Illinois Tool Works (ITW) is a Fortune 200 global multi-industrial manufacturing leader with revenues totaling $14.5 billion in 2021. The company’s seven industry-leading segments leverage the unique ITW Business Model to drive solid growth with best-in-class margins and returns in markets where highly innovative, customer-focused solutions are required.

Intellihot is an energy company dedicated to advancing energy efficient technology and solutions. Intellihot designs, manufactures and assembles tankless water heaters for residential, commercial and industrial applications. Their products include the most advanced tankless water heater for commercial applications.

Intellihot offers high-tech solutions to these water issues and is leading the charge toward a cleaner, cheaper, safer, and more reliable future. By combining AI with edge technology, Intellihot is prepared to revolutionize the HVAC industry with hot water-as-a-service and change the way water service is delivered.

ISM manufactures Spiral Tubeforming Equipment utilizing state-of-the-art technologies to deliver the best Spiral Tubeformer in the industry and offer Spiral Fitting machines featuring Gorelockers, Stitchwelders, Oval and Flanging machines.

J.L. Brady Company LLC offers dependable, quality service to homeowners in the Quad Cities community for over 100 years. Their experienced technicians are well-trained and knowledgeable on all HVAC products, so the customers can be confident knowing that they can trust the company.

JB Industries is the premier manufacturer of American made HVAC/R tools and instruments. For over 50 years, JB Industries has been committed to providing exceptional customer service and quality, innovative products that meet industry needs and are manufactured, engineered and tested in accordance with rigid quality standards.

JLL is a renowned services firm that uses the most advanced technology to create rewarding opportunities, amazing spaces and sustainable real estate solutions for customers.

JML Heating & Cooling Inc. is a fully licensed and equipped company to offer users a complete range of HVAC services. They have both the technical expertise as well as the experience to know how to handle all jobs, big or small.

Johansen & Anderson is the premier HVAC company providing quality air conditioner installation and repair, furnace installation and repair, and refrigeration installation and repair for both residential and commercial buildings.

Johnson Brothers is a pioneer in the roll forming industry. They deal with rolled formed metal products: filter frames, rings, clamps, channels, panels, reflectors, mouldings. They also cater to tubing: open seam, split seam, finned and flanged seam, lock seam.

For over 100 years, Flex-Weld Incorporated and KEFLEX™, a division of Kelco Industries, has manufactured high-quality flexible metal hose, bellows, expansion joints, and other flexible engineered components at our facilities in North America. Our products are available in a wide variety of material types, sizes, and configurations and are used to isolate vibration, control axial and lateral motion, and compensate for thermal pipe expansion and co

Kleen Sweep Maintenance is A Full-Service Heating, Air Conditioning, Venting and Chimney Company.

Klein Tools of professional hand tools and occupational protective equipment, Klein Tools' product line has grown to include virtually every major type of hand tool used in the electrical and telecommunications markets, as well as for aviation, construction, electronics, mining and general industry.

Klimawent Usa, Llc supplier of dust collectors, fume arms, fume extractors and other environmental control and filtration equipment in Crystal Lake, IL. They are continuously investing in modern infrastructure and advanced technologies, in qualifications of employees as well as in successful methods of managing, scientific research, and improvement of the processes and appliances.

Kolbi Pipe Marker Co. has been manufacturing mechanical identification for 50 years. They core values are: Quality, Simplicity and Service. Give They a try and you will experience the Kolbi difference.

Kolbi Pipe Marker Company are manufacturers of pipes, valve tags, engraved signs, markers, and other products used in the HVAC industry.

Kuchefski Heating & Air Conditioning, Inc. has proudly served Danville area homes and businesses since 1946. Their skilled technicians are dedicated to the comfort and service of the customers.

Kulacz & Sons Heating & Cooling is a fully licensed and fully staffed HVAC contractor with the size and capability to meet all the needs, yet dedicated to providing the users with the same personalized service and friendly small business touch that has always kept the customers coming back.

Littelfuse is an industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 15 countries, and with 19,000 global associates, they partner with customers to design and deliver innovative, reliable solutions.

Since 1917, have distinguished our image as a high-quality contract job shop specializing in all areas of precision machining. During our 95-year history, LTL Company has established a reputation for superior skill and performance in the production of all types of parts and tools.

The Ma-Line Division of Monti and Associates Inc. provides access to specialized products for wholesalers in the HVAC/R industry. The MA-Line prides itself on maintaining the highest level of customer service.

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.

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.

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.

McNally’s Heating and Cooling has over 25 years of experience serving St. Charles IL and the surrounding community. They are the repair, installation, and maintenance partner of choice for Kane County residents and they’re available 24/7 to service the HVAC needs of the customers.

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.

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.

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.

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.