Marston Holdings offer integrated technology-enabled solutions from design and implementation to management and recovery, supporting the government, utilities and private sectors.

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.

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.

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

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.

At Mechanical Services Inc., they provide solutions like heating, cooling, indoor air quality, etc, and is based out of the USA.

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.

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.

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.

Metro Express Service has been serving the North Texas area with pride as one of the residential and light commercial HVAC service companies in the Dallas Fort Worth area ever since.

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

With their headquarters in Jonesboro, Arkansas and six other locations throughout the State, MSS sells diesel fuel, gasoline, aviation fuel, motor oils, hydraulic oils, gear lubricants, greases, etc. to a wide variety of industries, farmers, implement dealers, manufacturing companies, municipalities, car dealerships, oil change shops, tire stores, and trucking companies make up a portion of the large customer base.

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

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

Mikrofill is an innovative UK designer and manufacturer of commercial condensing boilers, hot water loading systems, dosing pots, pressurization equipment & the new Velocity booster set range. Customers can expect nothing but the best product, using the latest technology manufactured to the highest quality standards, resulting in the most reliable solution available.

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.

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

Mitchell & Sons Heating & Cooling Inc. is a family-owned and operated business. Originating in Des Moines, Iowa around 1900, it branched out to Ottumwa, Iowa in 1946. Handed down from generation to generation, they have been a mainstay in Ottumwa and Southeast Iowa ever since.

Minority owned firm that has been doing business in Indianapolis area since 1978 with 30 years of experience in refrigeration, heating and air conditioning installation, repair and service.

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.

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.

At MMT Heating & Cooling, they provide solutions like Heating and Cooling, Air Conditioning, Indoor Air Quality, Thermostats, etc, and is based out of the USA.

Modern Air Solutions provides the skilled and dedicated services to maintain a healthier, more comfortable indoor residential or commercial space while saving you time and money. The company provides solutions like Air Conditioner Services, Heating Service, Indoor Air Quality, etc, and is based out of the USA.

Modern Day Comfort, Inc. is into Heating and Cooling solutions and is based out of the USA.