Electrical, mechanical, air-con and general building services and repairs. Based in Sheffield.

Building services supplier and manufacturer of HVAC building management systems. Specialising in air distribution and control and comfort air conditioning systems.

Building services contractors. Design and installation engineers supplying plumbing, heating, air conditioning and ventilation systems.

Facilities management company specialising in design, installation, maintenance, inspection and repair of all plumbing and other mechanical systems. For large industrial and commercial buildings.

Offering to provide electrical installations, fire protection and detection, air conditioning, compressed air systems, heating controls, lift maintenance, security systems, civil engineering and building infrastructure maintenance.

Specialising in the supply and overhaul of valves, pumps and heat exchangers, carrying out work on or off site. Based in Scotland.

Specialise in the installation of mechanical and electrical control systems as well as heating, plumbing and air conditioning systems.

Heating, ventilation, plumbing and air conditioning contractors.

Professional building services including heating, ventilation, plumbing, electrical, welding and cleaning. Specialists in air conditioning design and installation.

Electrical contracting, heating, ventilation and air conditioning, fire and security, building management and water and air services.

UK supplier and installer of energy-efficient and environmentally-friendly heat and power systems.

Consultants, designers, manufacturers and installers of industrial dust and fume extraction systems.