J & B Hopkins Limited is a privately owned Company incorporated in 1978 and has progressively grown and developed significantly over the last forty years to provide a full Mechanical and Electrical services design and installation to the building industry and direct to end users.

With more than 75 years of experience in organizing transport plans for the flows of major players in French transport, Jacky Perrenot has diversified into different areas of activity, such as Bulk, Containers, Logistics and Home delivery. The company continues to grow through new projects and acquisitions.

Jacques Technologies is a renowned company in the design and manufacture of Integrated Communication Systems. The Jacques 650 Series Integrated Communications System uses IP technology to create a fully digital networked inter-communications and public address (PA) system with control and monitoring functions.

Jaga Climate Designers has been supplying indoor climate concepts worldwide for more than 60 years. With operations in North America, the company is fully committed to developing innovative technology with limited ecological impact when it comes to cooling, heating and ventilating buildings and homes.

JDM Jingda is a designer and manufacturer of heat exchanger equipment, as well as an innovative supplier of stamping and metal forming press.

Jobber is an award-winning SaaS platform that helps small home services businesses organize their entire operations, from scheduling jobs and managing their crews, to invoicing customers and collecting payments.

Jonas Construction Software is a fully integrated accounting, construction and service management solution used by over 1,200 HVACR and Mechanical Contractors across North America to drive revenue, improve efficiency and help make better business decisions.

Josgaz introduced modern technologies such as condensing boilers, heat pumps, solar systems, wood gasification boilers, hot air heating with fireplace inserts, heating with fireplace inserts with a hot water exchanger, etc.

Karyer Group (Karyer Heat Exchangers) is a Turkish manufacturer of heat-exchangers, evaporators and condensers since 1978, exporting to 80+ countries. They specialize in copper-tube/aluminum-finned coils compatible with modern refrigerants like A2L, R290, R600a, and CO₂.

Kattfotsbacken AB manufacture sewage heat exchangers and waste water heat exchangers. They are small companies with great possibilities for adapting to customers.

Kelford Engineering has been installing, reconditioning, servicing and surveying boilers throughout New Zealand and the Pacific Islands for the 30 years. Established in 1991, their current team combined adds up to over 80 years of boiler experience.

Kerr Controls Limited is Atlantic Canada's distributor of heating, ventilation, air-conditioning and refrigeration. Kerr offers the best in technology that enhances home comfort, saves energy and protects the environment.

Klimat is a company dedicated to the installation of heating, air conditioning, cooling systems. They specialize in air conditioning products and continuously adapt to the new needs of the market. They offer maximum quality in their products and services. They also have a team of professionals with experience and talent.

KLIMAVEX GROUP is one of the most comprehensive wholesalers of professional equipment in the heating, cooling and air conditioning segment in the Czech Republic and Slovakia with decades of professional experience.

KORADO's long-term strategy is to offer complete heating solutions with an emphasis on modern low-energy elements and systems that combine environmental friendliness and cost savings.

Kospel company is a Poland based manufacturer of electric instantaneous water heaters, electric boilers, cylinders, solar products, steam generators and heat pumps.

KOSTAL Industrie Elektrik provides its customers with innovative solutions in three core product fields: photovoltaics, the INVEOR line of drive controllers, and instrumentation and control electronics.

Koura is a globally renowned company in the development, manufacture and supply of fluoroproducts that play a fundamental role in enhancing everyday lives. Their refrigerant products are used in a vast range of applications such as the construction of towns and cities, keeping homes cool, and food fresh.

Originating from the KKT Kraus Company, the current KKT chillers brand is an important pillar within ait-deutschland GmbH. KKT chillers combine decades of know-how in thermodynamic processes with the requirements of customers to design energy-efficient chiller and heat pump solutions for quite varied applications.

LAMBERET was founded in 1935 and is now the European specialist bodywork manufacturer for refrigerated vehicles. Its range is suitable for all goods transport from 1 to 100 m3 – boxes and trailers, vans, platform-cabs and chassis cabs for utility vehicles; bodies for rigid, truck trailers, semi-trailers, and swap bodies for industrial vehicles.

Lee Jackson Air Conditioning Ltd. has been providing high quality, commercial air conditioning solutions for over 15 years. Based in Nottingham, they work with a range of businesses across the UK from boutique hotels and shops to expansive, multi-floor commercial office buildings.

Established in 2014, Leonari is a Mechanical & Electrical contractor working in London and the South East. They specialize in the commercial, residential, retail, data centers and educational sectors where our works include CAT-A, CAT-B installations as well as capital plant replacements.

LightFi are renowned manufacturer of pressure gauges, low pressure DP static and velocity transmitters, switches, handheld calibrators and temperature indicators. They aim to enable commercial spaces to save on energy and create healthy efficient workspaces through the use of real time occupancy data, integrated with the building management system.

Likusta Umwelttechnik is a global provider of advanced and integrated systems for air and water purification solutions.

Linear Air Diffusers are specialists in commercial grade aluminum linear slot diffusers, linear bar grilles, and custom plenums. They have been manufacturing air diffusion products such as: Air Grilles, Registers, and Diffusers (GRD’s) for over 40 years. Their business model is based on devoted investments with the use of modern robotics manufacturing, 3D rapid prototyping, computational fluid dynamics simulations (CFD), and BIM.

LINKEDGO is a national high-tech enterprise, with over 10 years of experience in the HVAC industry, they focus on the development and manufacture of smart home products including domestic and commercial heat pump, smart thermostats, smart energy center, APP, PC management system and cloud service.

LNEYA Thermal is a Chinese company specializing in ultra-low and high/low temperature chillers and dynamic heating-cooling systems (-152 °C to +350 °C) for industries like semiconductors, data centers, and chemical processes.

Lumi United Technology Co., Ltd. (Aqara) specializes in the design and development of intelligent hardware and software solutions for smart home and corporate applications. Lumi is committed to applying the best industrial design, proprietary low energy consumption know-how, robust IoT software, cutting -dge AI technologies, and unyielding cost savings to provide the premier smart home experience.

M&K Heating and Air Conditioning provides home comfort solutions in London and surrounding communities.

M2S Electronics is a global provider in the design and assembly of electromechanical and electronic integrated systems. They offer personalized solution platforms for HVAC (Smart thermostats, HVAC controllers, equipment power units).