好色先生TV

Mace and Carillion have thrown their weight behind the 鈥榬emain鈥� campaign to keep the UK in the EU.

Bosses of the two contractors, alongside heavyweight clients including British Land, Canary Wharf Group and airports Gatwick, Heathrow and Manchester Airports Group, have signed a letter to the Times today arguing the UK will be 鈥渟tronger, safer and better off鈥� remaining in the EU.

The letter is signed by 197 UK business leaders, including just over a third (36) of FTSE 100-listed firms.

Notable by their absence were London stock exchange-listed contractor Balfour Beatty and client Land Securities, which did not sign the letter. Balfour Beatty told 好色先生TV the firm would not be commenting on the referendum.

Other signatories from other sectors include defence contractor BAE Systems and oil group Shell, but none of the UK鈥檚 supermarket giants - including Tesco, Sainsbury鈥檚 and Morrisons - signed up.

The letter comes after a heated debate in Parliament yesterday with MPs bitterly divided on whether the country should remain or leave the EU.

The campaign was energised on Sunday by London mayor Boris Johnson鈥檚 announcement he would campaign for the UK to leave, putting him at loggerheads with prime minister David Cameron and most of the Conservative cabinet.