The contracting giant won 51 contracts worth a massive £1.37bn in 1998, £120m clear of Bovis, which landed £1.25bn of work.
Lyons Sleeman & Hoare led the architects' league, winning £364m worth of work. Sheppard Robson was second with £301m.
Supermarket giant J Sainsbury was client of the year, procuring 38 projects worth £322m.
Christmas came early for Tarmac and Willmott Dixon, with both contractors scooping sizeable contracts in December. Tarmac displaced Bovis at the top of the monthly table, with five contracts worth a total of £111.2m.
Willmott Dixon made spectacular progress, moving from 23rd place in November to third in December with three contracts totalling £43.3m.