G4S Secure Solutions – Telereal, Events, RBS Gogarburn, RBS, Patrol & Respsonse, Care & Justice.
Loomis
Servisair
British Airways Maintenance
Swissport
Menzies Aviation
Wilson James Security
Mitie Security
Securitas
Security Plus
Handling Solutions Ltd
Dalcross Handling Inverness
Highlands & Islands Airports Ltd (AMSL)
The Corps
GBM Security
VSG Security
Glasgow Uni