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.

Maitz Home Services is listed as an essential business and are OPEN. They take extraordinary precautions to assure the safety of the employees and the clients.

At Malek Service Company, they recognize the urgency of resolving home service issues promptly and effectively. Their skilled technicians serve around the clock, ensuring swift and dependable solutions. Malek Service Company has been dedicated to serving the College Station area for an extended period, establishing a renowned reputation for excellence and dependability.

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.

Marley Cooling is a globally renowned manufacturer of fluid coolers, cooling towers, fans, cooling tower components, cooling systems, media filters and evaporative cooling technologies.

Marley Engineered Products, LLC provides comfort heating, cooling and ventilation solutions for commercial, industrial, and residential use. The product brands include QMark, Berko, Fahrenheat and Leading Edge. The company's products inventory includes commercial, industrial and residential electric baseboard, unit, wall, radiant and portable heaters, inline and whole house ventilation, industrial and commercial ceiling fans, air curtains.

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

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.

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.

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.

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.

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.