Mart Haller are the worldwide exporters and purchasing agents for all ACR, Appliance and U.S. manufactured equipment.

Martin Brower is an innovative global supply chain leader providing end-to-end solutions for restaurant chains across 18 countries. They are a company with innovation at the core, where ingenuity is continually encouraged and imagination is carefully nurtured. It is a multi-billion dollar company, fueled by constant innovation, enduring customer loyalty and smart acquisitions.

Martin Systems, Inc. is a Wisconsin based systems integrator specializing in integrated security, HVAC systems, fire protection, and life safety. They provide HVAC Systems, Commercial Security, Office Security, Alarm Systems, Camera Surveillance, Access Control, Home Security, Fire Protection, Home Automation, Security Systems, Burglar Alarm, Door Access Control, Fire Alarm, Life Safety, Fire Alarm Inspections, Fire Protection, CCTV solutions.

At Mascot, they are experts in indoor air quality, and offer a complete range of technical and mechanical services to keep retail, restaurant, and commercial HVAC systems running at peak performance – including both 24-hour emergency service and normally scheduled, routine maintenance services.

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.

Maxair has a qualified and experienced team of professional engineers, project managers and field technicians that assure all aspects of heating, cooling and plumbing systems. They make sure the systems are optimized for maximum reliability, up-time and efficiency, while minimizing the associated energy consumption.

Established in 1967, McAleer & Rushe are specialist design & build contractors delivering high-quality buildings across UK & Ireland. They are also Specialist Design & Build Contractors, Developers, Asset Managers, and Investors in multi-sector, mixed-use schemes.

McQuay International delivers engineered, flexible solutions for commercial, industrial and institutional heating, ventilation, and air conditioning (HVAC) requirements with reliable products, knowledgeable applications expertise and responsive support.

For two decades in Colorado, Measurlogic has designed & manufactured an extensive range of AC & DC electrical submeters under the DTS brand product offerings also include supporting AC & DC Current Sensors, and accurate solutions in Maximum Demand Control and Power Conditioning.

MSCA is a renowned organization for HVACR contractors, providing education, marketing, and labor/management services to assure its contractor members deliver quality performance, value and expertise for all building system needs.

Meier Supply is an employee-owned wholesale distribution business with a rich history and family culture. With five distinct divisions, they provide service and support throughout the HVACR community in NY and Pennsylvania.

Meitav-tec one of the companies in the field of intelligent HVAC temperature control. Since its foundation in 1989, Meitav-tec has been providing innovative, tailor made solutions for temperature control. Driven by technological innovation and guided by a veteran, top expertise R&D team, Meitav-tec has an ample experience in the design, manufacture, sale and support of temperature control solutions.

Mekar is a dynamic company strongly oriented to technological innovation, specializing in the design, development and production of units and integrated solutions for air treatment.

For over 30 years, Melink has been executing clean energy solutions for clients worldwide, lowering carbon emissions while increasing building values and raising company profitability.

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.

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.

Michall Daimion Heating & Air Conditioning, Inc. specializes in duct work fabrication, indoor air quality, diagnostics, service, repairs, and routine maintenance.

Mid-City Supply Co., Inc. provides contractors and home-owners with the highest quality Plumbing, HVAC, Refrigeration, PVF, and industrial products. Their well-trained and friendly associates allow Mid-City's Partnership Philosophy to deliver the best value-added services in our markets while maintaining competitive wholesale prices.

Midwest Mechanical Solutions solves problems through applied HVAC solutions. It develops and maintains relationships with Commercial and Industrial Building Owners, Consulting Engineers & Contractors.

Midwestern Mechanical, Inc. with Copper Cottage is an industry-renowned company that offers superior plumbing, heating, air conditioning, and fire protection services. They also handle various heating, air conditioning, and indoor air quality systems including, Furnaces, Boilers, Heat pumps, Thermostats, Air conditioners, Ductless mini-split ACs, Air purifiers, Air cleaners, Humidifiers and In-floor heating solutions.

Mike Mulligan Refrigerants provides HVAC Contractors with customizable R-22 Refrigerant Buyback Programs and Direct Refrigerant Sales.

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.

Miller Manufactured Home Products is a company that estimates, repairs, servicing furnaces, air conditioners and heat pumps. They are also a renowned sellers of HVAC products.

Miller-Weiss-Kruse Inc. is a representative of quality manufacturers to the HVAC/R industry throughout Indiana, Wisconsin, Illinois.

Milwaukee Valve provides valves and actuators for industrial, commercial, fire protection, dry bulk hauling, marine industries, ball, butterfly, gate, globe, check valves, and actuation.

Since 1968, MION & MOSOLE IAI SpA has been developing and designing dust extraction and air purification systems with bag filters, fans, storage silos, extraction systems, pneumatic transport, shredding, refining, energy recovery, deodorization, fume purification, pellet systems, waste treatment plants.

Mitch Craig Heating & Cooling are the renowned Clarksville AC repair and AC installation service professionals. As trusted heating & air conditioner contractors in Clarksville, IN, they have the tools, equipment, and experience to keep the equipment running smoothly all year long in the field of heating and air conditioning. They also service New Albany, Sellersburg, Floyds Knobs, and Louisville, KY, for their furnace repair needs as well!

Mitie’s role in maintaining critical infrastructure is fundamental. From energy to hazardous waste, critical asset maintenance to cleaning, and security to gritting, the services, they provide help keep the UK running.

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.

Mitsubishi Jisho Sekkei is a software solutions, technology and architectural engineering company, based out of Tokyo, Japan. They provide a wide range of services including architectural design, structural engineering, MEP engineering, construction supervision, environmental planning and management, urban planning and design, renovation and building management services.