Lennox Commercial is a leading provider of high-efficiency packaged rooftop units, VRF, split systems, HVAC controls, furnaces and IAQ products for the light commercial industry.

A global leader in industrial automation systems, manufactures drives and motion control components for the automotive, packaging, material handling, robotics, and commercial equipment industries (pumps/fans).

LightFi are renowned manufacturer of pressure gauges, low pressure DP static and velocity transmitters, switches, handheld calibrators and temperature indicators. They aim to enable commercial spaces to save on energy and create healthy efficient workspaces through the use of real time occupancy data, integrated with the building management system.

The mission of Linc Service has been to provide preventive HVAC and energy solutions to commercial, industrial, and institutional buildings. Our goal is to make buildings more efficient, safe, and sustainable.

Linear Air Diffusers are specialists in commercial grade aluminum linear slot diffusers, linear bar grilles, and custom plenums. They have been manufacturing air diffusion products such as: Air Grilles, Registers, and Diffusers (GRD’s) for over 40 years. Their business model is based on devoted investments with the use of modern robotics manufacturing, 3D rapid prototyping, computational fluid dynamics simulations (CFD), and BIM.

Linear Labs, a smart electric motor company based in Fort Worth, Texas, created an entirely new and versatile electric motor system design that will redefine mobility (ie electric vehicles), HVAC systems and robotics.

Local Air Conditioning & Heating, LLC is a licensed contractor providing reliable HVAC maintenance, repair, and replacement services. Environmental Protection Agency (EPA) certified, they uphold safety and responsibility in every work that they do. They are a class A license holder in the heating and air conditioning industry, they specialize in all systems from residential to commercial.

Lochinvar is the producer of energy-efficient water heating solutions that are radically simple, brilliantly engineered and perfectly suited for most any application. They focus solely on serving the unique needs of each customer with a product portfolio including boilers, water heaters, pool heaters, cogeneration products and commercial package systems.

Loren Cook Company is a pioneer in the design and manufacturing of fans, blowers, gravity vents, laboratory exhaust systems, and energy recovery ventilators. Their products ventilate institutional, laboratory, commercial and industrial facilities worldwide.

LouisianaGroup offers premier sales representation to all sectors of the HVAC and Refrigeration markets throughout the state of Louisiana. AccountManagers are dedicated to customers' needs and are supported by market and sales specialists.

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.

Low Cost Air Conditioning and Heating Repair and Services LLC offers viable solutions to its customers. Based in Whittier, CA, they provide a wide variety of refrigeration & HVAC repair, installation, maintenance, and inspection services.

Lute Supply, a multi-state multi-branch wholesale distributor of plumbing, HVAC, kitchen, bath, and hardware had our humble beginnings in a small garage in Portsmouth, Ohio in 1952

M&M Refrigeration is the most experienced CO2 refrigeration company in the Americas. M&M has designed, manufactured, installed, and serviced refrigeration systems for 50 years—they literally have hundreds of industrial refrigeration systems around the world.

MacDonald-Miller Facility Solutions is the top choice, full-service, design-build, mechanical contractor in the Pacific Northwest. Whether you simply have a service call, or are planning a 40-story office building, we have the right team of system experts – for you and your buildings’ needs. We offer smart building services such as Plumbing, Electrical and Lightening, and HVAC maintenance.

MacLellan Integrated Services provides critical process cleaning services, process equipment and robotics maintenance, production line side support, sludge and wastewater management, HVAC and mechanical services and general facility maintenance. Their work environments include automotive, aerospace, and general industrial applications.

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.

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.

At Mar-Hy Distributors, they are wholesale specialists when it comes to heating and cooling. They help customers succeed by providing cutting edge products, OEM parts, monthly training, and industry experience to help find the right solution for their customers.

Distributor of manufacturers for HVAC industry requirements among others

Marvair is an ISO 9001:2015 certified diversified manufacturer of self-contained heating, ventilation and air conditioning products for telecommunication buildings, school classrooms, commercial/industrial structures and for the marine industry. Marvair falls under the Airxcel banner.

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.

McCarty Bros. Inc. has been in the business of maintaining HVAC systems in the Chicagoland area for over 70 years. They do know a thing or two about it. They have service maintenance customers who have been with us for over 50 years.

The Mechanical Contractors Association of America (MCAA) serves the unique needs of approximately 2,600 firms involved in heating, air conditioning, refrigeration, plumbing, piping, and mechanical service.

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.

Mesaba Heating, A/C and Plumbing is the one stop shop that provides complete HVAC and plumbing services in Hibbing, MN. They endeavor to provide the best service possible to the clients.

METALFLEX has grown to become a nationwide company, serving the HVAC, plumbing, utility, industrial, food, oil and petrochemical industries, with 100% of our design, engineering, and manufacturing facilities done within the U.S.A.