- CoffeeMobileApp
- CoffeeMug: Jobs, Funding, More
- Cofounders
- CogCons
- Cognitrom Video
- COGO!
- Cohart: Discover Art Together
- COhatch App
- Cohort Company
- COHUTT
- Coin GoGo
- Coin Pet
- Coin Tycoon - Spins
- CoinTalkz
- Col. de la Santísima Trinidad
- Col. Hacienda Los Alcaparros
- Colab
- Coleg y Cymoedd
- Colegio Alvernia Bilingue
- Colegio Beth Shalom - Bogotá
- Colegio Bilingüe Richmond
- Colegio Cascatinha
- Colegio Colombo Gales
- Colegio de San Francisco
- Colegio Estudio
- Colegio Gimnasio del Norte
- Colegio Gran Bretaña
- Colegio Jordan de Sajonia
- Colegio Los Farallones
- Colegio Marymount
- Colegio Mayor de los Andes
- Colegio Nueva York
- Colegio San Mateo Apostol
- Colegio San Patricio de Bogotá
- Colegio Santa Inés
- Colegio Suizo Madrid
- Colegio Teresiano Envigado
- Colel Chabad Pushka
- Colgate Mobile
- Colgracia
- COLG玩家社区
- Colidée
- Colife
- Coligo LMS
- Colist
- Colive App
- Collab Shooting
- Collabor8 Influencer Marketing
- Collaborative Perks
- CollaborUP
- Collabosaurus
- Collabr - The Creative Network
- Collab Space: Influencer App
- CollaChat
- Collage Design Frames
- Collage Maker
- Collage Official
- Collageworks - collage photo editor
- Collapse! Blast
- COLLECLE
- collect! app
- Collectiv App
- Collective by The Litas
- Collective Minds
- Collective: gay friends, dates
- College Interactive
- College of Saint Mary - Omaha
- CollegeBook - College Market
- 콜리(Colley) - 나의 취향 공유 덕질 플랫폼