<sod >CarillionÂ employs some 20,000 people in the UK and holds contracts for HS2, prisons, the NHS and the armed forces.< eod>< sod > CarillionÂ employs some 46,000 people worldwide, of whichÂ 20,000 are in the UK, and holds majorÂ contracts for HS2, prisons, the NHS and the armed forces.< eod>