The £555m Colchester Garrison project was one of 43 MoD contracts totalling more than £1.4bn, edging it ahead of DoH by about £100m.
Its bumper March moved Sir Robert McAlpine up 12 places in the annual chart to bronze medal position. Bovis Lend Lease and Laing O'Rourke stay first and second respectively. This means that the top three contractors are now all privately owned.
This information is compiled for Building by Emap Glenigan, which analyses an average of 8500 construction projects each week. For details, email Marcus Oughton at email@example.com or call 01202-432121.