buildingSMART Deutschland is the German Chapter of buildingSMART International (bSI). The aim of this international organization is to spread Building Information Modeling (BIM) in industry, public sector, politics, government and media.

Business Stream is one of the largest water retailers in the United Kingdom, known for their passionate approach to customer service and exceptional knowledge of the water industry. They are trusted by over 300,000 business customers to provide water and waste water services with the highest levels of customer service. They offer a wide range of services, such as water efficiency, smart metering and new connections, etc.

BVA Inc is a specialty oil company that develops and markets oils and lubricants. They provide refrigeration lubricants for all refrigerants, vacuum pump oils, all purpose compressor lubricants, Max XL, flushing lubricants, and air filter oils.

California Energy Commission (CEC) is the primary energy policy and planning agency, committed to reducing energy costs and environmental impacts of energy use - such as greenhouse gas emissions - while ensuring a safe, resilient, and reliable supply of energy. Established in 1974, the Energy Commission has seven core responsibilities.

Cambridge Consultants help clients identify, create and launch breakthrough products and services that disrupt their markets. Services provided include wireless product development, medical device development, consumer product development, product development, contract design services, ASIC design, technology consulting, drug delivery device development, mobile communications and innovative product development.

Carbon Pulse is an independent private venture headquartered in London, UK. It was founded by three ex-Reuters/Point Carbon journalists with almost 30 years experience between them in covering carbon markets and climate policy.

Carl Ray & Associates is a Representatives Agency that represents quality manufacturers to HAVC/R wholesalers.

Carr Supply has been providing outstanding service and products to customers since 1917. They strive to provide the best quality products for Heating, Ventilation, and Air Conditioning (HVAC), Plumbing, Hydronics, Water systems, Wells, and Geothermal Systems.

Carrefour Group is the premier private employer in the countries in which it operates. This is obviously the case in France – where the group was founded – but it also holds true in countries such as Brazil, Argentina and Italy. At the same time, the Group gives priority to local supply chains. So 75% of all its food products come from local suppliers in the countries in which it operates.

Carrier Air Con is a globally renowned provider of heating, air-conditioning and refrigeration solutions. They provide innovative new products and services that improve global comfort and efficiency.

Carrier Corp. is a global residential product innovations and solutions firm. Their inventory includes advanced communicating controls and thermostats, high-efficiency split system air conditioners and heat pumps, ductless split systems, gas and oil furnaces, boilers, fan and evaporator coils, geothermal systems, zoning systems, a complete line of indoor air quality products and small packaged products.

The Carver Group owns and manages a portfolio of brands which develop and manufacture products and solutions for building ventilation, air heating and cooling. Their products are sold worldwide through subsidiary offices and a network of distributors.

As a pioneering brand in the water heater industry, manufactures a broad range of water heating solutions including electric storage and instant water heaters, solar water heaters, heat pumps, and customized heating solutions. Recently, they have also partnered with Harvia to bring their finest sauna cabins and heaters, steam rooms, and other sauna accessories to India.

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.

Celmec is a specialist in high-precision HVAC air control, heating, and cooling equipment for commercial, industrial, and hospitality applications.

Celmec are specialists in high-precision HVAC air control, heating and cooling equipment for commercial, industrial and hospitality applications. They are a family owned and operated business committed to providing the best performing climate control solutions, specifically tailored to the client’s requirements.

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 1973, Century A/C is the distributor of Ruud and York equipment providing 'service beyond expectations' at its 24 Texas locations. They are a wholesale distributor of HVAC equipment and supplies whose mission is to be an employee-driven company providing customers with service beyond expectations.

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

Cerisun Pty Ltd are a company based in Padstow in the Australian state of New South Wales. Their main business area is ice making machines.

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.

Certified Refrigerant Services Inc. is a full service refrigerant management and logistics company servicing all segments of the refrigerant and HVAC industry. They provide refrigerant sales/used buy back, process and return programs.

CETEC is a multi-disciplined consultancy offering Professional Scientific Solutions. They help to assess, solve and manage the technical risks. They provide indoor environment quality, occupational hygiene services, productivity assessments, Nabers ratings, water quality - risk management, sampling & analysis, building air tightness & leakage testing and much more.

At CFM Airsystems, they pride themselves as being the exhaust and ventilation specialists of the future. Innovation in commercial ventilation systems has guided their design and manufacture of fans for the 21st century.

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

Chase Air only supplies air conditioning systems that they know will specifically meet the home or office requirements. They won’t supply a system to users that won’t do the job required well.

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.