Paull’s Air Conditioning, they combines design excellence with practical efficiency. By careful structuring of the company, they have reduced overheads, and thus reduce costs.

M&M Refrigeration is the most experienced CO2 refrigeration company in the Americas. M&M has designed, manufactured, installed, and serviced refrigeration systems for 50 years—they literally have hundreds of industrial refrigeration systems around the world.

MacLellan Integrated Services provides critical process cleaning services, process equipment and robotics maintenance, production line side support, sludge and wastewater management, HVAC and mechanical services and general facility maintenance. Their work environments include automotive, aerospace, and general industrial applications.

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.

Maico Gulf L.L.C provides innovative technology, high quality and excellent design products such as Car Park Ventilation Systems, Air Handling Units, Smoke Ventilators, Energy Recovery Ventilators, Dynamic Industrial Fans and Elicent Domestic Range Fans.

Mammoth Fans is proud to introduce a new series of fans that are set to revolutionise commercial cooling. The Mammoth Fan range features world class Permanent Magnet Synchronous Motor (PMSM) technology and precision-led aerodynamic design in Mammoth proportions.

Marvair is an ISO 9001:2015 certified diversified manufacturer of self-contained heating, ventilation and air conditioning products for telecommunication buildings, school classrooms, commercial/industrial structures and for the marine industry. Marvair falls under the Airxcel banner.

MasTec Network Solutions is fully qualified and staffed to handle upgrades and maintenance on HVAC, generators, power plants and batteries. MasTec Network Solutions has performed tens of thousands of site & shelter inventories, site inspections and tower mappings.

Masterflow is an expert at solving the fluid problems facing design engineers. They’ve been proudly supporting the Australian building industry for over 20 years. Their capabilities range from pioneering engineering solutions, consultation, product supply, installation, maintenance and repairs.

Matrix is the technology services company in Israel, with 10,820 employees worldwide. Since its foundation in 2001, Matrix has made more than 100 mergers and acquisitions and has executed some of the largest IT projects in Israel. The company specializes in the implementation and development of leading technologies ,software solutions and products, providing its customers with infrastructure and consulting services.

McCarty Bros. Inc. has been in the business of maintaining HVAC systems in the Chicagoland area for over 70 years. They do know a thing or two about it. They have service maintenance customers who have been with us for over 50 years.

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.

Megatherm deals in Metal Heating and melting Equipment and possesses the strength to meet Thermal Challenges through Induction.

Mesaba Heating, A/C and Plumbing is the one stop shop that provides complete HVAC and plumbing services in Hibbing, MN. They endeavor to provide the best service possible to the clients.

METALFLEX has grown to become a nationwide company, serving the HVAC, plumbing, utility, industrial, food, oil and petrochemical industries, with 100% of our design, engineering, and manufacturing facilities done within the U.S.A.

Metaltherm HVAC is a pioneer in design, installation and products for air conditioning, ventilation and exhaust in commercial and industrial segments. They are specialized in solutions for services and products for air conditioning, ventilation and exhaust, serving throughout the national territory in various industrial and commercial segments.

MetroTech has provided HVAC solutions leveraging a technology-enabled modern work order management system throughout the US since 1986. MetroTech Service Corporation is a privately held HVAC service company providing preventive maintenance, emergency service repairs, and HVAC design/installation services to prominent multi-site commercial and retail customers across the United States.

Meyer Machine Supply & Equipment LLC is a renowned US-based manufacturer of electric and gasoline powered vacuums for air duct and dryer vent cleaning, as well as a complete line of supplies.

Micek Heating & Air LLC is a local heating and cooling specialists based in Omaha, NE. They are bonded, insured and committed to providing the best possible service to the customers.

Michiana Heating & Air Conditioning Inc., is the trusted HVAC company that fulfills home comfort needs. From tailoring the perfect heating and cooling system installation to solution and repair, they are confident that they can exceed the expectations.

Micro Matic is dedicated to providing world-class beverage dispense equipment and solutions by focusing on unparalleled product quality and testing, on-time delivery, and world-class customer service.

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

Mike’s Bremen Service has merged with Comfortmate Heating and Air. Both family-owned companies are well versed to install and service all heating and cooling equipment, as well as most appliances. They look forward to continuing to serve all customers heating, cooling, and appliance repair needs.

Milestone is a pioneer in home services across the DFW area. They provide same day electrical repairs, plumbing, drain cleaning, HVAC installations, window cleaning, security installations and more.

As the southeast’s distributor of heating, cooling and ventilation products, Mingledorff's work closely with exclusive brands such as Carrier, Bryant, Heil, and more.

Mitsubishi Electric Automation, Inc. is a U.S. affiliate company of Mitsubishi Electric Corporation. It offers a broad product portfolio including programmable automation controllers (PAC), programmable logic controllers (PLC), human-machine interfaces (HMI), variable frequency drives (VFD), servo amplifiers and motors, control software, computerized numerical controllers (CNC), motion controllers, robots, low-voltage power distribution products,

Mitsubishi Heavy Industries, Ltd. delivers innovative and integrated solutions across a wide range of industries from commercial aviation and transportation to power plants and gas turbines, and from machinery and infrastructure to integrated defense and space systems.

Modern Refrigeration Services is the premier HVAC company that provides dependable HVAC services in Houston, TX. They have gained the customer’s trust through the dedication, hard work and quality & courteous service.

Modine is one of the most trusted names in the HVAC manufacturing industry. They serve a variety of markets, providing residential HVAC, geothermal heating and cooling, commercial rooftop HVAC systems, classroom HVAC and more. Along with heating and cooling systems.

At Modutherm, they offer a wide range of efficient and powerful heating solutions, from the best-performing HIU on the market, the MTA Plus Twin, to the powerful AW Monobloc air source heat pumps. Paired with commercial gas or electric boilers, as well as large-scale buffer vessels and calorifiers, Modutherm can provide a complete package for the next heat network project.