- Low ContinentalC.C. WeiChairman and CEO, TSMC
- Low National LevelC.S. VenkatakrishnanGroup Chief Executive, Barclays
- High National LevelCARIADAutomotive software subsidiary of Volkswagen Group developing in-vehicle operating systems and cloud architecture
- High GlobalCBS RecordsHistorical Record Label Group and Music Recording Division
- Low Town LevelCL 9Defunct consumer electronics manufacturer and universal remote pioneer
- Mid State LevelCadillacLuxury Automotive Division of General Motors
- Mid National LevelCai QiDirector, General Office of the Communist Party of China
- Mid National LevelCal HendersonCo-Founder & Former Chief Technology Officer of Slack
- Low National LevelCalvin ButlerPresident and CEO, Exelon
- Top ContinentalCambridge University PressUniversity press of the University of Cambridge and non‑profit publisher
- High National LevelCapitalGGrowth equity fund under Alphabet Inc.
- Mid National LevelCarl G. FisherAutomotive Industry Pioneer and Real Estate Developer
- High State LevelCarl HeastieSpeaker of the New York State Assembly
- Mid National LevelCarlo MessinaCEO, Intesa Sanpaolo
- Mid City LevelCarlos MoedasMayor of Lisbon
- Mid ContinentalCarlos SlimChairman, Grupo Carso; Honorary Chairman, América Móvil
- High National LevelCarsten KnobelCEO, Henkel
- Top GlobalCascade Asset Management CompanyInvestment firm and family office managing assets for Bill Gates and the Bill & Melinda Gates Foundation Trust
- Mid ContinentalCerner CorporationElectronic health record software and healthcare IT systems provider
- Top State LevelChadchart SittipuntGovernor of Bangkok
- Mid State LevelChampaklal DamaniCo-founder of Reliance Commercial Corporation and early business partner of Dhirubhai Ambani
- Low Town LevelChaprak PrakashanMarathi book publisher and media house
- Low City LevelCharles F. ErhartCo-founder of Chas. Pfizer & Co. Inc.
- Top National LevelCheil IndustriesFormer textile, fashion, chemical, and electronic materials affiliate of Samsung Group
- GlobalCheng WeiFounder and CEO of Didi Chuxing
- Top ContinentalChevroletFlagship automobile manufacturing division of General Motors
- Low ContinentalChey Tae-wonChairman, SK Group; Chairman, Korea Chamber of Commerce and Industry
- High State LevelChiang Wan-anMayor of Taipei
- Top National LevelChiranjeeviIndian actor, philanthropist, and former Union Minister of Tourism
- High ContinentalChris MalachowskyCofounder and Senior Vice President for Engineering and Operations at Nvidia
- High ContinentalChris StolteCo-Founder of Tableau Software & Co-Founder of Stolte Family Foundation
- Top National LevelChristian ChabotCo-Founder and Former CEO of Tableau Software
- Mid City LevelChristian SewingCEO of Deutsche Bank
- High National LevelChristian Social Union in BavariaChristian democratic political party in Bavaria, Germany
- Top ContinentalChristine LagardePresident of the European Central Bank
- Top ContinentalChuck RobbinsChair and CEO of Cisco Systems
- Mid ContinentalChung Eui-sunExecutive Chair, Hyundai Motor Group
- High ContinentalCiba Specialty ChemicalsSpecialty chemicals manufacturer and BASF subsidiary
- Mid GlobalCisco SystemsGlobal telecommunications, networking hardware, and cybersecurity conglomerate
- Top GlobalCitigroup Inc.American multinational investment bank and financial services holding company
- Top State LevelClara BrugadaHead of Government of Mexico City
- Top State LevelClaudia SheinbaumPresident of Mexico (66th)
- High ContinentalClay MagouyrkCo-Chief Executive Officer of Oracle Corporation
- Top National LevelCliff IlligCo-Founder of Cerner Corporation & Co-Owner of Sporting Kansas City
- High ContinentalCoinbase Global, Inc.Largest cryptocurrency exchange platform in the United States
- Mid GlobalColumbia RecordsFlagship American record label of Sony Music Entertainment
- ContinentalCommerzbank AGGerman multinational commercial bank
- Mid National LevelCommonwealth Fusion SystemsNuclear fusion technology developer and power company
- High GlobalCommonwealth of NationsInternational association of 56 member states
- High ContinentalCommunications Satellite CorporationPioneering satellite telecommunications corporation created by the U.S. Communications Satellite Act of 1962
- High Town LevelConsortium for Graduate Study in ManagementNonprofit graduate business education network for underrepresented minorities
- Top National LevelCouncil on Foreign RelationsNonpartisan foreign policy think tank and publisher of Foreign Affairs
- ContinentalCourt of Justice of the European UnionThe judicial branch of the European Union
- Mid ContinentalCox EnterprisesAmerican privately held conglomerate operating in telecommunications, automotive services, and media
- Low City LevelCruiseAutonomous vehicle technology developer and General Motors subsidiary