Just go to farnell category tactile switches, filter illuminated yes and you get 143 results.
You do not specify if you want smd or not, both are available, different colours sizes.
just an example: MULTICOMP MCML4L12RQR Tactile Switch, Illuminated, 160 gf, 12 V, 50 mA, SMD €0.72 a piece ex VAT.