• TCB (TV program), a 1968 Motown television special
• TCB Band
  TCB Band
  The TCB Band was a group of professional musicians who formed the core rhythm section of Elvis Presley’s band from August 1969 until his death in 1977. TCB stands for Taking Care of Business, a personal motto Presley adopted in the early 1970s...
  
  , Elvis Presley's band
• TCB, an acronym for "taking care of business", used in the Seinfeld episode "The Bizarro Jerry
  The Bizarro Jerry
  "The Bizarro Jerry" is the 137th episode of the American television sitcom Seinfeld. This was the third episode for the eighth season. It was originally broadcast on the NBC network on October 3, 1996. The title and plot extensively reference the Bizarro and Bizarro-Earth concepts that originally...
  
  "

Organizations

• TCF Financial Corporation
  TCF Financial Corporation
  TCF Financial Corporation is a bank holding company based in Wayzata, Minnesota, USA, employing more than 7,300 people. The holding company consists of several wholly owned subsidiaries including its principal subsidiary, TCF Bank, a nationally chartered bank. In the third quarter of 2010, the...
  
  , a New York Stock Exchange symbol
• The Conference Board
  The Conference Board
  The Conference Board, Inc. is a non-profit, non-partisan business membership and research group. It has approximately 12,000 executives in its network, from 1200 corporations in 60 countries. It holds conferences, convenes executives, conducts economic and business management research, and is seen...
  
  , a non-profit global business organization and supported by business executives
• Touring Club Belgium
  Touring Club Belgium
  Touring Club Belgium is a motoring organisation providing roadside assistance, insurance, medical insurance and legal support throughout Belgium...
  
  , a motoring organization in Belgium
• Transportes Charter do Brasil
  Transportes Charter do Brasil
  Transportes Charter do Brasil is a cargo airline based in São Paulo, Brazil. It was established in 1994 and operates charter cargo services throughout the Americas. Its main base is Viracopos International Airport, São Paulo.-Fleet:...
  
  , a defunct Brazilian cargo airline

Science & technology

• Barycentric Coordinate Time
  Barycentric Coordinate Time
  Barycentric Coordinate Time is a coordinate time standard intended to be used as the independent variable of time for all calculations pertaining to orbits of planets, asteroids, comets, and interplanetary spacecraft in the Solar system...
  
   (from the French temps-coordonnée barycentrique), a coordinate time standard in the Solar system
• Task Control Block
  Task Control Block
  The Task Control Block is an instance of a Process control block in an IBM System/360 architecture and successors operating system environment....
  
  , an instance of a process control block within IBM OS/360 and successor systems
• Trichlorobenzene
  Trichlorobenzene
  Trichlorobenzene may refer to any of three isomeric chlorinated derivatives of benzene with the molecular formula C6H3Cl3:* 1,2,3-Trichlorobenzene* 1,2,4-Trichlorobenzene* 1,3,5-Trichlorobenzene...
  
  , an organic chemical
• Trusted computing base
  Trusted computing base
  The trusted computing base of a computer system is the set of all hardware, firmware, and/or software components that are critical to its security, in the sense that bugs or vulnerabilities occurring inside the TCB might jeopardize the security properties of the entire system...
  
  , a set of all computer components critical to its security