Lovazzano is a mechanical HVAC contractor specializing in Multi-family construction. They Design build of apartments, student housing, senior living, and hospitality. They are based out of the San Francisco bay area, serving Northern California.

Bonomi USA, Inc., whose offices and warehouse is located in Rock Hill, South Carolina, is the direct factory contact for all Bonomi Group products for the United States. This would include Rubinetterie Bresciane Bonomi brass ball valves, fittings, press ball valves, butterfly valves, gas ball valves and check valves, Valpres carbon and stainless steel ball valves, and Valbia automation products.

Made’s Plumbing offers one-stop shop for quality plumbing services in Arlington, Texas, USA. They are a local plumbing services provider, offering clients with professional services that go beyond their expectations. From plumbing repairs to replacements, their team of licensed plumbers is ready to render assistance.

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.

Malco Products SBC is a US-based manufacturer of specialty hand tools, fasteners, accessories, zip ins and other HVAC tools.

Established in 1989, Malek Service Company has been a trusted provider of residential and commercial plumbing and HVAC services in College Station and Central Texas for over 30 years. Their team of experienced and licensed technicians offers a wide range of services, from air conditioning repair and heater maintenance to comprehensive plumbing solutions. They specialize in air conditioning, heating, plumbing, and electrical services.

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.

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

For over 36 years Mastercool has been supplying professional quality air conditioning service tools and equipment. As one of the fastest growing companies in this market, our primary goal is to drive New Product Innovation and Technologies to make the every day work of the HVAC/R technician easier. Complete line of HVACR service and installation tools.

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

Manufacturers of the innovative Metraloop expansion joint for thermal/seismic movement, Cablesphere, SDF and VaneFlex flow conditioning connectors, Metraflex makes a variety of engineered piping products.

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.

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.

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.

Midco International Inc. provides gas residential, commercial, industrial burners. They are an ISO 9001 certified company, and design, manufacture and assemble products in Chicago, Illinois, USA.

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

Since 2015, Midwest Supply has been providing exceptional products at reasonable prices, with unmatched quality service. They have experience, product expertise, and the industry insight needed to achieve success at every phase of the project.

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

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.

MKS Instruments, Inc is a pioneer in technology solutions for the markets they serve. They make the instruments, subsystems and process control solutions that enable their customers to measure, control, power, monitor and analyze the critical parameters of the advanced processes that they manage.

Moffitt Corporation specializes in Natural Ventilation Solutions with a focus on the Industrial and Commercial Markets. They offer full turn-key service (design, manufacturing, and installation) to take the project from inception to completion. They work with contractors, plant managers, maintenance teams, and health & safety professionals to ensure the best ventilation solution is provided for their facility.

Mor Air Inc. offers AC repair in North Hollywood, San Fernando Valley, and Los Angeles regions in California, USA. They aim to be recognized as trusted experts in heating, cooling, and air quality. Their services include air conditioner repair, furnace repair, and heater repair. They handle residential and commercial HVAC needs, including AC plumbing, heating, and installation. Trust them for all heating and air conditioning solutions.

Motion Industries is an American distributor of industrial parts and industrial technology solutions headquartered in Birmingham, Alabama, USA. From automation to inventory management to parts repair and fabrication, Motion Industries' many services are key to keeping their customers' sites running at maximum efficiency.

MrPEX Systems is a supplier of radiant heating/cooling, snowmelt, plumbing, pex-al-pex systems. Featuring uniquely flexible PEX-a tubing, manifolds, accessories and controls.

Mueller Industries provides its customers with the best products, services, and support in the HVAC/R industry. They offer one of the most complete lines of HVAC and Refrigeration products available from a single source.

Mueller Refrigeration is a pioneer in the design and manufacturing of premium-performance valves, protection devices, and brass fittings for various OEM customers in the commercial HVAC/R industry.

Multi-Wing America specializes in designing custom engine cooling fans, radiator fans, HVAC fans, and refrigeration fans in the U.S., Canada and Mexico. Multi-Wing America’s engineering staff can customize an axial fan solution for virtually any air-moving application.

N & S HVAC provides customers with the finest selection of quality plumbing, heating and HVAC products, at affordable prices.

NCE is a supplier of new and remanufactured air conditioning and refrigeration compressors for commercial, industrial and transportation applications.

The Occupational Safety and Health Act of 1970 established NIOSH as a research agency focused on the study of worker safety and health, and empowering employers and workers to create safe and healthy workplaces. NIOSH is part of the U.S. Centers for Disease Control and Prevention, in the U.S. Department of Health and Human Services. It has the mandate to assure “every man and woman in the Nation is safe and in healthy working conditions.