Real world company prefixes

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SYA SYB SYC SYD SYE SYF SYG SYH SYI SYJ SYK SYL SYM SYN SYO SYP SYQ SYR SYS SYT SYU SYV SYW SYX SYY SYZ
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1 SY Sun Country Airlines ICAO: SCX, Callsign: Sun Country, IATA Prefix: 337, Name changed to MN Airlines, LLC d/b/a Sun Country Airlines w.e.f. July 2011. USA AVCODES
2 SY Skyways International Callsign: Skyways, GB AVCODES
3 SY Air Alsace   F AVCODES
4 SY United Air Service ICAO: UHP, Callsign: Sierra Yankee, Designator SY recalled by IATA WAN AVCODES
5 SY MN Airlines, LLC d/b/a Sun Country Airlines ICAO: SCX, Callsign: Sun Country, IATA Prefix: 337, Name changed from Sun Country Airlines w.e.f. July 2011. USA AVCODES
6 SY Sun Country Inc d/b/a Sun Country Airlines ICAO: SCX, Callsign: Sun Country, IATA Prefix: 337, Name changed from MN Airlines, LLC d/b/a Sun Country Airlines and previously from Sun Country Airlines w.e.f. July 2011. USA AVCODES
7 SY Syntus B.V.   NL TRAFFIC
8 SYA Skyways, S.A. Callsign: Lineas Cardinal, RA AVCODES
9 SYA Syphax Airlines IATA: FS, Callsign: Syphax, IATA Prefix: 393, Ceased operations on 30 July 2015. Founded ijn 2011. Commenced operations on 21 April 2012. TN AVCODES
10 SYA Syphax Airlines S A IATA: Y3, Callsign: Syphax, TN AVCODES
11 SYA Skyways     ICAO1
12 SYAA SOULEYMANE     SCAC4
13 SYAC STRICTLY AIR & CARGO     SCAC4
14 SYAE SYKES, DEAN     SCAC4
15 SYAL SAMYOUNG AMERICA INC     SCAC4
16 SYAN SYRA NAVIGATION LTD     SCAC4
17 SYB Tempelhof Express Airlines GmbH IATA: FC, Designator FC recalled by IATA. Name changed from TAL Thuringia Airlines GmbH D AVCODES
18 SYB Symbol Publicidad, S.A. Callsign: Symbolair, E AVCODES
19 SYB TAL Thuringia Airlines GmbH IATA: FC, Name changed to Tempelhof Express Airlines GmbH D AVCODES
20 SYB Tempelhof Express Airlines GmbH Designator FC recalled by IATA. Name changed from TAL Thuringia Airlines GmbH D AVCODES
21 SYB Skyservice Business Aviation Inc Callsign: Skybiz, CDN AVCODES
22 SYBC SUDDATH RELOCATION SYSTEMS OF FT LA     SCAC4
23 SYBD STANLEY TRUCKING INC (LIQUID BOX DI     SCAC4
24 SYBG SUNNY LEASING INC     SCAC4
25 SYBO SHELLEY, R H     SCAC4
26 SYBP SKY BLUE TRANSPORT LTD     SCAC4
27 SYBR SEYBERT TRANSPORTATION SERVICES INC     SCAC4
28 SYBT STRATEGIC LOGISTICS COMPANY LLC     SCAC4
29 SYBU JIANGSU XINYUE HI-TECH (GROUP) CO.,LTD   PRC BIC
30 SYC Systec 2000, Inc. Callsign: Systec, USA AVCODES
31 SYC Systec 2000     ICAO1
32 SYC (The) Sylvania Central Ry. Co. (Wrightsville & Tennille R.R. Co.) 7/1923-7/1936   NAKINA
33 SYC WRIGHTSVILLE & TENNILLE RAILROAD CO. [SYLVANIA CENTRAL RWY. CO.]     PWRC
34 SYCA SEAY CONTRACTING CO     SCAC4
35 SYCB SISLER LUMBER COMPANY INC     SCAC4
