CCK is a manufacturing company specializing in the production of ventilation equipment, air handling units, fans, heat exchangers, smoke extraction systems, fire dampers, ventilation accessories.

CDP is a global non-profit that runs the world’s environmental disclosure system for companies, cities, states and regions. Founded in 2000 and working with more than 680 financial institutions with over $130 trillion in assets, CDP pioneered using capital markets and corporate procurement to motivate companies to disclose their environmental impacts, and to reduce greenhouse gas emissions, safeguard water resources and protect forests.

CentralAir.com is improving the way customers buy air conditioning units by making affordable AC or heating units easier to select, finance and have installed at homes and commercial spaces.

Centrica plc is an international energy and services company. They supply energy and services to over 25 million customer accounts mainly in the UK, Ireland and North America. Their areas of focus for growth are Energy Supply, Services, Connected Home, Distributed Energy & Power, Energy Marketing & Trading.

Founded in 1946, Century Heating and Cooling Products, A MARS Co. is a family-owned and operated supplier of quality motors, components, service/installation parts, and equipment for the HVAC/R industry. The company’s Equipment Division offers residential and commercial heating, cooling, and dehumidification equipment under the Comfort-Aire and Century brand names in the United States and under the Comfort-Aire by Aitons brand name in Canada. The

The innovative Century brand has been pioneering the use of electric motors in the HVAC, leisure water and commercial/industrial markets for over 100 years. Century manufactures a wide range of fractional and integral A/C motors for residential and commercial HVAC applications for the distribution channel.

CertainTeed, a subsidiary of Saint-Gobain, is North America’s renowned brand of sustainable exterior and interior building products. They also provide coatings, insulation, sheating and roofing services.

Certech pride themselves on being the go-to supplier of cabling, server racks, and IT accessories for businesses of all sizes. Their team of experts is highly knowledgeable and always ready to offer top-notch advice and support to help meet their needs. They are passionate about quality and customer satisfaction, and have a broad range of products and services to meet a variety of demands.

At Cetra Srl, for over 30 years they have been operating in the field of design, production and sale of air handling, ventilation and heat recovery units for the residential, commercial, industrial and chemical pharmaceutical sectors.

CG Plumbing deals in both domestic and commercial mechanical installations along with installation of UPVC soffits, fascia's and HVAC systems.

CGS Group Impianti srl was born in 1971 and since then it has been present on the national and foreign market in the field of environmental reclamation of the air.

Chesapeake Systems is a well-established HVAC Manufacturers'​ Representative for the Mid Atlantic Region. Over the last thirty years, their experienced professionals have been working together to exceed customers'​ expectations. Their combination of veteran sales personnel coupled with young energetic professionals all share the common goal of providing premier service to all customers.

The Chartered Institute of Plumbing and Heating Engineering (CIPHE) is the professional body for the UK plumbing and heating industry. It is also an educational charity. As the professional body for the UK plumbing and heating industry, the CIPHE has represented, supported and developed members since 1906.

Clean Air Fund is a global philanthropic organization working with governments, funders, businesses and campaigners to create a future where everyone can breathe clean air. The fund and partner with organizations that promote air quality data, build public demand for clean air, and drive policy change. They influence and support decision-makers to act on air pollution.

Clean Air Systems of LA, Inc. is the one stop shop for commercial and residential air conditioning and duct cleaning services in Shreveport, Louisiana, USA. They are a Charter Member of National Air Duct Cleaners Association as well as a member of the Indoor Air Quality Association, the Comfort Institute, the Shreveport Bossier & National Home Builders Association, and the Better Business Bureau of Shreveport, LA.

Easily installed in new or existing heating and cooling systems, Clean Comfort whole-home solutions work invisibly, silently and automatically to treat and filter the air in homes. Whole home air cleaners by Clean Comfort help protect and maintain the efficiency of central heating and cooling system by eliminating the build-up of dirt, dust and other pollutants. Clean Comfort humidifiers and dehumidifiers can make the air feel warmer and cooler.

CLIMASET provides modular regulation solutions and supervision systems for applications and systems of refrigeration, air conditioning, heating and air humidification.

Climasystem Magnanimpianti was founded in 1971 as a company operating on the plumbing and heating systems market.

Climaveneta is a brand of Mitsubishi Electric with over 45 years-experience in central climate control systems industry and a complete range of solutions. Climaveneta’s mission is to provide energy efficient heating, air conditioning, and data center cooling solutions that enhance everyone's comfort and improves the profitability of a building while limiting CO2 emission levels.

CM Engineering is a progressive mechanical, electrical and plumbing engineering firm, founded in 1993, to expand the level of innovation and professionalism available to prospective clients. They serve clients nationwide and worldwide.

Since its establishment in 1985, CMC has carved an international reputation for designing controls without compromise and that add value to manufacturers that incorporate them. CMC’s approach to producing robust, multi-functional control solutions from its Belgium-based facility has seen the business evolve into a multinational firm with a presence in China, USA, France, Turkey and the UK.

Coastal Pacific Xpress is a leading Western Canadian trucking company with a fleet of 340 trucks and 575 trailers. CPX provides flexible and tailored solutions encompassing truckload (TL) and less-than-truckload (LTL) services and the necessary warehouse & distribution capacities to augment the over-the-road services.

A leader in Milan for professionalism and experience in the design, installation and maintenance of air conditioning and conditioning systems, Cobram is now a synonym of safety and reliability. Over the years, the technical staff has been able to deepen their skills, expanding the range of services and choosing only the best brands available on the market.

Since 1950, Cochrane Ventilation has been working with New England’s businesses, non-profit institutions, and leaders in healthcare, to manage their indoor environments. Cochrane Ventilation can assist you with managing your indoor air environment. They offer a host of integrated services from HVAC cleaning, robotic imaging, air handler unit maintenance, and restoration, kitchen exhaust maintenance, and specialty ventilation system cleaning.

COES bases its activity on long term tradition in the field of industrial machines. Their team, with 50 years of experience in engineering and production, led the company through the 20 years anniversary mark.

Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems. They deliver innovations that resonate with the customers in diversified applications for the industrial, communications, electronics, and instrumentation markets.

Since 1964, Cole Industrial has been the Northwest's provider of new, used and rental boiler equipment for the process and comfort heating needs of nearly every industry around. Their diverse product line includes boiler equipment from industry-leading Cleaver-Brooks, for which we are the region's sole manufacturers'​ representative.

At COLOMBO AEROMECHANICS, since 1958 they have been solving the most varied problems in the field of industrial heat engineering and is based out of Italy.

Comefri excels in the engineering, manufacturing and worldwide distribution of commercial HVAC and industrial fans. They provide HVAC and Industrial centrifugal fans, Air Movement, and Axial Fans.

Comfort Pro's Heating & Air Conditioning are dedicated to making your home a sanctuary of comfort and tranquility. With over two decades of experience, they have been proudly serving homeowners and businesses across Washington, providing top-notch HVAC services that customers can rely on.