The centre will be officially unveiled by Olympic hopeful Tom Daley today who will make the first dive into the pool tonight.

Balfour is main contractor on the job and more than 370 firms have won contracts for the Zaha Hadid designed building.

Firms highlighted by the Olympic Delivery Authority included:

·         Aqua Pharos from east Kilbride, Scotland – pool lights

·         Grunfoss from Leighton Buzzard, Bedfordshire – pumps

·         HJL Underflooring from  Newcastle-upon-Tyne – underfloor heating

·         Littlewood Fencing from  Battle, East Sussex – timber deck surfacing

·         Pitchmastic PMB Ltd from  Sheffield – waterproofing services

·         Rowecord from Newport, Wales – steel for the roof

·         Response Safety Setting Ltd from Stafffordshire – safety netting checks

·         Straight line Services from Dartford, Kent – safety grilles

·         Sound Research Laboratories Ltd, Suffolk – acoustic services

Construction started on the Aquatics Centre just over three years ago in June 2008 and has been completed on time and with an exemplary safety record with 3,630 people involved in the project.