The North West Division of building services engineers Shouksmiths has won eight new contracts worth a combined £1.42 million.
Two contracts for Lovell, worth a total of £704,000, both involve installation of heating and plumbing services, which include various energy-saving systems.
These will comprise the Alpha Solar Smart 90 System, which includes a 90 litre cylinder and a solar collector drain back unit, gas savers and rainwater harvesting systems.
Another of the wins, for Bramall Construction for 38 new houses and 24 apartments, is worth £315,000. It includes the installation of a whole house heat recovery system.