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.

JLL is a renowned services firm that uses the most advanced technology to create rewarding opportunities, amazing spaces and sustainable real estate solutions for customers.

John E. Green Company is a USA based company known to provide fire suppression and service contractors. They work on various Piping, Process Piping, Plumbing, HVAC, Service and Fire Suppression projects.

Based out of Italy, KAER is a globally renowned provider of HVAC solutions, including Ventilation System, Air Conditioners and Air Handling Units.

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.

Kelvion is one of the global manufacturers of heat exchangers and have been providing solutions for almost every industrial application imaginable since the 1920s. Their products include Compact Fin Heat Exchangers, Plate Heat Exchangers, Single Tube Heat Exchangers, Transformer Cooling Systems, Cooling Towers and Shell & Tube Heat Exchangers.

For over 30 years, KKT chillers has been developing and producing energy-efficient chiller solutions for customers’ medical and industrial applications. In doing so, KKT chillers encounter interesting projects and meets a great variety of requirements and demands. The sites at which the facilities are put up prove to demonstrate that all solutions are made to stand extreme climatic conditions.

Klimagiel, for over 30 years in the air conditioning sector, produces metal and textile ducts for air distribution. Particularly suitable for any sector, the Klimagiel diffusers allow a uniform distribution of the air, hot or fresh, obtaining maximum environmental comfort.

KLLM Transport Services is one the largest temperature-controlled carriers in the nation providing a suite of solutions to serve the supply-chain needs of their valued clients. KLLM’s fleet is one of the most advanced on the road currently and offer a variety of refrigeration and load tracking capabilities.

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.

Kraton Corporation is a global producer of styrenic block copolymers, engineered polymers and chemicals derived from pine wood pulping co-products that are used to enhance the performance of end-use products that touch our daily lives. Their coatings are used in multiple industries.

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.

LaReg Corp. is a technology and consulting company. Its mission is to use AI as a transformative force to reduce the burden of participating in utility regulatory proceedings. The company offers better access, enhanced productivity, and new insights for increased regulatory performance. LaReg Corp is a WBE-certified small business working on technical tools, such as a docket tracker and fine-tuned large language models.

Lavimoniere Plumbing Heating & Air LLC specialize in HVAC service and repair, and their expert team will arrive with parts readily available in the truck so residents don't have to worry about waiting on routine parts to be shipped. Fully licensed, Lavimoniere Plumbing Heating & Air LLC has been serving the Greater New Bedford Area for over 32 years.

Computer room A/C units, school room ClassAIRE units (VUV's) environmental controls, humidification, industrial and commercial products, HVAC/R.

Leanheat is a renowned developer of artificial intelligence solutions for district heating management and building automation. The smart solution is powered by Internet of Things and Artificial Intelligence. Leanheat ensures stable indoor conditions, makes building maintenance predictive and efficient and at the same time saves heating energy.

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.

Lendlease is a globally integrated real estate and investment group with core expertise in shaping cities and creating strong and connected communities. They create award-winning urban precincts, new communities for older people and young families just starting out, retail precincts, and work places to the highest sustainability standards.

Lennox is a renowned global provider of innovative climate control solutions for heating, ventilation, air conditioning, and refrigeration (HVACR) markets. They've combined the industry’s most inclusive set of business services with a comprehensive portfolio of energy-efficient, high-performance HVAC systems that meet the needs of customers, employees and clients.

Lennox Commercial is a leading provider of high-efficiency packaged rooftop units, VRF, split systems, HVAC controls, furnaces and IAQ products for the light commercial industry.

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.

Levergy provides digital marketing that helps plumbing, HVAC, and home service companies grow. Get more attention online. Get more jobs on the board. Get more bang for your marketing buck.

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.

At Longoni Engineering S.r.l., for over 85 years they have been offering their customers maximum reliability in the production of finned tube coils, tube bundle exchangers, unit heaters, coils, electric exchangers, finned tubes. Their products are used by the Italian and foreign market for industrial applications. Since 1931 the reference point for the Italian and foreign market.

Low Voltage Group (LVG) are renowned providers of commercial electrical, security and communications services in St. Charles, Missouri, USA.