Arts and entertainment
Television
* Chinese Television System, a Taiwanese broadcast television station, including: ** CTS Main Channel () ** CTS Education and Culture () ** CTS Recreation () ** CTS News and Info () (on Chunghwa Telecom MOD only) * Christian Television System, in South Korea * Crossroads Television System, in Canada * '' The Catherine Tate Show'', a British television program * Channel 44 (Adelaide), in Australia, which uses the call-sign CTS33 * Country Television Services, AustraliaBusinesses
* Car Top Systems, a supplier of automotive convertible tops * China Travel Service, the tourism and travel agency of China, parent company renamed China Tourism Group in 2020. * Cognizant Technology Solutions, a US-based information technology services company * Compagnie des Transports Strasbourgeois, a public transport company based in Strasbourg, France * Connexxion Taxi Services, a division of Connexxion, a large public transport company in the Netherlands * Colorado Time Systems, a US-based company providing aquatic timing servicesEducational institutions
Seminaries
* Chicago Theological Seminary, affiliated with the United Church of Christ, in Chicago, Illinois * Christian Theological Seminary, affiliated with the Disciples of Christ, in Indianapolis, Indiana * Concordia Theological Seminary, affiliated with the Missouri Synod of the Lutheran Church, in Fort Wayne, Indiana * Columbia Theological Seminary, affiliated with the Presbyterian Church, in Decatur, GeorgiaOther educational institutions
* College of Technological Sciences–Cebu, Cebu City, Philippines * The Calcutta Technical School, West Bengal, IndiaScience and technology
Computing and telecommunications
* Ciphertext stealing in cryptography * Clear to send (disambiguation) control signal * Common Type System, a common set of types in the .NET Framework * Hermes Communications Technology Satellite, a Canadian communications satellite launched in 1976 * Computational transportation science, an interdisciplinary field addressing the modeling, planning, and economics of transportationMedicine
* Carpal tunnel syndrome, a medical condition causing pain in parts of the hand * Cracked tooth syndrome, a medical condition in which a posterior tooth has developed a crack * Cubital tunnel syndrome, compression of the ulnar nerve at the elbow * Cathepsin, a class of enzymes * Cardiothoracic surgery, a field of medicine involved in surgical treatment of diseases affecting organs inside the thorax (chest)Other uses in science and technology
* CTS (rocket stage), a Chinese solid-fuel upper stage * Cadillac CTS, a luxury automobile made by Cadillac * Combat Training Squadron, look at List of United States Air Force training squadrons * Conflict Tactics Scale, a social survey instrument for the study of conflict in relationships * Copper Tube Size * Cattle Tracing System, administered by the British Cattle Movement Service * Pandan Bikol language, ISO 639-3 codeOther uses
* Cambridge Tolkien Society * Catholic Truth Society, an organisation that produces Catholic literature * Certificate in Theological Studies (CTS) at Divine Word Seminary * Combat Zones That See, a US defense project * Consider the Source, New York City based jam band * Counter Terrorism Service, an Iraqi security and intelligence agency tasked with counterterrorism * Cosmic Top Secret, the highest of four levels of NATO classified information * '' Crack the Skye'', an album by heavy metal band Mastodon * New Chitose Airport (IATA code) * The NASCAR Craftsman Truck Series {{disambiguation