Then and now

Turnover in 2000
(£bn, based on 1999 figures)

Amec £3.2
Bovis Construction Group £2.3
Balfour Beatty £2.3
Carillion £1.9
John Laing £1.8

Turnover in 2009
(£bn, based on 2008 figures where available)

Balfour Beatty £9.5
Carillion £5.2
Laing O’Rourke £3.6
Morgan Sindall £2.5
Kier £2.4