36 SYCC SYCAMORE SPECIALIZED CARRIERS INC     SCAC4
37 SYCE RAILROAD STORAGE & DRAYAGE INC     SCAC4
38 SYCG STONY CREEK TRUCKING LLC     SCAC4
39 SYCH SYMES, CHARLES     SCAC4
40 SYCI SYC LOGISTICS INC     SCAC4
41 SYCJ SOUTHERN DELIVERY     SCAC4
42 SYCM STEVESART AND IMAGERY     SCAC4
43 SYCR SAMY C TRANSPORT     SCAC4
44 SYCT STAR TOYS AND COLLECTIBLES     SCAC4
45 SYCY STEEL TOY CARRIERS LLC     SCAC4
46 SYD Air Yendis Limited Callsign: Yendis, Z AVCODES
47 SYD Flying Ambulance (Pty) Ltd t/a Aerocare Callsign: Skydoctor, ZA AVCODES
48 SYDB SYDIA BROS ENT LTD     SCAC4
49 SYDE STAT TRANSPORT SYSTEMS INC     SCAC4
50 SYDM SYNERGY MANUFACTURING INC     SCAC4
51 SYDNEY   City: Sydney AUS TRAFFIC
52 SYDQ SMITH MONUMENT COMPANY LTD     SCAC4
53 SYDT Sydtåg Real: ST, 1991 - 1997 S TRAFFIC
54 SYE Sheba Aviation   YAR AVCODES
55 SYE Sheba Aviation     ICAO1
56 SYEA STINGRAY EXPRESS INC     SCAC4
57 SYEC STANLEY E INC     SCAC4
58 SYEI SCOYO TRANSPORT INC     SCAC4
59 SYEK SKYTEK EXPRESS INC     SCAC4
60 SYEL SNOOPY EXPRESS LLC     SCAC4
61 SYEM STC     SCAC4
62 SYEN SAIYEN TRANSPORT     SCAC4
63 SYES SPEEDWA     SCAC4
64 SYET SHIREY, ERNEST E TRUCKING     SCAC4
65 SYF Sky One Express Airlines, Inc. Callsign: Sky First, USA AVCODES
66 SYF Sky One Express Airlines     ICAO1
67 SYFC SPEEDY FREIGHT CARRIER INC     SCAC4
68 SYFE STANLEY FURNITURE CO INC     SCAC4
69 SYFF SMORGON STEEL RECYCLING INC     SCAC4
70 SYFG SECURITY FREIGHT SYSTEMS     SCAC4
71 SYFI SYSTEM FREIGHT INC     SCAC4
72 SYFL SOUTH BAY APPAREL INC     SCAC4
73 SYFN SYFAN LOGISTICS INC     SCAC4
74 SYFO SYFILCO LTD     SCAC4
75 SYFR STALEY FARMS     SCAC1
76 SYFS SNYDER FUEL SERVICE INC     SCAC4
77 SYG Synergy Aviation Ltd. IATA: YD, Callsign: Synergy, IATA Prefix: 259, GB AVCODES
78 SYG Synergy Aviation     ICAO1
79 SYGA SUNNY GROUP USA INC     SCAC4
80 SYGC SYNERGISTICS LLC     SCAC4
81 SYGN SYRACUSE GLASS COMPANY INC     SCAC4
82 SYGP SPECIALTY STORAGE COMPANY     SCAC4
83 SYGS S Y GRANI TOPS INC     SCAC4
84 SYGT SYNERGY TRANSPORTATION SYSTEMS INC     SCAC4
85 SYGV SKY LOGISTICS OF VIRGINIA LLC     SCAC4
86 SYH Sky Handling   UA AVCODES
87 SYHA STONECOUNTRY WELSH INC     SCAC4
88 SYHD SPEEDY HEAVY DUTY HAULING     SCAC4
89 SYHF SHUEY & HOFFMAN FUELS INC     SCAC4
90 SYHG SYNCREON HOLDINGS INC     SCAC4
91 SYHH SYNCREON NORTH AMERICA INC (DIV OF     SCAC4
92 SYHI SYNCREON.US INC (DIV OF SYNCREON HO     SCAC4
93 SYHJ SYNCREON AMERICA INC (DIV OF SYNCRE     SCAC4
94 SYHN SYSTEME HUNTINGDON INC     SCAC4
95 SYHT SUNNY HILLS TOWING     SCAC4
96 SYHW SSANGYONG SHIPPING CO LTD     SCAC4
97 SYI Sonalysts, Inc.   USA AVCODES
98 SYI Sonalysts     ICAO1
99 SYIC SEEWHY INC     SCAC4
100 SYIL SEAWAY INTERNATIONAL INC     SCAC4
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