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.

IMI Hydronic Engineering is a provider of a range of products and services that enables one to take control, increase efficiency and drive down initial and ongoing costs with innovative and reliable HVAC solutions. They provide a superb range of high-quality products and support services for every type of installation and customer.

The Independent Contractors Exchange (ICE) is a select group of independent HVAC contractors specializing in the service and installation of applied HVAC systems.

Since 1979, Indoor Comfort Team has performed heating and air conditioning services for residential customers across greater St. Louis, including Metro East suburbs in St. Clair County, Illinois. They provide quality services with a full guarantee. They're a family-owned & operated HVAC company, offering superior residential HVAC services to St. Louis & surrounding areas.

Industrial Climate Engineering is a division of Airxcel, Inc. They are the manufacturer of air conditioners from 6,000 to 360,000 both for commercial and industrial applications, including e-houses, telecom sites. Units available for hazardous locations and explosion proof.

Insight Partners provides commercial HVAC equipment and solutions for customers across a variety of markets and industries. With a combined 80+ years of HVAC experience, Insight Partners brings together a network of the best resources, people, and cultivated industry knowledge to give its partners a unique advantage over the complex challenges.

International Accreditation Forum (IAF) is the world association of Conformity Assessment Accreditation Bodies. Its primary function is to develop a single worldwide programme of conformity assessment, which reduces risk for business and its customers by assuring them that accredited certificates may be relied upon.

The International Institute for Sustainable Laboratories (I2SL) is devoted to the principles of sustainable laboratories and related high-technology facilities, from design to engineering to operation. Through worldwide partnerships and the exchange of technical expertise, I2SL will encourage the development of high-tech facilities that address the rapid pace of science, medicine, research, and development in a dynamic environment.

ITI supports apprenticeship and advanced career training for union workers in the sheet metal industry throughout the United States and Canada. Located in Fairfax, Virginia, the ITI produces a standardized curriculum supported by a wide variety of training materials free of charge to apprentices and journey-level workers who work in the following specialized disciplines: Architectural Sheet Metal, Building Information Modeling,& HVAC Service.

IonicBlue® is a joint venture between Johnson Controls, the global pioneer in delivering energy and infrastructure solutions, and Apollo Global Management a leading, global alternative asset manager. They deliver a total solutions approach through the expertise of Johnson Controls and the unmatched ability of Apollo to provide alternative capital solutions.

ISC Sales Inc. provides superior industrial products to a wide variety of end-users and original equipment manufacturers (OEM). They offer a broad range of climate control products for electrical enclosures, such as air conditioners, vortex coolers, air to air heat exchangers, purge & pressurization units, filtered fans, and thermoelectric coolers.

ISS Mechanical is a 'Service First' Mechanical Contractor. They specialize in the service, maintenance, repair and replacement of air conditioning, chillers, controls and refrigeration equipment for existing Commercial, Healthcare and Industrial Facilities. Their service area is Central Florida, with offices in Orlando and Tampa, Florida. They are able to provide mission critical and emergency service to facilities throughout Central Florida.

J's HVAC Unlimited is a full-service HVAC company with years of industry experience on our side. It offer traditional heating and cooling services to go along with extensive indoor air quality and general home comfort services too.

Superb supervisory functions to simplify building management systems. IoT ready, smartphone friendly and based on Haystack tagging. Manage Many Disciplines.

Jaytech, Inc. is one of the largest and most innovative independent water management and treatment solution providers in the United States. Their solutions include traditional water treatment programs, solid chemical water treatment programs, legionella risk assessments, indoor air quality and hygiene remediation solutions for the “built environment” as well as process water management and consulting for reduction/recycle

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.

Whether they're building water treatment systems for homes or for coffee shops, this water quality manufacturer uses only the best components possible. Which is why they've been using John Guest for 25 years. Hear what Chester Paul Company has to say about John Guest's reliability and support.

John R. Robinson Inc. has been providing quality and reliable tube tool equipment to the global power industry since 1907. Their broad products inventory includes condensers, heat exchangers, chillers and boiler tube cleaning gun, rotary cleaning machine, brushes, shafts, descaler, tube plugs, leak detection, vacuum, installation/removal tools, and gasket cutter.

K & K Heating & Cooling is a trusted HVAC company serving cities around Northeast Ohio, USA. Their team provides HVAC installation services, fast and reliable HVAC repair, and HVAC maintenance services to upkeep the home’s comfort and efficiency. As experienced HVAC contractors, they also specialize in heating and air conditioning repair, furnace repair, and HVAC system diagnostics for both residential and commercial properties.

Kimre is a reputed name among process engineers, environmental engineers, and production managers as a trusted provider of air cleaning technologies for a wide range of industries like fertilizer, sulphuric acid, and power plants. The emission control achieved by Kimre is often taken as global standards.

Kings Heating and Air Conditioning have been providing HVAC with integrity to homeowners, builders, and contractors since its inception. Kings Heating & Air Conditioning is always looking to offer more value to clients through a wide range of services, from new installations to retrofitting, maintenance, and repairs.

Kish Heating and Cooling Inc specializes in the repair, maintenance, and replacement of all makes and models of HVAC equipment

Klondike Air Conditioning and Heating, a family-owned and operated business, has been catering to the heating, air conditioning, indoor comfort, and air quality requirements of Orange County since 1989. Their objective is to deliver superior workmanship in HVAC service, repairs, and installations. From system installations and maintenance to repairs and efficiency upgrades, trust Klondike Air for all HVAC needs.

Krier & Blain have been providing commercial plumbing, heating, and HVAC services to local businesses throughout the Sioux Falls area in the US since 1979. They also provide plumbing systems, medical gas installations, hydronic heating solutions and boiler services.

Originating from the KKT Kraus Company, the current KKT chillers brand is an important pillar within ait-deutschland GmbH. KKT chillers combine decades of know-how in thermodynamic processes with the requirements of customers to design energy-efficient chiller and heat pump solutions for quite varied applications.

Kurt's AC & Heat in Tavares, Florida, is a family-owned HVAC company. The company's goal is to provide the customers with fast and courteous service. The company installs top-quality, energy-efficient replacement heating, and air conditioning systems at a reasonable price and offers extended warranties to guarantee peace of mind throughout the lifespan of the system.

KwiKool® has been manufacturing portable cooling systems since 1997. Kwikool® manufactures products for both indoor and outdoor use, bacteria-killing products, water and also air-cooled spot coolers for comfort cooling and even ceiling mounted units which can be permanently mounted for the long term.

LA Construction Heating and Air is a full service residential and commercial HVAC contractor, servicing Los Angeles and Ventura Counties with over 20 years of experience in the air conditioning and heating industry. Their high quality of work, honesty and integrity has earned them a great reputation.

Founded in 1967, Lambro offers to both residential and commercial customers venting and duct products that are used to help improve the airflow in rooms or buildings.

Lee’s Air, Plumbing & Heating is a source of reliable heating, cooling, and plumbing throughout Central and Northern California.