Real world company prefixes

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Q& Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 QA QB QC QD QE QF QG QH QI QJ QK QL QM QN QO QP QQ QR QS QT QU QV QW QX QY QZ
QTA QTC QTE QTF QTI QTJ QTK QTL QTM QTN QTP QTR QTS QTT QTU QTX QTY
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1 QT Transportes Aereos Mercantiles Panamericanos S.A., (TAMPA) ICAO: TPA, Callsign: Tampa, IATA Prefix: 729, Name changed to Transportes Aereos Mercantiles Panamericanos S.A., (TAMPA) t/a Avianca Cargo w.e.f. 28 May 2013. CO AVCODES
2 QT Regional Air PTY Ltd.   PNG AVCODES
3 QT Inter City Airlines Ceased operations on 01 August 1983. Name changed from Alidair GB AVCODES
4 QT Aer Turas Teoranta ICAO: ATT, Callsign: Quebec Tango, IRL AVCODES
5 QT Transportes Aereos Mercantiles Panamericanos S.A., (TAMPA) t/a Avianca Cargo ICAO: TPA, Callsign: Tampa, IATA Prefix: 729, Name changed from Transportes Aereos Mercantiles Panamericanos S.A., (TAMPA) w.e.f. 28 May 2013. CO AVCODES
6 QT Queens Transit City: New York US-NY TRAFFIC
7 QTAC QUEENS TRUCKING AND CONSTRUCTION IN     SCAC4
8 QTAP QUALITY TRANSPORTATION INC     SCAC3
9 QTAP QUEST TRANSPORT LLC     SCAC4
10 QTCC QUALITY CONTRACT CARRIERS INC     SCAC3
11 QTCI QUEST TRANSPORTATION COMPANY INC     SCAC3
12 QTCL QUICK TURN CARGO LLC     SCAC4
13 QTCO QUALITY TRADING CO L L C     SCAC4
14 QTCR QUIVICAN TRUCKING CORP     SCAC4
15 QTCU QT CONTAINER LINE (HK) LIMITED   HK BIC
16 QTEC QUALTECH INC     SCAC4
17 QTEF QUICK TRIP EXPRESS FREIGHT SERVICE     SCAC4
18 QTFF QUINTANA, TONY FREIGHT FORWARDERS I     SCAC3
19 QTI Quaboag Transfer   CDN TRAFFIC
20 QTIA QUALITY TRANSPORT OF IOWA INC     SCAC3
21 QTIB QUEEN TRANSPORT INC     SCAC4
22 QTIC Q T INC     SCAC3
23 QTIC Q T INC     SCAC4
24 QTIG QUALITY TRUCKING INC     SCAC3
25 QTII Q T I     SCAC4
26 QTIM QC TECHNIQUES INC     SCAC4
27 QTIN QUALITY TRUCKING INC     SCAC3
28 QTIN QUALITY TRUCKING INC     SCAC4
29 QTIQ QUORUM TECHNOLOGIES INC     SCAC4
30 QTJA QUINTANA TRUJILLO, JOSE ANTONIO     SCAC4
31 QTJL QUIROZ TRUJILLO, JOSE LUIS     SCAC4
32 QTKI QUALITY TRUCKING INC     SCAC4
33 QTKL QUALITY TRUCK LINES INC     SCAC3
34 QTLD QUEENSWAY TANK LINES INC     SCAC3
35 QTLI QUALITY TRANSPORTATION & LOGISTICS     SCAC4
36 QTLJ QUALITY TRANSPORTATION LLC     SCAC4
37 QTLL QUALITY TRANS LOGISTICS LLC     SCAC4
38 QTLT QUIETT TRANSPORTATION LTD     SCAC3
39 QTLY QUEEN TRANSPORTATION LLC     SCAC4
40 QTMU QUANTUM FUEL SYSTEM LLC   USA BIC
41 QTNB QUALITY TRANSPORTATION SERVICES (N     SCAC4
42 QTNH QUINTAN HOLDINGS LTD     SCAC3
43 QTNM QUALTIY TRACTOR & MACHINERY INC     SCAC3
44 QTNV QUALITY TRANSPORTATION SERVICES OF     SCAC3
45 QTPC QUINTANA TRANSPORTATION CO     SCAC4
46 QTPI Q TRANSPORT INC     SCAC4
47 QTPL QUICK TRANSPORT LLC     SCAC4
48 QTPS QUALITY TRANSPORTATION SERVICES INC     SCAC4
49 QTR Qatar Airways (W.L.L.) IATA: QR, Callsign: Qatari, IATA Prefix: 157, Name changed to Qatar Airways Group Q.C.S.C. Q AVCODES
50 QTR Qatar Airways Group Q.C.S.C. IATA: QR, Callsign: Qatari, IATA Prefix: 157, Name changed from Qatar Airways (W.L.L.) Q AVCODES
51 QTR Qatar Airways IATA: QR   ICAO1
52 QTR Qatar Airways   Q TRAFFIC
