Kalglo Electronics, incorporated in 1969, is a manufacturer of electric radiant infrared heaters, electronic heating and lighting controls, and surge protection equipment. Kalglo is a veteran majority owned small business with product manufacturing based in USA.

Kimre is a reputed name among process engineers, environmental engineers, and production managers as a trusted provider of air cleaning technologies for a wide range of industries like fertilizer, sulphuric acid, and power plants. The emission control achieved by Kimre is often taken as global standards.

Kinetics Noise Control, Inc. is a manufacturer and provider of innovative solutions to control airborne noise, structure-borne vibration, create quiet spaces and restrain non-structural building systems.

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.

Komax Systems, Inc. has led the industry in static mixing technology offering a diverse range of Static Mixers, Steam Heaters, Desuperheaters, and Heat Exchangers. With more than three hundred combined years of fluids-mixing experience, the Komax design team has applied Komax technology to a technical base of over one hundred thousand installations world wide.

KROHNE is a worldwide technological pioneer in the development, manufacture and distribution of accurate, reliable and cost-effective measuring instruments for the process industries. KROHNE focuses on forming partnerships with its customers to provide them with the most reliable and innovative solutions available in the marketplace.

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.

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.

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.

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.

In 2022, the Professional Plumbing Group (PPG) joined the Marcone Group. PPG and its affiliated companies – which have a history stretching back 150 years – design, manufacture, market and distribute high-quality plumbing products and solutions.

Markel Products is a renowned provider of commercial, industrial, residential electric heating equipment, industrial ventilation, controls, industrial lighting, portable air conditioning and portable evaporative cooling solutions.

Manufacturer of round, flat oval, and rectangular HVAC ductwork and related products for commercial, institutional, and industrial applications.

Medford Wellington, the business continuity company, is committed to keeping commercial enterprises running uninterrupted – from restaurants and retail spaces to laboratories and hospitals. Its ecosystem of experts, work in partnership with business owners and facility managers to fix real-time issues as well as plan, construct and manage cutting-edge systems to optimize performance and reduce energy costs.

Mee Industries, Inc. is a high technology company with a proven track record of providing innovative cooling and humidification solutions using the natural power of fog. Fog is a cost effective and environmentally beneficial solution for diverse applications including data center cooling, gas turbine inlet air cooling, HVAC & industrial humidification, outdoor air conditioning, greenhouse climate control and special effects.

Meek Refrigeration Inc. is a full service company specializing in Refrigeration, HVAC, Contracting, and Sheet-Metal/Ductwork. They are experienced in commercial and residential applications and carry a commitment to service and quality workmanship.

Metal-Fab offers the most complete line of chimneys, vents, special vent for condensing appliances, fume exhausts, engine exhausts, and factory-built kitchen ventilation systems available.

Metrex has designed and manufactured innovative Pressure, Thermostatic, Electric and Electro-Hydraulic Actuator valves, as well as, HVAC Water Regulating and Seawater Condenser Regulator Valves. They are the most trusted name in refrigeration and heat transfer solutions in the world.

MFM manufactures FlexClad, a self-adhering jacketing system for waterproofing interior or exterior ductwork and pipes. Easy installation and 10-Year Limited Warranty.

Representing quality HVAC/R manufacturers in Illinois, Indiana, Wisconsin, Minnesota, Dakotas and the UP of Michigan. They also offer warehousing services in 42,000 square foot warehouse in Chicago.

Midwest is a leading wholesale supplier of HVACR equipment and service parts. They mostly serve their Northern Michigan markets.

Mill Creek Heating has been serving the Willamette Valley of Oregon since 2003. They are a family owned and operated business. They care about the family’s comfort, health and safety.

Mitsubishi Electric Trane HVAC US LLC (METUS) is a provider of ductless and VRF systems in the United States and Latin America region. METUS provides innovative products, systems and solutions capable of cooling and heating any application from a home to a large commercial building.

MrPEX Systems is a supplier of radiant heating/cooling, snowmelt, plumbing, pex-al-pex systems. Featuring uniquely flexible PEX-a tubing, manifolds, accessories and controls.

MSA Bacharach is a pioneer in the design, manufacture, and service of combustion gas analysis and refrigeration leak detectors, and monitoring instrumentation. MSA Bacharach products make the heating, ventilation, air-conditioning, and refrigeration (HVAC-R) industry safer, cleaner, and more efficient.

Established in 1914, MSA Safety Incorporated is the global pioneer in the development, manufacture, and supply of safety products that protect people and facility infrastructures. Many MSA products integrate a combination of electronics, mechanical systems, and advanced materials to protect users against hazardous or life-threatening situations.

Mueller Industries provides its customers with the best products, services, and support in the HVAC/R industry. They offer one of the most complete lines of HVAC and Refrigeration products available from a single source.

The modular water chiller was invented by Multistack. It started with a radically simple idea: water chillers made up of modules that could be brought into the equipment room one at a time, through standard doorways and down elevators, to form a fully integrated water chiller system. The modular chiller idea launched a revolution and transformed Multistack into a leader in the commercial water-chiller industry.

NIBCO INC. is a worldwide provider of flow control solutions for commercial, industrial, and institutional construction as well as residential and fire protection markets.