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.

Mason Industries Inc. manufactures a complete line of vibration control products, including pads, mountings, hangers, rubber and stainless steel expansion joints for piping, seismic and shock control products.

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.

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.

Gas pressure regulators; electronic gas flame modulation systems, shut-off valves, manual gas ball valves and gas combination controls.

Heating and cooling products for residential and light commercial industries, including the 25.5 SEER iQ Drive air conditioner and heat pump.

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

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.

Met One Instruments Inc. provides reliable, affordable, precision instrumentation for monitoring ambient and indoor air quality.

Metal Form Manufacturing, Inc designs and manufactures ventilation, security and sound reduction solutions. Their products also include louvers, dampers, gravity vents, security grilles, acoustical louvers, roof curbs, air washer, pre-coolers and evaporative coolers.

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.

At Metal Form Manufacturing Company their capabilities include the analysis, distribution and manufacturing of a wide range of Air Control, Sound Control and Evaporative Cooling Products for Commercial, Industrial, Institutional and Residential applications.

Metro Heating & Cooling is a family owned and operated HVAC Company in St. Paul, MN. They have been providing the highest quality of air conditioning and heating repairs, installations and products to both residential and commercial customers. They are licensed, insured and bonded.

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.

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

Miami Heating & Cooling is a full service heating and air conditioning company that specializes in fulfilling HVAC needs of both residential and commercial 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.

Middleton Heating & Sheet Metal, Inc. is a family owned and operated heating & air conditioning company that has served Corvallis and its surrounding areas for over 64 years. During this time, they have provided the finest heating and cooling products and equipment lines available, along with the highest level of experience and service to complement those products.

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 Tool, manufactures tradesman quality hand tools for the HVAC/metalworking market. As a pioneering innovator and manufacturer of metal cutting snips and specialty hand tools. Midwest has developed and owns numerous product design and utility patents that enhance Midwest product performance.

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 Derrick A/C & Heating Co., Inc., is a locally owned and operated HVAC company. Since its inception in 2005, they have focused on residential solution and installations. They have installed systems in new construction, fire restorations, and home renovations, and now they service all brands.

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 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-Leaman, Inc. was founded in 1991 by Bill Miller, Marty Shuster and Robert Leaman. With over 28 years of experience in manufacturing filtration products for our customers, Miller-Leaman, Inc. has the know- how and credibility to deliver the right product.

Mineral-Right provides the most effective water treatment media for softening, neutralizing, and filtering out challenging minerals in water. Crystal-Right’s performance is proven in its ability to filter, soften, and neutralize water—it sets the standard in water treatment.

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.