A nonprofit association founded in 1909 comprising over 2,100 district energy and CHP system managers, engineers, consultants and equipment suppliers from 25 countries.

International Facility Management Association (IFMA) is the world's largest and most widely recognized international association for facility management professionals, supporting over 23,000 members in more than 10​0 countries.

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.

Since 1919, Intertherm has been an integral part of improving the comfort of manufactured homes. They are the only heating and cooling manufacturer to be certified in Demand Flow Technology.

Established to serve wholesale distribution, iO HVAC Controls offers unique products from multiple sources for a variety of applications. From wireless relays to fresh air ventilation controls, the company's solutions are designed to be easy to install, cost-effective and profitable.

Iowa Precision Industries is a leader in automated HVAC coil lines, duct fabrication systems, seam closers and corner inserters – a company with a rich history that has the experience and proven know-how to develop systems meeting the specific production goals of customers – worldwide. The Fabriduct(R), ProFabriduct(R), Ductomatic, Cornermatic(R), Whisperloc(R), and Elbowmatic machines are the industry’s finest products.

Irr Supply Centers, Inc. is a renowned distributor of Plumbing, Heating, Cooling, Electrical, and Refrigeration products serving a wide range of customers throughout Western/Central New York and Northern Pennsylvania.

Industrial distributors focus on product knowledge and expertise while bringing the customer a massive line of name-brand, quality products.

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.

ISD has built and maintained its position as the foremost specialist in cold store construction. With a full range of design, installation, and manufacturing services, ISD Coldstores provides the complete solution for the installation of temperature-controlled envelopes at distribution centers for major UK supermarket chains and many other organizations.

J & J Air Conditioning provides comprehensive HVAC services to commercial and industrial clients. They utilize evolving technology to find new and innovative ways to serve their customers.

J.R.V Heating & Cooling LLC. believe that nothing is more important than comfort. Their technicians are here to attend to client's needs 24 hours a day. They offer a variety of maintenance service designed to address unique needs with their rates are among the most competitive in the industry.

Jackson Systems is an HVAC controls distributor for the residential and light commercial markets. The company specializes in zoning, thermostats, and home automation products.

At Jade Air, their priority is serving air conditioning and heating (HVAC) needs including a/c repair, troubleshooting and maintenance. Since 1991, they have been providing quality and reliable HVAC service to the Dallas area, in Texas, USA.

JayKay Sales Company is an HVAC manufacturer's representative agency dedicated to providing professional, competent, and courteous sales and service support to customers of the high-quality manufacturers we represent.

JB & Associates Extended Warranties is a nationally renowned provider of Extended Warranties to the HVAC and Plumbing Industries. Their online system provides contractors with the most comprehensive and easy to use extended service agreement solution.

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.

JKS Heating & Cooling takes care of all the home heating and air conditioning needs. They offer emergency and routine heating and air conditioning repair for both residential and commercial systems. They specialize in air conditioning and heating, electric furnaces, gas furnaces, oil furnaces, heat pumps, hot water heaters and refrigeration systems.

JM Software, Inc. is a well established software development firm offering hardware, networking, and software solutions. They provide pre-packaged solutions along with custom software development for those businesses that have particular needs.

Jobber is an award-winning SaaS platform that helps small home services businesses organize their entire operations, from scheduling jobs and managing their crews, to invoicing customers and collecting payments.

They offer service on all major brands Commercial Kitchen Appliance’s, Residential refrigerators, stoves, ovens, Ranges, and dryers. Factory certified and trained Subzero and Wolf technicians. the service Fayetteville, Peachtree city, Newnan, Riverdale, Jonesboro, McDonough, Stockbridge, and Tyrone Georgia.

Based in Fayetteville, Georgia, John’s Heating, Cooling, and Appliance Repair delivers expert HVAC and commercial refrigeration services across South Metro Atlanta. With over 28 years of experience, their licensed and certified technicians specialize in air conditioning repair, furnace and heat pump installation, HVAC system maintenance, and commercial refrigeration solutions. They serve both residential and commercial clients.

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.

Johnstone Supply (formerly Paducah Supply) is like no HVAC supplier one has ever dealt with. "SERVICE" defines their very existence. In decades of doing business, they know that customers demand excellence of them, and one has a right to expect no less from them. In a day and age where other companies are cutting services and product offerings, Paducah Supply has redoubled its commitment to clients.

Jonas Construction Software is a fully integrated accounting, construction and service management solution used by over 1,200 HVACR and Mechanical Contractors across North America to drive revenue, improve efficiency and help make better business decisions.

Jones Heating & Cooling, Inc. offer a full range of Heating & Air Conditioning products and HVAC services. As a Trane Comfort Specialist, they provide outstanding on-time service and repairs, knowledgeable replacement advice, and quality new installations.

K-FLEX manufactures thermal and acoustic insulation and jacketing systems that allow for an efficient installation process and deliver reliable and lasting performance on pipes, ducts, vessels and equipment for a wide range of applications, including HVAC, Refrigeration and Industrial Process Systems.

Kalglo Electronics, incorporated in 1969, is a manufacturer of electric radiant infrared heaters, electronic heating and lighting controls, and surge protection equipment. Kalglo is a veteran majority owned small business with product manufacturing based in USA.

Kamtech Plumbing is a local company taking care of the community. It is family-owned and operated and has been in business for 6 years. They have 14 employees performing both residential and light commercial service and installation work.

KE2 Therm is a U.S. based developer, and manufacturer, of smart refrigeration controllers. The company's leading-edge technology is specified by a wide range of end users, consultants and major OEM manufacturers of evaporators, and walk-in freezers and coolers. Additionally, top U.S. and global restaurant and supermarket chains recognize the benefits of KE2 Therm controls, and specify them for both new install and retrofit applications.