42 Airlines: (55 with Subsidiaries)
Air Canada - AC / ACA (Air Canada Jazz - JZA, Sky Regional Airlines - SKV)
Air Chathams - CV / CVA
Air New Zealand - NZ / ANZ (Air Nelson - RLK)
Air Nostrum - YW / ANE
Airtran Airways - FL / TRS
Alaska Airlines - AS / ASA (Horizon Air - QXE)
American Airlines - AA / AAL (American Eagle - EGF, PSA Airlines - JIA, Republic Airlines - RPA)
Avianca Brazil - O6 / ONE
Avianca Colombia - AV / AVA
Avianca Peru - T0 / TPU
Azul Brazilian Airlines - AD / AZU
Brussels Airlines - SN / BEL
Cathay Pacific - CX / CPA
Comair SA - MN / CAW
Delta Airlines - DL / DAL (Endeavor Air - EDV)
Etihad Airlines - EY / ETD
Frontier Airlines - F9 / FFT
Gol Airlines - G3 / GLO
Iberia - IB / IBE
Jet Airways - 9W / JAI
Jetblue Airways - B6 / JBU
JetsuiteX - JSX / RSP
Kulula - MN / CAW
LAN Argentina - 4M / DSM
LATAM Chile - LA / LXP
LATAM Peru - LP / LPE
Mango - JE / MNO
Porter - PD / POE
Qantas Airways - QF / QFA
Qatar Airways - QR / QTR
Ryanair - FR / RYR
Southwest Airlines - WN / SWA
Spirit Airlines - NK / NKS
Surf Air - URF
Swiss - LX / SWR
TAM Airlines - JJ / TAM
TAP Air Portugal - TP / TAP
United Airlines - UA / UAL (Skywest Airlines - SKW)
US Airways - US / AWE (Air Wisconsin - AWI, Chautauqua Airlines - CHQ, Piedmont Airlines - PDT)
Virgin America - VX / VRD
Vueling - VY / VLG
WestJet Airlines - WS / WJA (WestJet Encore - WEN)
8 Charters:
Highland Aircraft LLC
Hop-A-Jet - HPJ
MAC Air Group
National Jets Inc
Priester Aviation - PWA
Skyview LLC
Travel Management Company - TMC
XO Jet - XOJ