Cadpipe Software provides Piping & HVAC Fabrication Software for a wide range of industrial applications, including Process Piping, Commercial Piping, Mechanical, and Electrical industries.

A Home Energy Rating System (HERS) is a process of administering diagnostic analysis to determine and produce data that provides a method of evaluation for a California State approved home energy efficiency ratings. This establishes a benchmark of a home’s energy use and identifies necessary and/or best possible upgrades for homeowners.

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.

CASPR (Continuous Air & Surface Pathogen Reduction) Group is a health-tech company on a mission to make the world indoors a better place. As the front-runner in smart environmental indoor technology, the solutions work to ensure the air we breathe is the healthiest it can be, living out the well-being and enhancing the performance in the process.

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.

CCOM Group, Inc. and its subsidiaries are known for their heating, ventilating and air conditioning (HVAC), climate control systems, plumbing and electrical supplies. Through its subsidiaries and divisions (Universal Supply Group, RAL Supply Group, S&A Supply), they distributes equipment, parts,and accessories to the Northeast. They serve contractors, consumers, builders, and the commercial and industrial sectors.

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.

CE Mechanical is premier HVAC mechanical contractor, specializing in comprehensive services, including installation, maintenance, retrofits, and tenant improvements. With a dedicated focus on quality and customer satisfaction, they proudly serve all of Southern California. CE Mechanical’s innovative solutions help to lower operating costs, reduce capital expenditures, and maximize value for their clients.

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.

Established in 2009, for the purpose of introducing Polypropylene Vent Systems to the North American market, Centrotherm Eco Systems is a member of the Ubbink Centrotherm Group (UCG).

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.

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

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.

Christmas Air has always been great to work with as they offer regular maintenance for HVAC equipment and valuable discounts on their services and new equipment. They offer free estimates for heating & air conditioning equipment replacement.

Cielo Smart Wi-Fi air conditioner controllers work with all types of ACs that have an IR remote control.

Cimetrics began as a supplier of networking technology for control and monitoring systems, and we have leveraged our networking expertise to become the leading provider of analytic services for ongoing building commissioning.

Cinch Home Services is a home services company that makes it easy for everyone to enjoy their home to the fullest. Cinch complete home plan covers appliances from refrigerators and ovens to washers, dryers and more. They provide warranty plans for air conditioning, heating, plumbing and electrical components.

Cleveland Metal is not your run of the mill distributor: They vast network of domestic and International suppliers allows they to go further downstream in sourcing your metal needs.

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.

Columbus Industries is a global company that has grown steadily since its inception in 1965 to include over 900 associates in seven locations worldwide. CI is strategically positioned to supply filter products to North America, Europe, Asia and Africa.

Comfort Air Heating and Cooling company is licensed and insured to protect. When heating or air-conditioning system is not working right effective solution from a company that is respectful.

At Comfort Boys their business is only as successful as the value they bring to their customers. From AC repair in San Antonio to an iced up AC unit in the Texas hill country. They strive to provide the greatest customer experience possible. This is the vision owner and operator David Schiess A Local resident saw as a critical component to providing the best possible service.

Comfort Solutions HVAC, a locally owned and operated residential heating and cooling company, prioritizes the well-being of its customers. Their expertise lies in ensuring comfort within the confines of homes, excelling in top-notch service, maintenance, and replacement of residential heating and air conditioning systems.

Conduit Tech is dedicated to helping HVAC professionals do what they do best - serve their customers with the right solution for their home. Their mission is to enable the critical trades that form the backbone of the built world, starting with residential HVAC. They focus on supporting HVAC contractors with better tools to drive comfortable, efficient and sustainable homes for every homeowner.

Consolidated Hunter is well-established in commercial and residential heating, ventilation, air conditioning and plumbing services. They have implemented systems for commercial/industrial/agricultural clients including rooftop heating, ventilation and air conditioning units, infrared heating, carbon monoxide exhaust, specialized piping, lift stations, boiler systems and much more.

Contemporary Controls is a leading manufacturer of unique and innovative products for the industrial and building automation industries leveraging technologies such as BACnet, Cellular, Ethernet, IoT and Modbus. For more than 45 years, Contemporary Controls has been designing and manufacturing the system building blocks for networking,

Continental Control Systems, LLC is a limited liability company and a member of Socomec Group, which includes Socomec USA. Continental Control Systems began operations in 1995 as a product development and manufacturing company. CCS specializes in electric power metering and monitoring equipment for use by the energy services industry.

Convergence Data specializes in cleansing, structuring, and enriching data for an organization's most critical functions from Engineering and Sourcing to drive findability, reuse, and spend rationalization to eCommerce and Aftermarket to generate revenue and give products and service parts the data they need to make them easy to find, purchase, and share with downstream distribution channels.

Convergint Technologies is a North American service-based organization that designs, installs, and services building systems including electronic security, fire alarm & life safety, and building automation systems. They provide a wide range of product solutions in each business area and are committed to being the industry's best service provider.

CoolSys is the parent company of an operating businesses that provide a full spectrum of best-in-class service experiences and solutions to the retail, commercial, and industrial refrigeration and HVAC industries. The CoolSys corporate brand was developed to unite a growing family of refrigeration & HVAC operating brands into one family, while providing strategic guidance and leadership, along with best-in-class experience.