Other
- Union Carbide Corporation, a chemical and polymer company, responsible for the Bhopal disaster in 1984.
- Ueshima Coffee Company, a Japanese coffee & beverage manufacturing company
- Uganda Communications Commission, the regulator of the communications industry in Uganda
- Undepreciated Capital Cost, an account containing the original value of different classes of assets minus the accrued Capital Cost Allowance for Canadian tax purposes
- Unified Combatant Command, a United States joint military command
- Unified Communications Certificate
- Uniform Code Council, former name of GS1 US
- Unique Country Code
- Unified Code Count, a code counting and differencing tool that unifies the source counting capabilities of the previous CodeCount tools and source differencing capabilities of the Difftool.
- Unitary coupled cluster, a kind of coupled cluster in computational chemistry.
- Universal Combat Challenge, former Canadian professional mixed martial arts (MMA) organization
- University Computing Company, the former name of Uccel
- University Cottage Club, an eating club of Princeton University.
- Unlock CPU Core, a technology in ASRock motherboards
- Urban Cookie Collective, a British techno and house band
- Urothelial cell carcinoma
- User-created content (User-generated content), a Web 2.0 component
- Universal Communications Core, Ensigma UCCP IP platform
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