| 701 | ID | Pacific Coast Airlines | ICAO: PQA, Callsign: Sage Brush, | USA | AVCODES |
| 702 | ID | Airmax Airlines, Inc. | Designator ID recalled by IATA | USA | AVCODES |
| 703 | ID | International Aircraft Deliveries, Inc. | Callsign: Aircraft, | GB | AVCODES |
| 704 | ID | Atlantic Deutsche Luftverkehrs AG | ICAO: ADH, Callsign: German Atlantic, | D | AVCODES |
| 705 | ID | PT. Batik Air Indonesia d/b/a Batik Air | ICAO: BTK, Callsign: Batik, Founded in 2013 Commenced operations on 03 May 2013. | RI | AVCODES |
| 706 | IDA | PT. Indonesia Air Transport. Tbk | IATA: I7, Callsign: Intra, Designator I7 recalled by IATA. | RI | AVCODES |
| 707 | IDA | PT. Indonesia Air Transport. Tbk | Callsign: Intra, Designator I7 recalled by IATA. | RI | AVCODES |
| 708 | IDA | Indonesia Air Transport | | | ICAO1 |
| 709 | IDAC | Idaho Central Railroad (Boise Pacific Railroad) | | | RSRV |
| 710 | IDAD | INTERSTATE DELIVERY SYSTEMS | | | SCAC4 |
| 711 | IDAL | IDEAL CARTAGE, INC | | | SCAC1 |
| 712 | IDAX | Industria del Alcali, S.A. | added 4/1974; 1/1975-1/1980; eliminated 1/1984; 1/1994 (not listed) | | NAKINA |
| 713 | IDAX | Industria del Alcali, S.A. | added 4/74; 1/75-1/94 | | NRHS |
| 714 | IDAX | INDUSTRIA DEL ALCCALI SA | | | PWRC |
| 715 | IDAX | Industria del Alcali | | | RSRV |
| 716 | IDBI | INTRASTATE DISTRIBUTORS INC | | | SCAC4 |
| 717 | IDBU | INDEPENDENT CARRIBEAN LINES LTD | | | SCAC4 |
| 718 | IDBUS | iDBUS | an SNCF company | F | TRAFFIC |
| 719 | IDC | Island Development Company Ltd | Callsign: Island Dev, | SY | AVCODES |
| 720 | IDCC | IDEAL CEMENT CO. | | | PWRC |
| 721 | IDCD | INTERSTATE DISTRIBUTOR CO (DEDICATE | | | SCAC4 |
| 722 | IDCF | IFP DISTRIBUTION CENTER INC | | | SCAC4 |
| 723 | IDCI | INDEPENDENT CARRIERS INC | | | SCAC4 |
| 724 | IDCL | INTERSTATE DISTRIBUTOR CO (LOGISTIC | | | SCAC4 |
| 725 | IDCM | IBANEZ DAVILA, CARLOS | | | SCAC4 |
| 726 | IDCN | INTRADE CONSULTANTS INC | | | SCAC4 |
| 727 | IDCP | I D C TRANSPORT | | | SCAC4 |
| 728 | IDCS | INDUSTRIAL CONTAINER SERVICES - WA | | | SCAC4 |
| 729 | IDCT | INTERSTATE DISTRIBUTOR CO (EXPEDITE | | | SCAC4 |
| 730 | IDCU | PT INDOCEMENT TUNGGAL PRAKARSA TBK | | RI | BIC |
| 731 | IDCU | IDEAL CONTAINER | | | PWRC |
| 732 | IDCU | Ideal Container | | | RSRV |
| 733 | IDCU | PT INDOCEMENT TUNGGAL PRAKARSA TBK | | | SCAC4 |
| 734 | IDCY | ILIAMNA DEVELOPMENT CORPORATION | | | SCAC4 |
| 735 | IDCZ | INDUSTRIAL DEVELOPMENT CO-OP CLINTON COUNTY | | | PWRC |
| 736 | IDCZ | INTERSTATE DISTRIBUTOR CO | | | SCAC4 |
| 737 | IDD | Albertsons, LLC | Callsign: Ida, | USA | AVCODES |
| 738 | IDDG | INDUSTRIAL DRAYAGE, INC | | | SCAC1 |
| 739 | IDDG | INDUSTRIAL DRAYAGE INC | | | SCAC4 |
| 740 | IDDY | ISAAC DECOR DRAPERY | | | SCAC4 |
| 741 | IDE | Independence Air | IATA: DH, Callsign: Independence Air, IATA Prefix: 480, Ceased operations on 05 January 2006. Formerly Atlantic Coast Airlines | USA | AVCODES |
| 742 | IDE | Independence Air | IATA: DH | | ICAO1 |
| 743 | IDEB | ID EXPRESS LLC | | | SCAC4 |
| 744 | IDED | IXTLERA DE SANTA CATARINA S A DE C | | | SCAC4 |
| 745 | IDEL | IDEAL TRUCK LINES, INC | | | SCAC1 |
| 746 | IDEQ | I & D EXPRESS LINES INC | | | SCAC4 |
| 747 | IDER | IDEAL ROOFING CO LTD | | | SCAC4 |
