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