Joseph Krechel founded Control Devices in his St. Louis garage in 1963 with the vision of creating the industry’s most innovative check valve and controls for air compressor OEMs. After nearly 45 years of growth and success spurred by Krechel’s innovative and forward-thinking principles, Control Devices was recognized as an industry leader.

CTI is able to offer state-of-the-art HVAC equipment paired with our advanced controls and automation. Control Technologies has an unparalleled combination of skills, experience, expertise, and resources to provide our 2,000+ clients with custom services and building solutions to effectively integrate and manage facilities with Connected Building Solutions, HVAC Mechanical and Controls Services, and Systems Integration Solutions.

Cool Air USA is a company dedicated to providing the best air conditioning repair, air conditioning installation, and indoor air quality services in South Florida since 2008.

Since 2004, Cool Quest, LLC has been providing residents and business owners in Mesa, Arizona, USA and surrounding areas with dependable, high-quality refrigeration services and more. Their heating and air conditioning contractors specialize in commercial air conditioning repair and residential air conditioning repair heating, ventilation and air conditioning (HVAC) maintenance, repair and installation.

Founded in 2015 by a team of experienced engineers, Cool Techies is dedicated to providing Houston homeowners with exceptional HVAC system optimization. At Cool Techies, they understand the importance of a properly functioning HVAC system for total home comfort. Unlike other companies that may lack in-depth knowledge of HVAC systems, their team of HVAC experts takes a personalized approach.

Coolair Service Ltd is an air conditioning installation, service, and maintenance company. Its customer services advisors and technical support teams are on hand to offer to advise and schedule visits whenever and wherever required.

Cooltherm provides a comprehensive portfolio of air conditioning, commercial and industrial refrigeration plant along with technical backup service and maintenance.

Cooltimes are Brisbane's air conditioning experts specializing in ducted air conditioning, split systems AC and multi-head units. Cool times has the experience and expertise to install the right solution for the school, daycare, commercial or residential properties.

With more than 20 years of experience in air conditioning and ventilation, Cooper&Hunter has grown into an HVAC market player. Cooper&Hunter has developed into a well-known brand with rapid growth in export sales volume, adding new markets every year.

Cora Duct Cleaning offers a wide array of air duct cleaning services for homes, commercial and industrial across Southern Ontario. Established in 2010, Cora has provided duct cleaning services to thousands of clients across the GTA and Ontario. Apart from duct cleaning, specialized air filters, furnace cleaning, dryer vent cleaning, a/c cleaning, central vacuum cleaning and other services are provided by the company.

Servicing the South West, Cosgrove & Drew provide best in class mechanical engineering services, such as domestic installations, full industrial and commercial projects, and servicing and maintenance. They are a UK-based plumbing, heating, mechanical services and building maintenance company that undertakes the smallest maintenance work right through to complete refurbishment.

COTHERM is an industrial group founded in 1948 in Grenoble (France), resolutely turned towards its customers. Its vocation is to design, manufacture and sell intelligent and connected temperature control systems and solutions. Their teams have developed technical solutions and processes integrating numerous technologies allowing them to offer the customers a wide range of robust products that equip today millions of water heaters, boilers and rad

Covent has its head office and production facilities in Bjerkreim in Rogaland. The company offers air treatment plants that utilize the environment and its energy in an efficient and gentle way. Good ventilation provides a healthier indoor climate. At the same time, the heat from the old air is recovered, thus saving nature from draining other energy.

Crawford Company specializes in heating, air conditioning, plumbing, electrical, laser cutting, machining, welding, fabrication and brewing equipment.

Cubic Sensor and Instrument Co., Ltd. (hereinafter referred to as "Cubic") is a publicly listed company in SSE STAR Market (stock code:688665), specializing in smart gas sensors and superior gas analyzers. Set up in 2003, situated at “Optics Valley” of Wuhan, China, Cubic has established gas sensing technology platforms including optical technologies .

Cullen Mechanical Inc is a factory authorized service, install and Startup Company for multiple manufacturers. They are a commercial based mechanical company specializing in heat and cooling plants, roof top equipment and energy recovery systems.

The Copper Sustainability Partnership – CuSP for short - wants to challenge the norm and break the mould to achieve greater environmental thinking, sustainability and longevity within both construction and plumbing industries.

Cvsair Ventilation Technics Cvsair has achieved many successes in the ventilation industry and related investments since 2008. As a reliable business partner in energy efficiency and ventilation issues, Cvsair continues to achieve its goals with confident steps. It has gained an important place in the sector by combining quality products with affordable prices.

With Cyclone all the kitchen canopy & commercial kitchen ventilation requirements can be satisfied by the removing worry and personal time input on the project. By offering one contact, one solution, one system package, they will ensure that a solution will transmute from inception, all the way through to completion in the quickest and most cost effective way possible.

Dabek Heating & Cooling is a full-service HVAC Company based in Trever, WI. They specialize in installing any makes and major brands of heating and air conditioning systems including air conditioners, water heaters, radiant heating systems, whole home monitoring systems and more.

Daiwa Industries Ltd is a Japanese company that primarily manufactures, sells, and leases freezers, refrigerators, showcases, ice machines, vending machines, cold-applied products, kitchen equipment, equipment, and parts. The company is also involved in planning, designing, and construction of stores and kitchens.

Dale Automation, established in 1999, is based in Johannesburg, South Africa. With hundreds of automated spiral systems installed in South Africa, Botswana, Namibia, Swaziland, Zimbabwe, France, UK and Australia, Dale has achieved its vision of becoming a world leader in both the poultry and baking industries.

DALEMANS is a European company that offers innovative gas detection solutions for the HVAC sector in public buildings, industry and laboratories. DALEMANS designs and manufactures DALEMANS gas detection products, activates the systems and provides maintenance.

Since 1958, Dantherm Cooling has sold more than one million climate control units, and built a solid reputation for providing exceptional customer service before, during, and after a sale.

Davis Air Conditioning and Heating provides heating and air conditioning repair, service and maintenance in Houston, Sugarland, Pearland, Pasadena, Stafford, Angleton, TX, and the surrounding area

DCS provides full circle commercial refrigeration solutions, from storage at our 1.6ha site, through to nationwide distribution including asset management and end of life recycling of cabinets.

Daw Refrigeration is a company primarily involved in services to the food industry, established in 1981 as a family partnership now trading as a limited company located in southwest Exeter Devon. Daw Refrigeration offers air conditioning and refrigeration contractors throughout the southwest, providing top-quality services at competitive prices.

Dawsongroup truck and trailer are the UK's largest independent truck and trailer provider specializing in contract hire, rental and leasing of 4×2 and 6×2 tractor units; curtain side, box and refrigerated rigids; curtain side, box, skeletal, step frame, platform and refrigerated trailers; car transporters; and specialist and bespoke vehicles.

DCM Manufacturing, Inc., a Dreison International Company, is a recognized pioneer in manufacturing, sales and service of OEM products for the mobile HVAC and industrial heat transfer markets. Dreison International began operations in 1976. Corporate offices are in Cleveland, OH, and Grand Prairie, TX.

At Del-Air Heating and Air Conditioning, they provide only the newest and most innovative air conditioning technology and brands. Their renowned AC service in Florida provides a vast selection of brand-name units for installation and maintenance.