Leave it to others inestimable judgements...
It would appear to be a standard expected mix associated with any major airport...
Amongst the 26 companies recruiting for STN are...
Titan Airways
Ryanair
Jet2
Harrods Aviation
FedEx
Border Force
MAG
Stansted Airport College
Universal Aviation
Swissport
Hampton by Hilton
Novotel
Radisson Blu
Europcar.