| 748 | IDES | IDES CANADA INC | | | SCAC4 |
| 749 | IDET | IDEAL LOGISTICS GROUP | | | SCAC4 |
| 750 | IDEX | Wilson Car Lines, Division of Wilson & Co., Inc. | added 4/1973; eliminated 7/1973; 1/1975-1/1980 | | NAKINA |
| 751 | IDEX | Wilson-Sinclair Co. | added 7/1972; eliminated 4/1973 | | NAKINA |
| 752 | IDEX | ID Packing Company, Inc. | added 4/1970; 4/1970; eliminated 4/1972 | | NAKINA |
| 753 | IDEX | ID Packing Company, Inc. | added 4/70; 4/70; eliminated 4/72 | | NRHS |
| 754 | IDEX | Wilson-Sinclair Co. | eliminated 4/73 | | NRHS |
| 755 | IDEX | Wilson Car Lines, Division of Wilson & Co., Inc. | added 4/73; eliminated 7/73; 1/75-1/80 | | NRHS |
| 756 | IDEX | WILSON CAR LINES {WILSON-SINCLAIR CO.; ID PACKING CO.] | | | PWRC |
| 757 | IDEZ | INDEPENDENT EXPLOSIVE | | | PWRC |
| 758 | IDF | Iron Dragon-Fly Ltd. | Callsign: Iron Dragon, | RUS | AVCODES |
| 759 | IDF | Israel Defense Forces | | IL | TRAFFIC |
| 760 | IDFD | IDEAL SOFA LTD | | | SCAC4 |
| 761 | IDFL | INDIGO FUEL LTD | | | SCAC4 |
| 762 | IDG | I.D.G. Technology Air | Callsign: Indigo, | CZ | AVCODES |
| 763 | IDG | IDG Technology Air | | | ICAO1 |
| 764 | IDGA | IG Bw Dresden-Altstadt e.V. | | DE | VKM |
| 765 | IDGC | INDUSTRIAL AND AGRICULTURAL CHEMICA | | | SCAC4 |
| 766 | IDGU | DINGES LOGISTICS | | D | BIC |
| 767 | IDHI | INDUSTRIAL HARDFACING INC | | | SCAC4 |
| 768 | IDIA | INTERSTATE DEDICATED INC | | | SCAC4 |
| 769 | IDIC | INDEPENDENT DRIVERS INC | | | SCAC4 |
| 770 | IDIG | I D I LOGISTICS INC | | | SCAC4 |
| 771 | IDIQ | IMAGE DIAGNOSTICS INC | | | SCAC4 |
| 772 | IDIT | INDUSTRIAL TRANSPORT CORPORATION | | | SCAC1 |
| 773 | IDIV | Industrial Division | | PL | TRAFFIC |
| 774 | IDIZ | INDEPENDENT DISPATCH INC | | | SCAC4 |
| 775 | IDJ | Iva Dom d.o.o. | Callsign: Iva Dom, | HR | AVCODES |
| 776 | IDKC | IYANKA DAKOTA COACHES INC | | | SCAC4 |
| 777 | IDKN | IDAHO TRUCK LINES INC | | | SCAC4 |
| 778 | IDKT | INLAND LAKES TRANSPORTATION | | | SCAC4 |
| 779 | IDL | Ildefonso rodriguez, S.A. de C.V. | Callsign: Ildefonso, | MEX | AVCODES |
| 780 | IDL | Ildefonso Redriguez | | | ICAO1 |
| 781 | IDLC | INLAND LOGISTICS GROUP INC | | | SCAC4 |
| 782 | IDLE | IDLEWINE TRUCKING | | | SCAC4 |
| 783 | IDLH | INDIANA DISPATCH LLC | | | SCAC4 |
| 784 | IDLL | INDALLOY (DIVISION OF INDALEX LIMIT | | | SCAC4 |
| 785 | IDLP | INDUSTRIAL PATTERNS INC | | | SCAC4 |
| 786 | IDLQ | IDEAL WAY MOVERS INCORPORATED | | | SCAC4 |
| 787 | IDLU | INDOSOL CHEMIE | | IND | BIC |
| 788 | IDLW | IDLEWILD | | | SCAC4 |
| 789 | IDLY | IDEAL DELIVERY LTD | | | SCAC4 |
| 790 | IDMC | (IMTB) INDUSTRIAL MARITIME CARRIERS | | | SCAC1 |
| 791 | IDMC | INDUSTRIAL MARITIME CARRIERS LLC | | | SCAC4 |
| 792 | IDME | IDLE TIME RV | | | SCAC4 |
| 793 | IDMK | INDUSTRIAL MARKETING | | | SCAC4 |
| 794 | IDMO | INDUSTRIAL METAL FABRICATORS (CHATH | | | SCAC4 |
| 795 | IDMR | IDM TRUCKING CO | | | SCAC4 |
| 796 | IDMT | I D M TRUCKING INC | | | SCAC4 |
| 797 | IDMV | IDEAL MOVERS & STORAGE INC | | | SCAC4 |
| 798 | IDN | Independent Air, Inc. | Callsign: Skylark, ICAO designator changed from SLK | USA | AVCODES |
| 799 | IDNA | INDUSTRIALIZADORA DE MAIZ DE CIUDAD | | | SCAC4 |
| 800 | IDNL | ITALIA DI NAV-LLOYD TRIES | | | SCAC4 |
