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.

MSI Mechanical Systems Inc. is a full-service mechanical contractor and facilities service provider for commercial, industrial & retail projects. Their services include commercial HVAC systems and maintenance, data centers, hot water piping, HVAC, service and maintenance, HVAC duct work, etc.

story - Dave Tremain, founder, started designing and manufacturing pumps in 1965 under the name, MH Tool Company. In 1972, Dave added the ‘T’ for his last name, Tremain, and the business became incorporated as MTH Tool Company, Inc.

Mueller Europe is based in the United Kingdom where they manufacture and distribute copper tube for plumbing, heating, and industrial applications under the Wednesbury and Yorkshire brands. They also distribute air-conditioning and refrigeration copper tube under the Mueller brand.

Mueller Refrigeration is a pioneer in the design and manufacturing of premium-performance valves, protection devices, and brass fittings for various OEM customers in the commercial HVAC/R industry.

Mulcahy Company is a manufacturer representative principally serving the heating, air conditioning, and plumbing industries. Mulcahy represents companies who manufacture a variety of products required by these industries, such as centrifugal pumps, boilers, cooling towers, filtration systems, heat exchangers, tanks, piping systems, valves, instruments, motor control devices, solar energy and much more.

Multi-Wing America specializes in designing custom engine cooling fans, radiator fans, HVAC fans, and refrigeration fans in the U.S., Canada and Mexico. Multi-Wing America’s engineering staff can customize an axial fan solution for virtually any air-moving application.

Multicyl® cylinders are a patented brand of air over oil presses used for a variety of metalworking applications such as hole punching, notching, shearing, tube piercing, assembly and metal joining.

Munier Heating and Cooling, LLC. provides heating and cooling solutions and is based out of the USA.

Munters manufactures products that economically control humidity and temperature, provide energy recovery, and/or utilize direct or indirect evaporative cooling for comfort, process and environmental protection.

Muse Heating & Air Conditioning provides solutions like Cooling, Heating, Indoor Air Quality, Thermostats, etc, and is based out of the USA.

At Must Air USA, they provide solutions like Air Conditioning Repair, Installation, etc, and is based out of the USA.

MWSS, Inc. is a national distributor specializing in business development within the Recreational Vehicle industry. Their warehouse is located in Elkhart, IN and stocks RV Ready products manufactured by GE Appliances. They offer customers an experienced staff of Sales, Service & Delivery personnel that understand the needs and processes of RV manufacturing and how GE Appliances is helping deliver reliable appliances to those in the Recreation

At My Guy HVAC Heating and Air Conditioning, they provide solutions like Heating, Cooling, Indoor Air Quality, Thermostats, etc, and are based out of the USA.

Myers Mechanical Solutions, LLC intends to offer the best heating and cooling solutions for clients. Their firm was commenced in 1999 to offer industrial/commercial HVACR services.

NAFFCO was founded in Dubai, UAE to become the world's leading producer and supplier of life safety solutions. By recognizing the importance and convenience of having easy access to multiple safety services, we became specialized by offering complete solutions under one roof for all types of high-quality firefighting equipment, fire protection systems, fire alarms, addressable emergency systems, security systems, and custom-made vehicle.

Nanjing Aotecar Refrigerating Co. Is a manufacturer specialized in R&D as well as production for automotive Ac compressor, with the annual production capacity of 4 million sets. Besides DaMing factory and JiangNing factory, Aotecar has invested two big and new production base in 2012, which distributed at Chuzhou in Anhui and Longquan in Zhejiang.

Napoleon Heating & Cooling is a manufacturer of industry products that are built with quality components for quiet, reliable operation. Their products range from gas and hybrid furnaces, ductless and central heat pumps, air handles, in heating to central and ductless air conditioners, central and ductless heat pumps, air handler in cooling. Their products also include indoor air quality, thermostats and commercial products.

Nardco Heating and Air Conditioning was established in 1961 and has provided residential and commercial HVAC installation and maintenance services. They are best known for their installation services and focus on helping their customers install the most energy-efficient furnaces and air conditioners.

NATE is a nonprofit certification organization for heating, ventilation, air conditioning and refrigeration (HVACR) technicians. They provide service and installation certifications in: air conditioning, air distribution, air-to-air heat pumps, gas furnaces, oil furnaces, hydronics gas, hydronics oil, light commercial refrigeration, commercial refrigeration, ground source heat pump loop installer, and HVAC efficiency analyst.

Nathan Star Technical Services LLC (NSTS) is the best among MEP contracting companies in Dubai and HVAC companies in UAE managed by a team of highly qualified and well experienced professionals. We provide fast-track DEWA contracting, mechanical services in Dubai, air conditioning and heating services, industrial air conditioner repairing servicing as well as offer plumbing and electrical installations in UAE.

NADCA is an international association of over 1,200 companies that provide HVAC inspection, maintenance (i.e., cleaning) and restoration services. NADCA offers standards, specifications, specialized training and certification for industry professionals.

NAEIR is a national nonprofit organization that takes in donations of excess inventory and redistributes those goods to schools and nonprofit organization.

The National Board of Boiler and Pressure Vessel Inspectors was created in 1919 to promote greater safety to life and property through uniformity in the construction, installation, repair, maintenance, and inspection of pressure equipment.

National Center for Construction Education and Research (NCCER) is a not-for-profit education foundation created in 1996, as The National Center for Construction Education and Research. NCCER develops standardized construction and maintenance curriculum and assessments with portable credentials.

National Comfort Institute, Inc. (NCI) is an organization that provides heating, air conditioning, plumbing and electrical contractors with a focused offering of services and tools to help them improve their businesses, differentiate themselves, grow, and become more profitable. NCI accomplishes this through membership groups and by providing unique business management, sales, marketing and technical tools, training, support and coaching.

NCE is a supplier of new and remanufactured air conditioning and refrigeration compressors for commercial, industrial and transportation applications.

An ANSI-accredited Standards Developing Organization, the National Electrical Manufacturers Association (NEMA) gives members a competitive edge in today's rapidly changing marketplace by expanding market opportunities, acquiring exclusive business intelligence, removing market barriers, building supply chain connections, and harnessing innovation.

The National Environmental Balancing Bureau (NEBB) is the premier international association of Certified Firms that perform Building Systems Commissioning, Building Envelope Testing, Cleanroom Performance Testing, Fume Hood Testing, Retro-Commissioning and much more!