Aviation/Airlines
Regional
- TACA
- Hallmark Aviation Services
- Gama Aviation
- CommutAir dba United Express
- GAT Airline Ground Support
- PrimeFlight Aviation Services
- SkyWest Airlines
- Gate Gourmet
- gategroup
- PCC AEROSTRUCTURES
- gategroup
- G2 Secure Staff
- Flybe
- Signature Flight Support
- Air Wisconsin Airlines
- Menzies Aviation
- Air Methods
- Endeavor Air
- G2 Secure Staff
- ExpressJet Airlines
- easyJet
- Signature Flight Support
- Prospect Airport Services, Inc.
- Piedmont Airlines
- ASIG
- AAR
- Greater Orlando Aviation Authority: Orlando International (MCO) and Executive (ORL) Airports
- AirTran Airways
- Elite Line Services (ELS)
- Pratt & Whitney Canada
Domestic
- JetBlue
- Alaska Airlines
- Delta Air Lines
- United Airlines
- American Airlines
- Spirit Airlines
- Continental Airlines
- US Airways (now American Airlines)
- Hawaiian Airlines
- Southwest Airlines
- Republic Airways
- Metropolitan Washington Airports Authority
- Sun Country Airlines
- Endeavor Air
International
- Swissport
- Lufthansa
- List Kalitta Air
- Atlas Air
- Atlantic Aviation
- Qatar Airways
- Air France
- Swiss International Air Lines
- Worldwide Flight Services (WFS)
- Comair
- Envoy Air
- Cargolux Airlines
- Bristow Group
- Singapore Airlines
- Envoy Air
- Cathay Pacific Airways
- PSA Airlines, Inc.
- Emirates
- Kuwait Airways
- Volotea
- Japan Airlines
- KLM Royal Dutch Airlines
- Korean Air
- British Airways