| Chartis Group | US | — | 1 |
| Chase Affiliated Companies | US | — | 1 |
| Chatham Asset Management | US | — | 2 |
| Chatsworth Products, Inc. | US | — | 2 |
| Chattanooga State Community College | US | — | 1 |
| Check City | US | — | 2 |
| Checkers Drive in Restaurants | US | — | 1 |
| Checkers Drive-In Restaurants, Inc. (“Checkers”) | US | — | 1 |
| Cheddar’s Casual Café, Inc. d/b/a Cheddar’s Scratch Kitchen | US | — | 1 |
| Cheddar's Scratch Kitchen | US | — | 1 |
| Cheddar's Scratch Kitchen (a concept acquired by Darden Restaurants in 2017) | US | — | 1 |
| Chefs' Toys, LLC | US | — | 2 |
| Chegg, Inc. | US | Education | 3 |
| Chelan Douglas Health District | US | — | 1 |
| Chemeketa Community College | US | — | 1 |
| Chemical and Industrial Engineering | US | — | 1 |
| Chemical Services Group, Inc. | US | — | 2 |
| Chemonics International, Inc. | US | — | 2 |
| Chemstation International Inc. | US | — | 2 |
| Cherry Bekaert Advisory LLC | US | — | 1 |
| Cherry Bekaert LLP | US | — | 1 |
| Cherry Street Services, Inc. | US | Healthcare | 2 |
| Cherrydale Fundraising | US | — | 2 |
| Chesapeake Bank of Maryland | US | — | 1 |
| Chesapeake Sprinkler Company | US | — | 1 |
| Cheshire Academy | US | — | 1 |
| Cheshire Adult Care Inc. d/b/a | US | — | 1 |
| Chess.com LLC | US | — | 1 |
| Chester County Library System | US | — | 1 |
| Chester County Probation/Parole and Pretrial Services | US | — | 1 |
| Chester Upland School District | US | — | 1 |
| Chestnut Hill Realty | US | — | 1 |
| Chevron Federal Credit Union | US | — | 1 |
| Chevron Federal Credit Union ("CFCU") | US | — | 1 |
| Chevy Chase Club | US | — | 2 |
| CHI Franciscan Health- Hospice Tacoma | US | — | 1 |
| CHI St. Luke's Health Memorial | US | — | 1 |
| Chicago District Golf Association | US | — | 1 |
| Chicago Family Health Center | US | Healthcare | 1 |
| Chicago Firefighters Credit Union | US | — | 1 |
| Chicago Trading Company | US | — | 1 |
| Chicano Federation of San Diego County | US | — | 1 |
| Chick-fil-A, Inc. | US | — | 4 |
| Chickasaw Nation Department of Health | US | Healthcare | 1 |
| Chico's FAS, Inc. | US | — | 1 |
| Chief Constable Commissioner for the Metropolis/ Metropolitan Police Service (MPS) | GB | — | 1 |
| Chief Constable West Mercia Police and Chief Constable Warwickshire Police | GB | — | 1 |
| Chief Leschi Schools | US | — | 1 |
| Chief River Nursery | US | — | 1 |
| Chiesi USA, Inc. | US | — | 1 |
| Child Care Circuit | US | — | 1 |
| Child Care Resource Center | US | — | 1 |
| Child & Family Services, Inc. | US | — | 1 |
| Child & Family Services of the Upper Peninsula, Inc. | US | — | 1 |
| ChildNet Youth and Family Services, Inc. | US | — | 1 |
| Children of Fallen Patriots Foundation | US | — | 1 |
| Children's Bureau Inc. | US | — | 1 |
| Children's Cancer Association | US | — | 1 |
| Children’s Council of San Francisco | US | — | 2 |
| Children's Home Society of | US | — | 1 |
| Children's Home Society of Washington | US | — | 1 |
| Children¶s Hope Alliance | US | — | 1 |
| Children's Hospital Los Angeles | US | — | 2 |
| Children's Minnesota | US | — | 1 |
| Chimerix, Inc. | US | — | 1 |
| Chimienti & Associates | US | — | 2 |
| Chin & Curtis, LLP | US | — | 1 |
| Chino Valley Unified School District | US | — | 1 |
| Chinook Asia, LLC | US | — | 1 |
| Chiorini, Hunt & Jacobs | US | — | 1 |
| Chip 1 Exchange USA, Inc. | US | — | 1 |
| Chipola College | US | — | 1 |
| Chipotle | US | — | 1 |
| Chipotle Mexican Grill | US | — | 1 |
| Chipotle Mexican Grill, Inc. | US | Retail | 2 |
| Chippewa County Human Services | US | — | 1 |
| Chiropractique, Inc. | US | — | 1 |
| Choctaw Global, LLC | US | — | 1 |
| Choice Health Insurance, LLC | US | — | 1 |
| Choice Hotels International | US | — | 1 |
| Choice Hotels International Inc. | US | — | 2 |
| Chokshi, Mund & Raczkowski, | US | — | 1 |
| CHP 11-99 Foundation | US | — | 2 |
| CHRISTENSEN ACCOUNTANCY CORPORATION | US | — | 1 |
| Christensen O’Connor Johnson Kindness PLLC | US | — | 1 |
| Christian Academy School System | US | — | 1 |
| Christian Credit Union | US | — | 1 |
| Christian Dior Couture SAS | US | — | 1 |
| Christian Louboutin LLC | US | — | 1 |
| Christiana Spine Center, PA | US | — | 1 |
| Christianbook, LLC | US | — | 1 |
| Christie Business Holdings | US | — | 1 |
| Christie Business Holdings Company, P.C. | US | — | 1 |
| Christie’s Inc. | US | — | 1 |
