Corning Incorporated (Corning Inc.) s one of the innovators in materials science, with a 167-year track record of life-changing inventions. Corning applies its unparalleled expertise in glass science, ceramics science, and optical physics along with its deep manufacturing and engineering capabilities to develop category-defining products that transform industries and enhance people's lives.

Cosaf is a pioneering expert in the application, design, installation, and commissioning of pioneering-edge evaporative cooling, heating, smoke/fire ventilation, and air conditioning (HVAC) systems. Combining 30 years of heritage with considerable experience and expertise has enabled Cosaf to develop systems and services that have been specifically designed to minimize energy consumption while maximizing both free cooling and heat reclamation.

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.

County Wide Mechanical is proud to service the heating, cooling, and plumbing needs of homes and businesses in Connecticut.

Covar Aircare provides exceptional A/C repair and installation throughout the entire Houston & Surrounding areas.

Covertech Fabricating Inc. provides innovative and cost-effective insulation solutions. From our modern facility with the highest production capacity in the industry you can expect quality reflective insulation and radiant barrier products and quick order fulfillment. Worldwide. Safe, Clean, Easy, and Effective to Use.

Cozy is a manufacturer of direct gas heating equipment known for its commitment to product quality. Designed to withstand the test of time, Cozy heaters are engineered for long-term comfort and dependability. Cozy Heaters use the highest quality components and are constructed by expert American craftsmen, we take pride in each and every product we produce.

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

Creative Realities, Inc. is a creative technology company that designs, develops, and deploys marketing technology experiences to build a safe workspace. They have created thousands of digital solutions that transform the consumer and shopper journey into intelligent, responsive, aware and immersive experiences.

Crestron is one of world's renowned innovators and manufacturer of advanced control and automation systems for the office, campus and home, reinventing the way people live and work. With integrated solutions to monitor, manage, and control audio, video, and lighting, shades, and climate, Crestron streamlines technology to improve the quality of life for the users.

CSA Group is dedicated to testing for safety, social good and sustainability across key business areas and specialized markets and technologies.

CSD provides all services for the air conditioning, ventilation, and refrigeration industry. The company is certified for BESA, Avetta, Safe Contractor, and REFCOM Elite. CSD is Daikin D1 partner, engineers hold a minimum of level 2 city and guilds RAAC and are all certified in FGAS 2079, IPAF 3a/3b, and PASMA and trained in health and safety.

CSTK is a diversified transportation solutions provider of products and services for a variety of applications, including Thermo King transport refrigeration units, comfort systems, auxiliary power units, customized truck bodies, construction equipment, trailer repair & parts, aftermarket HVAC for vehicles & equipment, fleet vehicle graphics, lift gates, trailer skirting, and much, much more. CSTK also offers parts and service for all products.

CSW Industrials is a diversified industrial growth company with a portfolio of industry-leading businesses in Industrial Products and Specialty Chemicals. Their products include mechanical products for heating, ventilation and air conditioning (HVAC) and refrigeration applications; coatings and high-performance specialty lubricants.

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.

Cummins Inc. empowers people to grow their careers through meaningful work, building inclusive and equitable teams, coaching, development and opportunities to make a difference. Their wide range of services include Cummins Engine Business, Cummins Power Generation, Cummins Distribution Business, Cummins Turbo Technologies, Cummins Emission Solutions, Cummins Fuel Systems, Cummins Filtration, and Cummins Electrified Power.

Cunningham, Inc. is a mechanical contractor that believes in providing the highest value to customers with high-quality craftsmanship, and cutting edge technology. Their broad range of services include HVAC equipment, plumbing, electrical, architectural metals, industrial and commercial services, and Geo-thermal solutions.

Custom Filters Direct is a reputable manufacturer and supplier of high-quality, custom-made filters catering to various industries. With years of experience in the field, they offer a comprehensive service from design to delivery. Based in New York City, Custom Filters Direct serves the entire USA, and they have one of the country’s largest selections of air filters ready for delivery.

CWP is a pioneering renewable energy developer with expertise across the full project lifecycle, developing, managing, and owning projects with demonstrated success. Using a proven approach to follow each project from inception to full operation, ensure genuine engagement with all stakeholders at each stage of development. Mission is to improve the environment for current and future generations by pioneering the transition to renewable energy.

D-Tech Sales are the HVAC/R manufacturer's representative covering California, Nevada, Arizona and Hawaii representing Eaton B-Line, Hartell Pumps, CFM Fans, Fieldpiece Instruments, REFCO, Panasonic HVAC, Williams Comfort Products, Sensible Products, Dow Products, EWC Controls, Eaton-Edison & BMP Refrigerants.

D.T.M. Heating And Air Conditioning proudly serves Dallas - Fort Worth Metroplex, Texas area. As a trusted and reliable HVAC contractor, they specialize in a variety of HVAC installations. They offer comprehensive services including AC repairs, AC installations, thermostat services, heat pump repair, and gas furnace repair. Their expert technicians deliver exceptional service using top-quality parts and equipment.

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.

Dagar Heating & Airhelp with the heating and cooling systems in home or office. Based in Carrollton, their air conditioning repair technicians receive raving reviews as they service homes all over the Dallas metroplex. They strive to offer honest advice and perform expert heating and ac repair services.

Daikin Air conditioning India Pvt. Ltd. (DAIPL) is a 100% subsidiary of Daikin Industries Ltd., Japan, a globally renowned manufacturer of commercial-use and residential air conditioning systems. Backed by the superior technology, the organization offers a wide range of energy efficient air conditioning solutions to the Indian customers.

Daikin Industries, Ltd. is a manufacturer of air conditioning equipment. Their products and services use environment friendly technologies that cater to residential and commercial A/C markets.

Dairyland Power Cooperative, a Touchstone Energy Cooperative, was formed in December 1941. Headquartered in La Crosse, WI, Dairyland is a generation and transmission (G&T) cooperative providing wholesale electrical requirements for 24 distribution cooperatives and 27 municipal utilities. These cooperatives and municipals, in turn, supply the energy needs of members and customers in a four-state area.

Dallas Plumbing Company is a family-owned commercial and residential HVAC and plumbing company based in Dallas, Texas since 1903. They have sold, installed, maintained and repaired thousands of air conditioning systems across the Dallas area.

Danaher Corporation is a global science and technology innovator committed to helping customers solve complex challenges and improve quality of life around the world.

Dandelion is a home geothermal company offering affordable geothermal installations that provide heating, cooling, and hot water to homes by exchanging heat with the ground beneath them. Dandelion became an independent company in Spring 2017, after getting started at X, "the innovation engine of Alphabet."

Products and services offered by Danfoss are used in areas such as refrigeration, air conditioning, heating, motor control and mobile machinery. They are also active in the field of renewable energy as well as district heating infrastructure for cities and urban communities. Danfoss specializes in compressors & controls, solar inverters, engineering, technology, frequency converters, industrial automation, innovation, energy efficiency, etc.