Klein Tools of professional hand tools and occupational protective equipment, Klein Tools' product line has grown to include virtually every major type of hand tool used in the electrical and telecommunications markets, as well as for aviation, construction, electronics, mining and general industry.

Klimaire has brought value and comfort to homeowners, with millions of units sold in more than 70 countries around the world. The quality of the design and manufacturing of Klimaire products are well-known in the industry. The products are tested in some of the worlds harshest weather conditions.

KMC Controls is an independent American manufacturer of building automation and IoT solutions for system integrators, system distributors, IT providers and OEM partners.

Knauf Insulation manufactures thermal and acoustical glass mineral wool insulation for residential, commercial and industrial applications. They also deal with air duct board, duct liners, duct wrap, and pipe insulation.

Koch Filter is a manufacturer of air filtration products for commercial, industrial, hospital, gas turbine and paint filtration applications. Koch Filter is recognized globally for its premier brand of high efficiency air filtration products.

Koger Air Corporation is a family-owned and operated business specializing in the design, manufacturing, installation and ongoing service of industrial pneumatic and material-conveying systems. They offer a complete line of industrial sheet metal components for sheet metal shops, contractors and resellers. The experts design, build, install and service heavy-duty industrial air moving systems for dust-producing industries throughout North America

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.

Krueger is a manufacturer of air distribution solutions, delivering quality, innovative products and providing first-class customer service to the HVAC industry. They offer grilles, registers, terminal units, fan coils, blower coils, diffusers, underfloor products, critical room products, fan filter units, displacement ventilation, and chilled beams.

Kurt Schlieckau Heating & Cooling LLC, as the premier HVAC expert, they are now offering professional and timely sales, services and installation services for residential, commercial and industrial customers.

As one of the HVAC servicing companies in West Michigan, Lamphear Service Company specializes in offering high-quality heating and cooling repair, installation and mechanical services to residential and commercial clients.

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

Layton Manufacturing Corporation is a renowned provider of Computer room A/C units, school room Class AIRE units (VUV's) environmental controls, humidification, industrial and commercial HVAC products in the New York State of USA.

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.

Marlo is a manufacturer of Modular Air Handling Units (AHU’s), Cooling, Heating, Steam, DX (refrigerant) coils, shell & tube heat exchangers and various equipment for the Military.

LG Electronics USA Inc. is a renowned manufacturer of ductless heat pumps (single and multi zone), VRF, PTACs, windows, dehumidifiers, water source heat pumps, air conditioners, ventilation products, refrigeration products and smart home solutions.

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.

The mission of Linc Service has been to provide preventive HVAC and energy solutions to commercial, industrial, and institutional buildings. Our goal is to make buildings more efficient, safe, and sustainable.

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.

Linx Industries, a division of DMI Companies, is North America’s leading manufacturer of commercial HVAC ductwork and fittings. Linx Industries provides the construction market with residential, commercial, and industrial air distribution solutions. Linx operates from its manufacturing hub in Portsmouth, Virginia

Littelfuse is an industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 15 countries, and with 19,000 global associates, they partner with customers to design and deliver innovative, reliable solutions.

Lizard Monitoring was formed to simplify and automate data collection, aggregation, and trend analysis of data in physical infrastructure. They provide complete visibility and audit trail to the cold chain for food and pharmaceutical products, in manufacturing, distribution and retail.

LM Air Technology is a manufacturer of Polypropylene fumehoods, laminar flow wet process workstations, casework, hardwall/softwall cleanrooms and fan filter modules.

Manufacturer of high quality sheet metal pipe, duct and fittings selling to the wholesale HVAC industry since 1964 with four manufacturing locations in Ohio, NC, WI and NE serving over 29 states and Canada.

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.

Lynxspring embraces open software and hardware platforms and develops, manufactures and distributes edge-to-enterprise solutions and IoT technology for today’s intelligent buildings, energy management systems, equipment control and specialty machine-to-machine applications. They provides total Niagara based control strategies and solutions to OEMs.

The Ma-Line Division of Monti and Associates Inc. provides access to specialized products for wholesalers in the HVAC/R industry. The MA-Line prides itself on maintaining the highest level of customer service.

Madison Industries is a globally-renowned mechanical engineering, HVAC equipment and industrial automation solutions firm conglomerate based out of Chicago, Illinois, USA. The conglomerate believes and strives in providing a safer and healthier world, with state-of-the-art electronics, HVAC equipment, home and building automation systems that are energy efficient and cost effective.

Magic Aire is an independent manufacturer of Heating, Ventilation, and Air Conditioning (HVAC) components, fan coils, air handlers, and unit ventilators. The company sets the industry benchmarks for on-time delivery, ease of doing business and lowest warranty rates.

The Mammoth brand has been creating a comfortable indoor climate for both industrial and commercial customers. Mammoth manufactures custom commercial products that include factory-packaged rooftop systems, pre-fabricated mechanical equipment rooms and direct replacement rooftop units. All of these different products strive to improve air quality and reduce operating costs.