More than £6bn of work on public buildings across England and Wales has been put out to tender.
Public procurement body LHC advertised the Schools and Community Buildings frameworks in the Official Journal of the EU.
Contractors have until 3 March 2017 to register their interest in the work, which will be split into a series of lots specific to job type, value and region.
Band one will cover projects up to £2m each; band two comprises those between £2m and £4m; band three schemes are worth £4m-£10m; and band four cover jobs in excess of £10m.
Specific lots will be allocated a value band and a region, and will be designated as new-build, refurbishment or both.
Among the regions to be covered by specific lots are Wales, Cumbria, the West Midlands, Home Counties North and Cornwall.
A maximum of four companies will be named for each lot.
The framework will be used by public bodies across England and Wales. Bidders will be required to have a minimum turnover of £4m – rising to £60m for places on lot four.