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PTC may refer to:

In education:

  • Parent-teacher conference
  • Pilot Training College, for commercial pilot training
  • Police Training Centre, Bangladesh
  • Portage Trail Conference, an association of public schools in Ohio, US
  • Pacific Theological College, theological college in Fiji
  • Presbyterian Theological College, Victoria, Australia
  • RAF Personnel and Training Command, 1994–2007
  • Pittsburgh Technical College, 2-year college in Pittsburgh, PA, US

In U.S. Healthcare

  • Premium Tax Credit, Affordable Care Act provision

In organizations:

  • Pakistan Telecommunication Company Ltd, KSE code
  • Pakistan Tobacco Company
  • PTC, Inc., formerly Parametric Technology Corp., Massachusetts, US software company
  • Parents Television Council, a U.S. based advocacy group
  • Party of Labour of Catalonia (Partit del Treball de Catalunya), a communist party in Catalonia, Spain
  • Pennsylvania Turnpike Commission, US
  • Philadelphia Toboggan Company, US roller coaster manufacturer
  • Philadelphia Transportation Company, US, 1940–1968
  • Philmont Training Center of the Boy Scouts of America
  • Pioneer Theatre Company, Utah, US
  • Polska Telefonia Cyfrowa, formal name of T-Mobile (Poland)
  • PTC Punjabi, India, television network
    • PTC Punjabi (Canada)
  • Public Services, Tax and Commerce Union, UK, 1996–1998
  • Radio Television of Serbia (Радио-телевизија Србије), public broadcaster in Serbia

In science:

  • papillary thyroid cancer, the most common type of thyroid cancer
  • Idiopathic intracranial hypertension or pseudotumor cerebri
  • Percutaneous transhepatic cholangiography, X-ray technique for biliary tract
  • Phase-transfer catalyst, that facilitates interphase migration
  • Phenylthiocarbamide, an organosulfur thiourea
  • Positive temperature coefficient, of materials which increase resistance with temperature
  • Polytrimethylene carbonate, a derivative of trimethylene carbonate
  • Patched, a protein receptor
  • Resettable fuse, or a polymeric positive temperature coefficient device


  • Paid To Click, payment for viewing advertisements
  • Pass-Through Certificates, evidence of ownership of multiple Equipment Trust Certificates
  • Piece to camera, spoken directly to a film or TV camera.
  • Players Tour Championship, in snooker
  • Positive train control, for rail safety
  • Production tax credit, US, for renewable energy production
PTC (software company)

PTC, Inc. (formerly Parametric Technology Corporation) is a U.S.-based computer software company specializing in 2D & 3D design software, product lifecycle management (PLM), and service management solutions. Its core product lines are PTC Creo ( computer-aided design), PTC Windchill (product lifecycle management), PTC Mathcad (engineering calculation), PTC Integrity ( application lifecycle management), PTC Servigistics (service lifecycle management), and PTC Arbortext ( technical documentation).