CentralByggarna was started in May 2003 and is today a company with 25-30 employees. They work here together and, in many cases, have 20 to 30 years of experience in the design and manufacture of electrical automation equipment.

Centralteknik was started in August 2014 and today has over 25 employees. They are a comprehensive supplier of power stations, distribution boards, switchgear, cable cabinets, apartment/media centers and meter blocks. They see themselves as a complete supplier of electricity distribution.

Centralverkstan is the comprehensive manufacturer and supplier of control cabinets, power stations, distributions, cable cabinets and switchgear.

Centrica is a renowned energy service and solutions provider founded on a 200-year heritage of serving people. They are the UK’s biggest retailer of zero-carbon electricity, serving around 10 million customers across the UK, Ireland, and Continental Europe through brands such as British Gas, supported by around 9,000 highly trained engineers and technicians.

Centum Electronics was founded in the year 1994 in Bangalore, India. It operates in North America, Asia, and EMEA. It has become a diversified electronics company. It is offering a wide range of products and services.

Ceres Power Holdings plc is a developer of low-cost, next-generation fuel cell technology. Used in decentralized energy products the SteelCell enables a change in the way businesses, homes and vehicles generate their power, reducing energy costs, lowering CO₂ emissions, increasing efficiency, and improving energy security and reliability.

Cetec is a complete Lego and appliance cabinet manufacturer. They provide everything from construction to products ready for delivery. Cetec has been part of the Elbogen Electric group.

As the first private Algerian company to have invested in a wide variety of business sectors, CEVITAL Group has passed significant historical milestones to achieve the size and recognition it enjoys today. With the support of its 18,000 employees located on three continents, it is the flagship of the Algerian economy, working continuously to create jobs and wealth.

CGN Europe Energy is headquartered in Paris. Its main business includes the development, investment, construction, operation and maintenance of wind power, solar energy and other renewable energy projects, with assets spread across France, the United Kingdom, Ireland, Belgium, the Netherlands, Sweden and Senegal.

CH Energy Group, Inc., a subsidiary of Fortis Inc., is predominantly an energy delivery company headquartered in Poughkeepsie, New York. Regulated transmission and distribution utility operations are provided through the subsidiary Central Hudson Gas & Electric Corporation (Central Hudson), serving approximately 309,000 electric and 84,000 natural gas customers in eight counties of New York State’s Mid-Hudson River Valley.

Challenge Electromechanical Works Company with Grade-A status, CEW is a quality business house in the UAE having wide business interest including Engineering Contracting activities in MEP Building Services.

Changsheng has been devoted to the design and production of circuit breakers for equipment protection. It is their objective to offer solutions for even the most demanding challenges for circuit overcurrent protection. They have thermal overload relays for motor, air conditioner, battery, dryer, washing machine, automobile, as well as almost any other electric instruments clients require.

Chartex is an on-line UK Publishing Company designing and publishing high quality wall charts & Maps for a wide range of sectors since 1985.

Cheil Electric Co Ltd is engaged in the business of electrical components and products. The company manufactures industrial circuit breakers, house circuit breakers, magnetic switches, wiring appliances, home panel board, and related products.

Cherry City Electric consistently delivers superior value. They offer the best warranty in the industry with three years on workmanship and two years on materials on all negotiated work.

Cherryland Electric Cooperative is a member-owned electric utility located in the Northwestern Lower Peninsula of Michigan in the beautiful Grand Traverse area.

Driven by the spirit of American ingenuity, Chevrolet is dedicated to challenging the limits of what's possible in automotive design and engineering today, tomorrow, and for years to come. In other words, Chevrolet is always on a quest to Find New Roads.

China Huaneng Group (CHNG) is mainly engaged in the following businesses: development, investment, construction, operation and management of power sources; production and sale of power and heat; development, investment, construction, production, and sale of businesses and products related to finance, coal, transportation, renewable energy, and environmental protection; industrial investment, operation and management.

China Shipbuilding Industry Trading Co., Ltd. (CSTC) was founded in 1982. Since its establishment, it has become a pioneer of China's shipbuilding industry to the world. CSTC has always been committed to flexible and diverse business models to meet the different needs of customers. They provide a wide range of products and services, the main business is: defense equipment; civil ships and marine engineering equipment; complete sets of equipment.

China XD Group Co., Ltd. is the largest production and manufacturing base with the most complete set ability in HV, EHV and UHV AC/DC transmission and distribution equipment and other electrical products in China. Also, it is one large enterprise group which integrate scientific research, development, manufacturing, trade and finance.

CHINT is a global provider of smart energy solutions. It is actively deploying “3+1” industrial sectors including smart electrics, green energy, industrial control and automation, smart home, and incubator, forming an integrated whole industry chain of “power generation, storage, transmission, substation, distribution, sales, and consumption”

Choctawhatchee Electric Cooperative, Inc., (CHELCO) is a MEMBER OWNED, not-for-profit electric distribution cooperative employing more than 168 people and serving more than 60,000 accounts in Walton, Okaloosa, Holmes, and Santa Rosa counties in the panhandle of Florida.

China Chongqing Shineray Agricultural Machinery Co., LTD. has gained immense expertise in supplying & trading of Gasoline generators from 0.8kw to 7kw, gasoline and diesel water pumps from 1.5" to 4", chemical etc. The supplier company is located in Chongqing, Chongqing and is one of the leading sellers of listed products.

Choptank Electric, a Touchstone Energy Cooperative, is a not-for-profit, member-owned, electric distribution co-op located on Maryland's Eastern Shore serving over 55,000 members.

Christenson Electric, Inc. operates as an electrical contractor in the Northwest. The company specializes in electrical engineering and contracting. It builds electrical infrastructures on construction projects for buildings, utility systems, hospitals, and high-tech facilities.

Chugach Electric Association is headquartered in Anchorage, Alaska's largest city. Anchorage itself sits at the base of the Chugach Mountains. The word "Chugach" comes from an Alaska Native name, which the Russians recorded as "Chugatz" or "Tchougatskoi." Chugach is Alaska's largest electric utility, providing power to over 92,000 members from Anchorage to the northern Kenai Peninsula & from Whittier to Tyonek.

Chugach Electric Association's corporate mission is to provide safe, reliable, and affordable electricity through superior service and sustainable practices, powering the lives of the members. Chugach is Alaska's largest electric utility, providing power to over 92,000 members from Anchorage to the northern Kenai Peninsula & from Whittier to Tyonek.

CHEM has been proven with outstanding achievements in the electric industry and power generating business. With current stable growth businesses in Power Equipment, Engineering, and Parking Management Service, CHEM is focused on three major business platforms, there are global power equipment business-Gas Insulated Switchgear(GIS), Manufacturing business ( includes Five-axis Gantry Type Machining Center), and Micro-Grid business.

Cimechel Electric Private Limited is in the process of execution of electrification works for a Railway siding for Rourkela Steel Plant (RSP) of Steel Authority of India Ltd. (SAIL). Construction of the Railway siding along with its electrification works is expected to enable RSP to cut down on freight and operational costs to the level of Rs. 60 Crores annually by allowing freight trains to reach, load and unload directly at the plant premises.

Cinergy Corporation is a utility holding company with ownership of three regulated utilities: (1) Cincinnati Gas & Electric Company, which has electric and gas utility operations in Ohio, (2) Union Light, Heat and Power Company, which provides electric and gas services in Kentucky and (3) PSI Energy, Inc., an electric utility operator in Indiana. Other subsidiaries include non-regulated wholesale energy operations.