| Christina Development Corporation | US | — | 1 |
| Christopherson Business Travel | US | — | 1 |
| Christy Sports LLC | US | — | 2 |
| ChronoTrack | US | — | 1 |
| CHSPSC, LLC | US | — | 2 |
| Chubb | US | Insurance | 1 |
| Churchill Claims Services, Inc. | US | — | 1 |
| Churchill Downs | US | — | 1 |
| Churchill Downs Technology Initiatives Company dba TwinSpires | US | — | 1 |
| Churchill Mortgage Corporation | US | — | 2 |
| Churchshield | US | — | 1 |
| CIBC Bank USA | US | — | 1 |
| CIBC National Trust Company | US | — | 1 |
| CIBT, Inc. | US | — | 2 |
| CIC Group, Inc. | US | — | 2 |
| CIC Wealth, LLC | US | — | 1 |
| Ciccone Family Chiropractic | US | — | 1 |
| Ciccone, Koseff & Company, P.C. | US | — | 1 |
| CiCi Enterprises | US | — | 2 |
| CICS Employment Services, Inc. | US | — | 1 |
| Cierant Corporation | US | Healthcare | 3 |
| Cigna Dental | US | — | 1 |
| Cincinnati Bell Inc. | US | — | 1 |
| Cincinnati Parks Foundation | US | — | 1 |
| Cincinnati State Technical | US | — | 1 |
| Cincinnati State Technical Community College | US | — | 1 |
| Cincinnati Test Systems, Inc | US | — | 1 |
| Cincinnatus Savings & Loan Co. | US | — | 1 |
| Cineplex Entertainment LP | US | — | 1 |
| Cinfed Federal Credit Union ("Cinfed") | US | — | 1 |
| CINQ CARE Inc. | US | — | 1 |
| Cintas Corporation | US | Manufacturing | 1 |
| Cintra Software & Services, Inc. | US | — | 1 |
| CIO Partners, Inc. | US | — | 1 |
| CION Investment Group, LLC | US | — | 1 |
| Ciox Health, LLC | US | — | 1 |
| Ciox Health LLC, d/b/a Datavant Group | US | Healthcare | 2 |
| Ciprinai & Werner, P.C. | US | — | 1 |
| Circle Federal Credit Union | US | — | 1 |
| CIRCLE FLOORS, INC. | US | — | 1 |
| Cirque du Soleil Canada Inc. | US | — | 1 |
| Cirrus Asset Management, Inc. | US | — | 1 |
| Cirtec Medical Corporation | US | — | 1 |
| CIS Group, LLC | US | — | 1 |
| CIS Secure Computing, Inc. | US | — | 1 |
| Cisco Systems, Inc. | US | Technology | 2 |
| Citadel of Northbrook | US | Healthcare | 1 |
| Citadel Servicing Corporation dba | US | — | 1 |
| Citadel Servicing Corporation dba Acra Lending | US | — | 1 |
| CITGO Petroleum Corporation | US | — | 3 |
| Citi | US | — | 1 |
| Citi Prepaid Services | US | — | 1 |
| Citi Private Bank | US | — | 1 |
| Citi Trends, Inc. | US | Retail | 2 |
| CitiBank | US | — | 2 |
| Citibank, N.A. | US | — | 15 |
| Cities Digital, Inc. | US | — | 1 |
| Citigroup Global Markets Inc. | US | — | 2 |
| Citizens Bank | US | — | 6 |
| Citizens Bank, N.A. | US | — | 4 |
| Citizens Bank of West Virginia | US | — | 1 |
| Citizens Financial Group | US | — | 6 |
| Citizens for Citizens, Inc. | US | — | 1 |
| Citizens & Northern Bank | US | — | 1 |
| Citizens Property Insurance Corp | US | — | 1 |
| Citrin Cooperman Advisors LLC | US | — | 2 |
| Citrix | US | — | 1 |
| Citrix Systems, Inc. | US | — | 1 |
| Citrus Connection | US | — | 1 |
| Citrus Valley Health Partners | US | — | 1 |
| City Abstract LLC | US | — | 1 |
| City College | US | — | 1 |
| City College of San Francisco | US | — | 3 |
| City Dental | US | — | 1 |
| City Enterprises LLC | US | — | 1 |
| City Facilities Management (US) LLC | US | — | 1 |
| City Furniture Inc. | US | — | 3 |
| City Harvest, Inc. | US | — | 1 |
| City Health, a medical corporation | US | — | 1 |
| City Ministries | US | — | 1 |
| City Mission of Schenectady | US | — | 1 |
| City National Bank of Florida | US | — | 1 |
| City of Ames | US | — | 1 |
| City of Athens, Ohio | US | — | 1 |
| City of Azusa Police Department | US | — | 1 |
| City of Bakersfield | US | — | 3 |
| City of Bedford, Texas | US | — | 2 |
| City of Bellingham (Bellingham Public Library) | US | — | 1 |
| City of Bend | US | — | 1 |
| City of Boston | US | — | 1 |
| City of Bridgeport, WV | US | — | 1 |
| City of Buffalo School District | US | — | 1 |
| City of Carthage, Texas | US | — | 1 |
| City of Cedar Falls | US | — | 1 |
| City of Cedar Falls, Iowa | US | — | 1 |
| City of Charlottesville | US | — | 1 |
| City of Chula Vista | US | — | 1 |
| City of Clarksville, Tennessee | US | — | 1 |
| City of Clemson South Carolina | US | — | 1 |
| City of Coon Rapids, Minnesota | US | — | 1 |
| City of Coppell | US | — | 1 |
| City Of Eagle River | US | — | 1 |
| City of El Cerrito, California | US | — | 1 |
| City of Ellensburg, Washington | US | — | 1 |
| City of Encinitas 7 San Dieguito Water District | US | — | 1 |
| City of Foster City | US | — | 1 |