The Engineering Construction Industry Association (ECIA) is the principal trade and employer Association for the UK engineering construction industry. The ECIA provides its members with a collective voice to represent their interests on all matters affecting their industry. They provide Industrial Relations, Health & Safety, Best Practice, Taxation, NAECI Agreements, Membership, Welfare, Employment Relations, and Employment Law.

EV Bullen is recognized as an independent Building Services Contractors providing sustainable, high quality engineering solutions for electrical and mechanical building services.

As one of the UK-based specialist suppliers of ground source heat pumps and air source heat pumps, heating solutions for swimming pools, and solar panels, Evolution Eco Homes pride itself on providing customers with a comprehensive, ethical, trustworthy, and professional approach to renewable energy.

Compelled by the worsening levels of air pollution in the UK, they launched Evotech Air Quality in 2020 to help the customers create safer working environments by transforming their indoor air quality. They also Monitoring indoor air quality data in real time to assess the impact of COVID-19 secure ventilation.

Exyte Hargreaves is the UK’s renowned provider of specialist high-integrity bespoke ventilation and hydraulic systems and ultra high-purity pipework solutions.

F and P Plumbing business are to provide mechanical and electrical (M&E) services to a wide range of clients in the public and private housing sector. The company has grown in managing a range of gas-related services, including full central heating installations, responsive maintenance, gas servicing, and Commercial warm air heaters installation and planned maintenance.

Farr & Harris is a family-owned independent plumbing merchant based in Shrewsbury, Shropshire. Farr & Harris started back in 1956 and has grown thanks to their many happy returning customers, who want professionalism and reliable service.

Finn Geotherm is East Anglia’s leading supplier and installer of ground and air source heat pump systems for domestic, commercial and industrial customers. Ground and air source heat pumps use the latest technology to generate heating and hot water from renewable sources.

Finna Fans use the latest CNC machinery to produce our fan components and only use the highest quality materials, giving our customers a product that is finished to the highest standards. All our fans are fully checked and tested before leaving the premises and are supplied with full documentation.

Flynn Refrigeration is the key provider of refrigeration, air conditioning and compressed air products, and they deliver these alongside a vast range of technical and remanufacturing services.

Forma London is a renowned contractor and services company that provides innovative solutions in engineering, contracting, HVAC equipment, construction, workspace extension and repairs.

Frenger Systems are specialists in manufacturing and supplying energy-efficient HVAC systems, including Chilled Beams and Radiant Heating Panels, to commercial buildings globally. Their HVAC systems are utilized in hundreds of award-winning properties across the world for their benefits such as improved employee wellbeing,

The G&H Group is the complete mechanical and electrical public health (MEP) provider. They provide heating, ventilation and air conditioning; gas, electricity and renewable power supplies; water, drainage and plumbing; lighting; energy management systems; refrigeration; acoustics; and, communications, security and safety systems.

GAP Ice provides processing and recovery of domestic and commercial fridge and cooling units. GAP Ice is only one of three refrigeration processors in the UK to achieve WEEELABEX certificate for their refrigeration recycling plant for responsible recycling.

GDM is a globally renowned engineering and environmental design consultants firm that provide mechanical and electrical building services, building and home automation solutions, HVAC systems, and sustainable engineering solutions for homes and enterprises.

Gelidus offers the design, sale, installation, repair and maintenance of a wide range of air conditioning and ventilation equipment to both commercial and residential sectors.

Global Optimism is a purpose driven enterprise focused on social and environmental change. Global Optimism exists to precipitate a transformation from pessimism to optimism as a method of creating social and environmental change.

Good Energy is an energy service company that embraces tech to help Britain get to net zero carbon emissions. They do this through providing 100% renewable electricity and developing innovative services to support customers to generate, share, store, use and travel with truly clean power. They’re passionate about the planet and empowering people to fight the climate crisis. That’s why they’ve been providing clean energy to businesses and homes.

GoodWe UK is a pioneering, clean energy solutions multinational enterprise. they are at the forefront of the global transition to a Smart Energy World, striving for a zero-carbon future and a clean and healthy global environment. GoodWe solar inverters have been used in residential and commercial rooftops, industrial and utility-scale systems and range from 0.7kW to 250kW.

Greenmill Supply Company is one of the UK's pioneer wholesalers of Air Conditioning and Ventilation Install products. They provide Air Conditioning Supplies, Ventilation Supplies, Plumbing Supplies, Fixture and Fittings Supplies, and ZoomLock Braze-free Systems.

H2GO Power is a pioneering cleantech company. They develop and deliver hydrogen energy storage technology for zero-emission, safe and reliable power supply, with a range of commercial applications.

Hamilton Air Conditioning has been supplying top quality air conditioning for over thirty years. They owe it all to their talented engineers! Without their knowledge, their passion and their attention to detail, they wouldn’t have been able to provide so many fantastic systems to their trusted clients over the years.

Harding Heating Ltd is a Gas Safe® registered heating and plumbing specialist based in Shropshire. It focuses on domestic plumbing and heating, from servicing and maintenance to new boiler and heating installations.

Hawco is an international distributor and a UK wholesaler of HVAC products. They provide Refrigeration systems, Air Conditioning, Electrical Process & Control, HVACR, Components, Process Heating Control, and Process Heating.

HDR | Hurley Palmer Flatt Group is the UK’s leading independent multidisciplinary engineering consultancy, providing solutions for the built environment. HDR | Hurley Palmer Flatt Group is Headquartered in London, and comprises of: - HDR | Hurley Palmer Flatt - HDR | Andrew Reid - HDR | Bradbrook Consulting - HDR | Concentre Consulting

Health and Safety Executive (HSE) is the national independent watchdog for work-related health, safety and illness. Their mission is to prevent death, injury and ill health in Britain's workplaces. They are an independent regulator and act in the public interest to reduce work-related death and serious injury across Great Britain’s workplaces.

Heat Orkney has an experienced team who can assess, install and commission any size of heat pump or air conditioning equipment. We pride ourselves on a professional service where the customer satisfaction comes first. They offer a free quote to supply, or supply and install, any sized systems throughout the whole of Orkney- including outlying islands, Shetland and northern Scotland.

Heatable offers fixed price boiler replacements to customers UK wide. They have partnered with Alpha, Viessmann & Worcester-Bosch boilers to provide products at super competitive rates. They are here to simplify the boiler buying process, provide transparency of pricing and pass huge savings on to the customers.

Heatforce has been supplying quality fireplaces, bathrooms, boilers and renewable energy solutions for over 35 years. They also provide heating installation, servicing & maintenance, fireplace installation & servicing, renewable energy installation, and bathroom installation & maintenance.

Heating Force has experience on both sides of the heating industry, and that’s enabled them to build one of the biggest free resources in the UK – helping over 60,000-150,000 visitors with boiler problems every-single-month. They also connect homeowners with cheap boiler installers, such as HEATABLE or WarmZilla.