53 QTRB QURAISHI TRUCKING     SCAC4
54 QTRC QUEENS TRUCKING     SCAC4
55 QTRI QUALI-T-RUCK SERVICE, INC     SCAC3
56 QTRI QUALI-T-RUCK SERVICE INC     SCAC4
57 QTRK QUALITY TRUCKING     SCAC4
58 QTRP QUINT TRANSPORT INC     SCAC3
59 QTRP QUIROGAS TRANSPORT     SCAC4
60 QTRQ QT TRANSPORT     SCAC4
61 QTRT QUIJANOS TRANSPORT     SCAC4
62 QTSA QUALITY TRANSPORTATION SERVICES INC     SCAC4
63 QTSC QUALITY TRANSPORT SERVICE LTD     SCAC3
64 QTSC QTS INC     SCAC4
65 QTSI QUALITY TRANSPORTATION SERVICES INC     SCAC3
66 QTSI QUALITY TRANSPORTATION SERVICES INC     SCAC4
67 QTSJ QUALITY TRANSPORT SERVICES OF JACKS     SCAC3
68 QTSJ QUALITY TRANSPORT SERVICES OF JACKS     SCAC4
69 QTSO QUALITY TRANSFER & STORAGE CO     SCAC4
70 QTSR QUALITY TRANSPORTATION SERVICES INC     SCAC4
71 QTSV QUALITY TRANSPORTATION SERVICES INC     SCAC3
72 QTTI QUALITY TOUR TRANSPORT INC     SCAC3
73 QTTR QUALITY TRUCK & TRAILER REPAIR     SCAC3
74 QTTR QUALITY LOGISTICS INC     SCAC4
75 QTTX TTX Co. added 1/1992; 1/1994-7/2005   NAKINA
76 QTTX Trailer Train Co. added 10/1964; 7/1965-10/1966; eliminated 10/1967; 4/1970; eliminated 7/1972; 1/1975-1/1980; added 7/1991; eliminated 1/1992   NAKINA
77 QTTX Trailer Train Co. added 10/1964   NAKINA
78 QTTX Trailer Train Co. (FMS flat cars specially equipped to provide for loading of agricultural equipment) 7/1965-10/1966; eliminated 10/1967   NAKINA
79 QTTX Trailer Train Co. (same as OTTX) 4/1970; eliminated 7/1972   NAKINA
80 QTTX Trailer Train Co. (no definition) 1/1975-1/1980   NAKINA
81 QTTX Trailer Train Co./TTX Co. (heavy capacity special type flats AAR mechanical designations FD and FM ranging in capacity from 110-ton to 245-ton of various lengths) added 7/1991; 10/1991-1/1994   NAKINA
82 QTTX TTX Co. (heavy capacity special type flats AAR mechanical designations FD and FM ranging in capacity from 105-ton to 370-ton of various lengths, equipped with end of car cush.) 7/2000   NAKINA
83 QTTX Trailer Train Co. Jul-65   NRHS
84 QTTX Trailer Train Co. (FMS flat cars specially equipped to provide for loading of agricultural equipment) 10/66; eliminated 10/67   NRHS
85 QTTX Trailer Train Co. Apr-70   NRHS
86 QTTX Trailer Train Co. (no definition) 1/75-1/80   NRHS
87 QTTX Trailer Train Co. added 7/91; eliminated 1/92   NRHS
88 QTTX TTX Co. added 1/92   NRHS
89 QTTX TTX Co. (heavy capacity special type flats AAR mechanical designations FD and FM ranging in capacity from 110-ton to 245-ton of various lengths) Jan-94   NRHS
90 QTTX TTX Co. (heavy capacity special type flats AAR mechanical designations FD and FM ranging in capacity from 105-ton to 370-ton of various lengths, equipped with end of car cush.) Jul-00   NRHS
91 QTTX TTX CO.     PWRC
92 QTTX TTX Corporation     RSRV
93 QTTX TTX COMPANY     SCAC4
94 QTUI Q2U INC     SCAC4
95 QTUK Q TRUCKING INC     SCAC3
96 QTUM QUANTUM TRANSPORTATION LLC     SCAC4
97 QTX Quantex Environmental, Inc. Callsign: Air Quantex, CDN AVCODES
98 QTX Quantex Environmental     ICAO1
99 QTX General American Transportation Corp. 7/1937-1/1943   NAKINA
100 QTX Quaker City Tank Line (General American Tank Car Corp.) 7/1935   NAKINA
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