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.

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.

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.

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.

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.

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

Nederman is an environmental technology company and a global pioneer in industrial air filtration dedicated to capturing, measuring, controlling, and cleaning air to make industrial production more efficient, safe, and sustainable. Based on industry-pioneering products, solutions, and services in combination with an innovative IoT platform they deliver knowledge and facts needed to optimize performance and guarantee emissions compliance.

Neoperl is a manufacturer of faucet aerators, check valve cartridges, insert flow regulators, faucet attachments, laminar devices, sprays and adapters.

Newby & Son Heating & Cooling Inc. is a licensed, bonded and insured firm committed to offering HVAC services with an edge. They have been assisting residential and light commercial firms since the inception. We are also the members of Better Business Bureau. We install and service HVAC equipment such as water heaters, whole house air cleaners and humidifiers.

NIBCO is a recognized manufacturer of valves, fittings and flow-control products that cater to the comfort and requirement of customers. NIBCO products portfolio includes balancing and control valves, fittings, industrial plastics and systems, push systems and PEX/PE-RT flexible piping systems.

NIBCO INC. is a worldwide provider of flow control solutions for commercial, industrial, and institutional construction as well as residential and fire protection markets.

Niles Steel Tank is a fabricator of shop built ASME Code pressure vessels and steel tanks for all industries. They provide quality products to OEM’s, engineering & procurement companies, and facility management firms. Industries served range from refineries, military, chemical plants, aerospace, press equipment manufacturers, boiler manufacturers and many others

As a manufacturer of duct products for environmental filtration systems, Nordfab Ducting are proud to help supply clean air for workers and equipment in workplaces of all sizes and types. Their ducting is an integral part of dust, mist, and fume collection systems around the world.

Oatey operates a comprehensive manufacturing and distribution network to supply thousands of products for professional builders, contractors, engineers and do-it-yourself consumers around the world.

Since 1975, OmegaFlex has been supplying quality-engineered flexible metal piping products that meet highly-engineered industrial, residential, and commercial applications. They provide flexible metal hose products, vibration absorbers, flexible gas piping, (CSST-Corrugated Stainless Steel Tubing for residential, commercial, and industrial applications); flexible piping.

Overly Hautz Motor Base manufactures and designs the world's most complete line of motor mounting products. They also provide Adjustable motor bases, conversion bases, pivoting and automatic motor bases.

Palmer Instruments are the manufacturers of custom-engineered RTDs and thermocouple sensors, thermowells, industrial digital, bimetal, infrared and dial thermometers, chart recorders, temperature recording labels, RTD and thermocouple meters.

Parker Hannifin Corp. provides system protectors, valves and controls for industrial, supermarket, appliance, commercial, residential and mobile air conditioning and refrigeration applications. They provide Signature brands include Sporlan, R/S, HERL, Micro Thermo Technologies.

The world comes to Patterson for enhancing safety and comfort in HVAC and fire suppression technology, for meeting pumping demands in water supply, irrigation, flood prevention and wastewater treatment and for industrial solutions to liquid transfer and process heating or cooling needs.