A list of the Top 100 contractors without Carillion on it seems strange. A year ago, turnover of £5.2bn easily made Carillion the UK’s second-biggest contractor. But we all know the old stock market adage that “turnover is vanity; profit is sanity” and Carillion failed to heed it. The company imploded spectacularly at the start of this year and is now gone. The shockwaves from Carilion’s collapse continue to reverberate and while, at a glance, the results of this year’s Top 100 suggest steady trading at the top end, the underlying picture is more complicated. Overall, total turnover of the Top 100 was just over £70bn, 8% higher than last year. However, only 98 of this year’s Top 100 have filed accounts at Companies House for the last two years and combined revenue at those companies was up 7%. The industry’s 10 biggest contractors generated about £32bn of revenue – 46% of the total for the Top 100 – which is broadly similar to the same ratio a year earlier. The biggest riser was Irish contractor McAleer & Rushe, which broke into the top 50 after surging 14 places into 47th spot. There was evidence of a tightening in social housing as two major social housing contractors – Mu...