guinea Airtreansport, | GUI | AVCODES |
| 2678 | GIK | Konair S.A. | | GUI | AVCODES |
| 2679 | GIK | Seba Airlines | | | ICAO1 |
| 2680 | GIL | Gill Air | IATA: GX, Callsign: Gillair, IATA designator changed to 9S | GB | AVCODES |
| 2681 | GIL | Gill Aviation Ltd. | IATA: 9C, Callsign: Gillair, Ceased Operations on 20 September 2001. | GB | AVCODES |
| 2682 | GIL | Gill Aviation Ltd. | IATA: NG, Callsign: Gillair, | GB | AVCODES |
| 2683 | GIL | African International Transport SA | Callsign: African Transport, | GUI | AVCODES |
| 2684 | GIL | Georgian International Airlines Ltd. | IATA: 4L, Name changed from Euroline | GE | AVCODES |
| 2685 | GIL | African International Transport | | | ICAO1 |
| 2686 | GILB | GENOA INDY LIGHTS | | | SCAC4 |
| 2687 | GILE | GILES, DAVID B TRUCKING LTD | | | SCAC4 |
| 2688 | GILH | GREEN INTEGRATED LOGISTICS INC | | | SCAC4 |
| 2689 | GILI | GIULITTO TRANSPORT LLC | | | SCAC4 |
| 2690 | GILLIG | | | USA | TRAFFIC |
| 2691 | GILO | G I L LOGISTIC LLC | | | SCAC4 |
| 2692 | GILT | GILTNER MILK TRANSPORTATION LLC | | | SCAC4 |
| 2693 | GILU | GEEST INDUSTRIES LTD. | | | SCAC4 |
| 2694 | GILV | GALVAN INTERNATIONAL LOGISTICS SERV | | | SCAC4 |
| 2695 | GILW | GENPRO INC (LTL DIVISION) | | | SCAC4 |
| 2696 | GILX | Gilman Paper Co. | added 10/1992; 1/1994-7/2000; eliminated 7/2003; 7/2005 (not listed) | | NAKINA |
| 2697 | GILX | Gilmore Oil Co. | 7/1935-1/1941 | | NAKINA |
| 2698 | GILX | Gilmore Oil Co., Ltd. | 7/1930-7/1932 | | NAKINA |
| 2699 | GILX | Gilmore Oil Co. | Apr-38 | | NRHS |
| 2700 | GILX | Gilman Paper Co. | added 10/92; 1/94-7/2000 | | NRHS |
