| 1 | LSI | Aliscargo Airlines S.p.A. | IATA: CP, Callsign: Alis, IATA Prefix: 233, | I | AVCODES |
| 2 | LSI | Lake Superior & Ishpeming R.R. Co. | 1/1975-7/2000; eliminated 4/2001; 7/2005 | | NAKINA |
| 3 | LSI | Lake Superior & Ishpeming R.R. Co. | 1/75-7/2000; eliminated 4/2001 | | NRHS |
| 4 | LSI | LAKE SUPERIOR & ISHPEMING RAILROAD CO. | | | PWRC |
| 5 | LSI | Lake Superior and Ishpeming Railroad | | | RSRV |
| 6 | LSI | Lake Superior & Ishpeming | | USA | TRAFFIC |
| 7 | LSIA | LOAD STAR INC | | | SCAC4 |
| 8 | LSIB | LINK SPECIALIZED INC | | | SCAC4 |
| 9 | LSIC | LTS INC | | | SCAC3 |
| 10 | LSIC | LOGISTICS SYSTEMS INC | | | SCAC4 |
| 11 | LSID | LONE STAR INTEGRATED DISTRIBUTION I | | | SCAC4 |
| 12 | LSIE | LOADS SIMPLIFIED INC | | | SCAC4 |
| 13 | LSIG | LEADERSHIP SHIPPING INC | | | SCAC4 |
| 14 | LSIH | LONE STAR INTERNATIONAL HORSE CARRI | | | SCAC3 |
| 15 | LSIH | LSI TRANSPORT INC | | | SCAC4 |
| 16 | LSII | L S I INC | | | SCAC3 |
| 17 | LSII | LINER SERVICES INTERNATIONAL INC | | | SCAC4 |
| 18 | LSIL | LONE STAR INTERMODAL SERVICES INC | | | SCAC4 |
| 19 | LSIN | LOGISTIC SYSTEMS INC | | | SCAC4 |
| 20 | LSIO | LISI OIL CO | | | SCAC4 |
| 21 | LSIQ | LIDAR SERVICES INC | | | SCAC4 |
| 22 | LSIS | LSI SACO TECHNOLOGIES INC | | | SCAC4 |
| 23 | LSIT | LSI TRANSPORTATION LP | | | SCAC4 |
| 24 | LSIU | LS INTERTANK APS | | DK | BIC |
| 25 | LSIU | L.S. INTERTANK | | | PWRC |
| 26 | LSIU | L.S. Intertank | | | RSRV |
| 27 | LSIU | LS INTERTANK APS | | | SCAC4 |
| 28 | LSIV | LOGISTIC SERVICES INC | | | SCAC4 |
| 29 | LSIW | LAND SPAN INC (DIVISION: WATKINS TR | | | SCAC4 |
| 30 | LSIX | ADM Transportation | added 1/2003; 7/2005 | | NAKINA |
| 31 | LSIX | Minnesota Corn Processors Bulk Products Division | added 7/2000; 7/2000; eliminated 1/2003 | | NAKINA |
| 32 | LSIX | Liquid Sugars, Inc. | added 7/1981; 1/1994; eliminated 7/2000 | | NAKINA |
| 33 | LSIX | Liquid Sugars, Inc. | added 7/81; 1/94; eliminated 7/2000 | | NRHS |
| 34 | LSIX | Minnesota Corn Processors Bulk Products Division | added 7/2000; 7/2000 | | NRHS |
| 35 | LSIX | ADM TRANSPORTATION CO. [MINNESOTA CORN PROCESSORS BULK PRODUCTS DIV.; LIQUID SUGARS,INC.] | | | PWRC |
| 36 | LSIX | Liquid Sugars (ADM Transportation) | | | RSRV |
| 37 | LSIX | ADM TRANSPORTATION COMPANY | | | SCAC4 |
| 38 | LSIX | Liquid Sugars, Inc. | | USA | TRAFFIC |