American Lung Association is the leading organization working to save lives by improving lung health and preventing lung disease through research, education and advocacy.

ASHE is the largest association devoted to professionals who design, build, maintain, and operate hospitals and other health care facilities. ASHE members include health care facility managers, engineers, architects, designers, constructors, infection control specialists, and others.

At Besco Air Inc. Heating & Cooling, they value their employees and treat the customers the way they would like to be treated. They aim to provide the best HVAC service in the Chicagoland area. As a full-service air conditioning company, they provide a range of professional residential and commercial services.

ESD is a pioneer in improving society through the built environment. They create solutions that produce economic, environmental and experiential benefits to the clients, many of whom are the biggest names in the worlds of business. They emphasize innovation, adaptability and sustainability when providing mechanical, electrical, plumbing, fire protection, life safety and technology engineering.

Ferguson Enterprises LLC is a distributor of residential and commercial heating and cooling supplies. They also offer the training, consultation and technical support needed. Ferguson HVAC Branches are supported by an advanced network of distribution centers strategically located around the country.

GI Energy is a company based in Illinois that is a full-service provider of reliable, resilient, clean and cost-effective energy infrastructure solutions.

Hayes Mechanical is a one stop, full service mechanical contractor specializing in both Commercial, Industrial, and Power-Generation related work.

Howe Corporation manufactures ice machines and Ice flakers for virtually any refrigerant including R-744, and R-717, Ice storage bins, Condensing units for ice flakers. Howe also offers on-site start-up assistance as well as service training.

HVAC Technical Institute focuses on training and preparing an individual in practical skills that they can apply in the air conditioning, ventilation, and heating workplace.

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.

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.

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.

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.

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.

At My Guy HVAC Heating and Air Conditioning, they provide solutions like Heating, Cooling, Indoor Air Quality, Thermostats, etc, and are based out of the USA.

PHIUS (Passive House Institute US, Inc.) is an organization committed to making high-performance passive building the mainstream market standard. PHIUS+ buildings provide superior indoor air quality, resilience during power outages, and an extremely quiet, comfortable indoor environment.

Tripp Lite is a manufacturer of power protection & connectivity solutions, providing solutions for the data center, factory floor, office, home & more. They also provide airflow management solutions, portable air conditioners, rack cooling fans, aisle containment systems and much more.

Wells HVAC Supply is an importer and distributor of a broad line of heating products used primarily in home improvement.